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NEW YORK STATE MUSEUM 



limb, 75-81; osteological char- 

 acters, recapitulation, 81-83; 

 compared with Ictinia, Elan- 

 oides and Elanus, 83-91; meas- 

 urements, 88, 93 ; compared 

 with Accipiter cooperi, 92-93 ; 

 compared with Buteo lineatus, 



94-95- 

 jardini, 67, 72. 

 Clangula, 249, 261, 262, 270, 272, 

 274, 275, 278, 281, 283, 284, 285, 

 2S6, 288, 289, 291, 295, 302, 306, 

 3°S,335. 

 islandica, 270, 271, 279, 285, 294, 

 312, 338; figures, 278, 279, 280, 

 295, 298, 304, 305. 

 clangula, Anas, 298. 

 clivus, Lorornis, 336. 

 clypeata, Spatula, see Spatula cly- 



peata. 

 Cnemiornis, 336. 

 calcitrans, 336, 337. 

 gracilis, 336. 

 minor, 336. 

 Cnemiornithidae, 251,252. 

 Coale, H. K., acknowledgments to, 



213. 

 Coccyges, 345-57; table of vertebrae 



and ribs in, 350. 

 Coccygiform.es, 345. 

 Coccygomorphae, 172. 

 Coccystes, 346, 349, 350, 351, 352, 

 355- 

 glandarius, 345-57: skull, 346-52; 

 figure, 348; axial skeleton, 349- 

 52; appendicular skeleton, 352- 

 57- 

 Coccyzus, 346, 347. 349, 350. 



americanus, 346. 

 Cochins, 180, 185, 192. 

 Cockerell, T. D. A., acknowledg- 

 ments to, 9. 

 colchicus, Phasianus, see Phasianus 



colchicus. 

 Coliformes, 345. 

 Colinus, 170, 199. 



virginianus, 197-98; explanation 

 of plate, 236. 

 texanus, 197. 

 collaris, Marila, 295. 



columbarius, Falco, see Falco colum- 



barius. 

 columbianus, Olor, see Olor colum- 



bianus. 

 Columbiformes, 171, 339. 

 condoni, Anser, 335. 

 Condor, 8, 11, 12, 14, 15 26, ^^, 38, 

 43- 44, 45, 46, 47- 

 Cahfornian, 20, 22, 140. 

 South American, 19, 21, 28, 47, 

 140. 

 cooperi. Accipiter, see Accipiter 



cooperi. 

 Cope, E. D., cited, 172. 

 Coracornithes, 171. 

 Cormorants, 228. 

 cornuta, Tadorna, 306, 307. 

 Corvidae, 102. 

 Coturnix, 198, 199. 



dactylisonans, 173, 198. 

 Coues, Dr Elliott, cited, 7, 75, 106, 



172, 251, 254, 298, 307. 

 Craces, 169. 

 Cracidae, 169, 170, 171, 172, 226, 



229. 

 Crax, 226, 230. 



globicera, 171, 229; explanation of 



plates, 241, 242. 

 panamensis, 233. 

 cristata, Penelope, 226. 

 cristatus, Opisthocomis, 172. 

 Crocrodilia, 27. 

 Crotophaga, 350, 351, 356. 

 Crow, carrion, 12, 17, 34, 44, 46. 

 Crypt uri, 171. 

 Crypturidae. 171. 

 Crypturiformes, 171. 

 Cuckoo, 250, 345-57- 

 great spotted, 345-5?- 

 ground, 356. 

 tree, 346. 

 yellow-billed, 346. 

 Cuculi, 346. 



Cuculidae, 345, 346, 348. 

 Cuculinae, 346, 349. 

 cucullatus, Lophodytes, 257, 262, 



269, 270, 336. 

 Cuculus.. 346, 347, 349, 35 l < 35 2 > 353- 



