viii FAUNA OF SOUTH CAROLINA. 
2. Family. Longipennes. Wings very long, flight powerful. Hind toe free or wanting. 
97. Thalassidroma Vig. 234. marinus Lin. Win. 
227. Wilsoni B Mother Carey’s |100. Léstris Ul. 
oad Seay on. ) Chicken. 235. parasiticus Lin. Win. 
98. Paffinus Bris. 101. Stérma Lin. 
228. cinéreus Lath. 236. anglica Monta Sum. 
229. obscirus Lath. Sum.| 237. hirtindo Lin. Sum. 
99. Larus Lin. 238. haveli Aud. Sum. 
230. Bonapartii Rich. Sum. | 239. nigra Lin. Sum. 
231. atricilla Lin. Sum. |} 240. minita Lin. Sum. 
232. zonorhyncus _— Rich. Win. |102. Rhyncops Lin. 
233. argentatus Brun. Win. | 241. nigra Lin. Shearwater Sum. 
3. Family. Totipalmate. Wings long; hind toe united to the others, by web. 
* 
103. Pelecénus Lin. 105. Stila Bris. 
242. americanus Aud.White Pelican Win.| 245. bassana Lin. Gannet 
243. fascus Lin. Brown Pelican Res. |106. Plotus Lin. 
104. 'Tachypetes Viel. 246. anhinga Lin. Cormorant. Sum. 
244. aquilus Lin. Sum. 
4. Family. Lamellirostres. Wings moderate ; bill thick, broad, denticulate on edges. 
107. Anzs Lin. 259. albéola Lin. Win. 
247. béschas Lin. Win. | 260. glacialis Lin. Win. 
248. obsciira Gm. Black Duck Win.| 261. rabida Wils. 
249. strépera Lin. 262. fiisca Lin. Win. 
250. americana Gm. Widgeon. Win.} 263. clangula Lin. Win. 
251. acita Lin. Win. |109. Cygnus Meyer 
252. sponsa Lin. Summer Duck Res. | 264. buccinator Rich. Sum. 
GRA eae Greenwinged Win.} 265. americanus Shar. Win. 
253. carolinénsis Steph. Teal 8 THOMA nGcE Ree: 
3 . Bluewinged Win.| 266. canadénsis Lin. Wild Goose Sum. 
Paes Lin, Peal 267. albifrons Bech. Win. 
255. clypeata Lin. 268. hyperbéreus Gm. Win. 
108. Fuligula Leach. 111. Mérgus Lin. 
256. valisnéria Wils. Canvassback Win.| 269. merganser Bin. Win. 
257. ferina Lin. 270. serrator Lin. 
258. americana Swa. Win. | 271. cucullatus Lin. Win. 
3. CLASS. REPTILES. 
Breathe by lungs, at least in the adult state, respiration simple. "Temperature variable, depending 
on that of surrounding medium, cold blooded. Circulation incomplete, all the blood in the heart 
not passing through the lings before entering the arterial system; heart generally with three 
cavities, one ventricle and two auricles. Vertebree generally concave anteriorly, posteriorly in some 
concave, im others, Ophidia and Sauria, with a hemispherical head for articulating with posterior 
one. Occipital bone with a single condyle, or none. Body naked or clothed with scales of a 
greater or less degree of hardness. 
I. ORDER. CHELONIA. 
Body protected by a solid covering, formed above by the coalescence of the ribs with each other 
and with the dorsal vertebra, beneath by the enlargement of the sternum. ‘Teeth none. Limbs 
four. 
