This legendary creature's name yinglong combines 4th-tone yìng 應 "respond; correspond; answer; reply; agree; comply; consent; promise; adapt; apply" and lóng 龍 "Chinese dragon". Although the former character is also pronounced 1st-tone yīng 應 "should; ought to; need to; proper; suitable", yinglong 應龍 definitively means "responsive dragon; responding dragon" and not "proper dragon".
Chinese classic texts frequently mention yinglong 應龍 "a winged rain-dragon" in myths about the Three Sovereigns and Five Emperors, especially the Yellow Emperor (though translated as this, Huang-Di in general does not mean yellow emperor) and his alleged descendent King Yu. The examples below, limited to books with English translations, are roughly arranged in chronological order, although some heterogeneous texts have uncertain dates of composition.
The (3rd-2nd centuries BCE) Chuci "Songs of Chu" mentions Yinglong helping King Yu 禹, the legendary founder of the Xia Dynasty, to control the mythic Great Deluge. According to Chinese folklore, King Yao 堯 assigned Yu's father Gun 鯀, who was supposedly a descendent of the Yellow Emperor, to control massive flooding, but he failed. Yao's successor King Shun 舜 had Gun executed and his body exposed, but when Gun's corpse did not decompose, it was cut open and Yu was born by parthenogenesis. Shun appointed Yu to control the floods, and after succeeding through diligently constructing canals, Yu divided ancient China into the Jiuzhou or Nine Provinces.
The Tianwen "Heavenly Questions" section (3, 天問) asks about Yinglong, in context with Zhulong 燭龍 "Torch Dragon". Tianwen, which Hawkes 1985:38, 126) characterizes as "a shamanistic (?) catechism consisting of questions about cosmological, astronomical, mythological and historical matters", and "is written in an archaic language to be found nowhere else in the Chu anthology" excepting "one or two short passages" in the Li Sao section.
When Lord Gun brought forth Yu from his belly, how was he transformed? Yu inherited the same tradition and carried on the work of his father. If he continued the work already begun, in what way was his plan a different one? How did he fill the flood waters up where they were most deep? How did he set bounds to the Nine Lands? What did the winged dragon trace on the ground? Where did the seas and rivers flow? (tr. Hawkes 1985:128)
The (early 2nd century CE) Chuci commentary of Wang Yi 王逸 answers that Yinglong drew lines on the ground to show Yu where to dig drainage and irrigation canals.
The (ca. 4th century BCE-1st century CE) Shanhaijing 山海經 "Classic of Mountains and Seas" records variant Yinglong myths in two chapters of "The Classic of the Great Wilderness" section. The "Responding Dragon" is connected with two deities who rebelled against the Yellow Emperor: the war-god and rain-god Chi You 蚩尤 "Jest Much" and the drought-demon Kua Fu 夸父 "Boast Father".
"The Classic of the Great Wilderness: The East" (14, 大荒東經) mentions Yinglong killing both Chi You "Jest Much" and Kua Fu "Boast Father", and describes using Yinglong images in sympathetic magic for rainmaking.
At the northeast corner of the Great Wilderness there is a mountain. Its name is [凶犁土丘] Mount Haplessplough-soilmound. Responding Dragon lives at the South Pole. He killed the gods Jest Much and Boast Father. But then Responding Dragon could not go back up to the sky. That is why down on earth there are so many droughts. When there is a drought, people make an image of Responding Dragon, and they receive a heavy rainfall. (tr. Birrell 2000:162)
Guo Pu's (early 4th century CE) commentary (tr. Visser 1913:114) mentions tulong 土龍 "earth/clay dragon", "The earthen dragons of the present day find their origin in this."
"The Classic of the Great Wilderness: The North" (17, 大荒北經) mentions Yinglong in two myths about killing Kua Fu "Boast Father". The first version says Yinglong killed him in punishment for drinking rivers and creating droughts while chasing the sun.
In the middle of the Great Wilderness there is a mountain. Its name is [成都載天] Mount Successcity-carriesthesky. There is someone on this mountain. His ear ornaments are two yellow snakes, and he is holding two yellow snakes. His name is Boast Father. Sovereign Earth gave birth to Faith. Faith gave birth to Boast Father. Boast Father's strength knew no bounds. He longed to race against the light of the sun. He caught up with it at Ape Valley. He scooped some water from the great River to drink, but it wasn't enough. He ran towards Big Marsh, but just before he reached it, he died here by this mountain. Responding Dragon had already killed Jest Much, and now he also killed Boast Father. Then Responding Dragon left for the southern region and settled there. That is why there is so much rain in the southern region. (tr. Birrell 2000:185-6, cf. Schiffeler 1978:124)
The second mythic version says the Yellow Emperor's daughter Ba 魃 "Droughtghoul" killed Chi You "Jest Much" after Yinglong failed. Ba is a drought-demon analogous with Kua Fu.
… Here is [係昆之山] Mount Constantoffspring. This is where the Terrace of Common Work is situated. Bowmen do not dare to face in its direction. There is someone on this mountain wearing green clothes. Her name is Droughtghoul, daughter of the great god Yellow. The god Jest Much invented weapons. He attacked the great god Yellow. The great god Yellow then ordered Responding Dragon to do battle with Jest Much in the Wilderness of Hopeisland. Responding Dragon hoarded up all the water. But the god Jest Much asked the Lord of the Winds and the Leader of the Rains to let loose strong winds and heavy rain. So the great god Yellow sent down his sky daughter called Droughtghoul and the rain stopped. Then she killed Jest Much. Droughtghoul could not get back up to the sky. The place where she lives on earth never has rain. (tr. Birrell 2000:186-7)
Based on textual history of Yinglong, Chi You, Kua Fu, and related legends, Bernhard Karlgren (1946:284-5) concludes that "all these nature myths are purely Han-time lore, and there is no trace of them in pre-Han sources", with two exceptions. Ba, who is "a very old folk-lore figure", already occurs in the c. Spring and Autumn period Shijing (258), and Yinglong, "who directed the flow of rivers and seas", occurs in the c. Warring States period Tianwen (above).
The (2nd century BCE) Huainanzi uses Yinglong 應龍 in three chapters. Ying also occurs in ganying 感應 (lit. "sensation and response") "resonance; reaction; interaction; influence; induction", which Charles Le Blanc (1985:8-9) posits as the Huannanzi text's central and pivotal idea.
"Forms of Earth" (4, 墬形訓) explains how animal evolution originated through dragons, with Yinglong as the progenitor of quadrupeds. Carr (1990:107) notes this Responsive Dragon is usually pictured with four wings, perhaps paralleling four legs.
All creatures, winged, hairy, scaly and mailed, find their origin in the dragon. The yu-kia (羽嘉) produced the flying dragon, the flying dragon gave birth to the phoenixes, and after them the luan-niao (鸞鳥) and all birds, in general the winged beings, were born successively. The mao-tuh (毛犢, "hairy calf") produced the ying-lung (應龍), the ying-lung gave birth to the kien-ma (建馬), and afterwards the k'i-lin (麒麟) and all quadrupeds, in general the hairy beings, were born successively. … (tr. Visser 1913:65)
"Peering into the Obscure" (6, 覽冥訓) describes Fuxi and Nüwa being transported by yinglong 應龍 and qingqiu 青虯 "green qiu-dragons", while accompanied by baichi 白螭 "white chi-dragons" and benshe 奔蛇 "speeding snakes".
They rode the thunder chariot, using winged dragons as the inner pair and green dragons as the outer pair. They clasped the magic jade tablets and displayed their charts. Yellow clouds hung inter-woven (to form a coverlet over the chariot) and they (the whole retinue) were preceded by white serpents and followed by speeding snakes. (tr. Le Blanc 1985:161-2)
Gao Yu's (2nd century CE) Huainanzi commentary glosses yinglong 應龍 as a "winged dragon" and qiu 虯 as a "hornless dragon".
"The Art of Rulership" (9, 主術訓) parallels the yinglong with the tengshe 騰蛇 "soaring snake" dragon. "The t'eng snake springs up into the mist; the flying ying dragon ascends into the sky mounting the clouds; a monkey is nimble in the trees and a fish is agile in the water." Ames (1981:74) compares the Hanfeizi attribution of this yinglong and tengshe metaphor to the Legalist philosopher Shen Dao.
Shen Tzu said: "The flying dragon mounts the clouds and the t'eng snake wanders in the mists. But when the clouds dissipate and the mists clear, the dragon and the snake become the same as the earthworm and the large-winged black ant because they have lost that on which they ride. (tr. Ames 1981:176)
The (early 3rd century CE) Guangya dictionary (tr. Visser 1913:73) defines yinglong "winged dragon" as one of the principal dragons. "If a dragon has scales, he is called kiao-lung [蛟龍]; if wings, ying-lung (應龍); if a horn, k'iu-lung (虯龍); and if he has no horn, he is called ch'i-lung (螭龍)".
The (early 6th century CE) Shuyiji 述異記 "Records of Strange Things" (tr. Visser 1913:72) lists yinglong as a 1000-year-old dragon. "A water snake (水虺 shui hui) after five hundred years changes into a kiao (蛟), a kiao after a thousand years changes into a lung (龍), a lung after five hundred years changes into a kioh-lung (蛟龍, "horned dragon") and after a thousand years into a ying-lung (應龍)".
The Yinglong Responsive Dragon mythically relates with other Chinese flying dragons and rain deities such as the Tianlong Heavenly Dragon, Feilong Flying Dragon, Hong Rainbow Dragon, and Jiao Flood Dragon.
Visser (1913:83) mentions that texts like the Daoist Liexian Zhuan often record "flying dragons or ying-lung drawing the cars of gods or holy men." Besides the Huainanzi (above) mentioning a pair of yinglong pulling the chariot of Fuxi and Nüwa, analogous examples (Visser 1913:122-4) include legends of Huangdi ascending to heaven on a dragon (Shiji) and Yu riding a carriage drawn by two flying dragons (Bowuzhi). Carr (1990:106) compares pairs of Yinglong with motifs on Chinese bronzes showing two symmetrical dragons intertwined like Fuxi and Nüwa.
Porter (1996:44-45) interprets the tail of the terrestrial Yinglong, which "uses its tail to sketch on the land a map of channel-like formations whereby the floodwaters were allowed to drain", as the tail of the celestial dragon Scorpius, which is "situated precisely where the Milky Way splits into two branches". The (4th century CE) Shiyiji 拾遺記 (tr. Porter) retells the Yu flood-control myth in terms of the Four Symbols, namely, the Yellow Dragon or Azure Dragon and the Black Tortoise. "Yü exhausted his energy creating channels, diverting the waters and establishing mountains as the yellow dragon dragged its tail in front and the black turtle carried green-black mud (used to build the channels) in back."
"All traditions about Ying-lung are vague", writes Eberhard (1968:350-351). Although the legendary Yinglong dragon helped Yu to control floods, "Yü was frequently bothered by dragons", most notably the flood-deity Gong Gong's minister Xiang Liu 相柳, who "had a human face, but a snake body with nine heads." Eberhard cites Sun Jiayi's identification of Xiang Liu as an eel (manyu 鰻魚), which is important in flood myths of Taiwanese aborigines. According to early commentaries, Yinglong
who made the beds of rivers by waggling his tail in the muddy soil and thus helped Yü to regulate the flood, was a kind of eel, too. Hsiang-liu stopped the water with his body; Ying-lung with his tail made it run freely, just as Yü's father Kun stopped the water, while Yü made it run.
He cites legends describing Gun as "the naked one" and "dark fish"; both names that "fit quite well the eel." Eberhard concludes that Yinglong and the mythic elements about Yu "testify to the connection between Yü and the cultures of the south, which differ from Yü myths of the Ba culture". Carr (1990:106) cites Chen Mengjia's hypothesis, based on studies of Shang Dynasty oracle bones, that Yinglong was originally associated with the niqiu 泥鰍 "loach".
Yinglong representations were anciently used in rain-magic ceremonies, where Eberhard (1968:247-248) says, "the most important animal is always a dragon made of clay". Besides controlling rain and drought, the Yinglong Responsive Dragon did something else: "With his tail he drew lines in the earth and thus created the rivers … In other words, the dragon made the waterways – the most important thing for all cultivators of rice.
- Birrell, Anne, tr. 2000. The Classic of Mountains and Seas. Penguin.
- Carr, Michael. 1990. "Chinese Dragon Names", Linguistics of the Tibeto-Burman Area 13.2:87-189.
- Eberhard, Wolfram. 1968. The Local Cultures of South and East China. E. J. Brill.
- Groot, J.J.M. de. 1910. The Religious System of China 6. E. J. Brill.
- Hawkes, David, tr. 1985. The Songs of the South: An Anthology of Ancient Chinese Poems by Qu Yuan and Other Poets. Penguin.
- Karlgren, Bernhard. 1946. "Legends and Cults in Ancient China," Bulletin of the Museum of Far Eastern Antiquities 18:199-365.
- Major, John S. 1993. Heaven and Earth in Early Han Thought: Chapters Three, Four, and Five of the Huainanzi. SUNY Press.
- Porter, Deborah Lynn. 1996. From Deluge to Discourse: Myth, History, and the Generation of Chinese Fiction. SUNY.
- Schiffeler, John W. 1978. The Legendary Creatures of the Shan hai ching. Hwa Kang.
- Visser, Marinus Willern de. 1913. The Dragon in China and Japan. J. Müller.