Index 



419 



Cobra, 



Egyptian, (fig. 82), 207* 

 feeding habits, 207 

 Indo-Malayan, 

 food of, 226 

 Coccyges melanocoryphus, 87 

 Coelogenys paca, 327 

 Correba luteola, 102 

 Coerebidae, 101, 102 



Orinoco group, 112 

 Cockerell, T. D. A. (Prof.) 

 quoted on : 



climatic effect upon coloring of plu- 

 mage, 5 

 Colimts, 



climatic effect upon, 3-5, 8, 9 

 Colopteryx galeatus, 96 

 Coloration 

 climate effect upon plumage, 3 

 correlation with organic selection, 37, 



38 

 correlation with taxonomy, 36, 37 

 Ibis, White, 246-248 

 plumage, 



effect of suppressing moult, 256, 

 257 

 protective, 



Arctic animals, 34 

 Hoatzin, 52 

 seals, elephant, 163, 164, 173 

 Colpocephalum armiferutn (new), 118,* 



119 

 Colpocephalum spineum, 118 

 Colpocephalum spinulosum, 118 

 Coluber, 220 

 Black, 220 



food of, 220 

 food of, 217, 220 

 Four-Lined, 



food of, 220 

 Gray, (fig. 75), 197* 



food of, 220 

 guttatus, (fig. 77), 198* 



food of, 220 

 obsoletiis, 



food of, 220 

 obsoletus confinus, (fig. 75), 197* 



food of, 220 

 obsoletiis quadrivittatus, 

 food of, 220 

 Colubridae, 201 



feeding methods, 199, 200 

 food of, 214 

 Opisthoglypha, 206 

 Proteroglypha, 206 

 Columbiformes, (order), 73 

 distribution, 

 Orinoco and New York, 111 



genera of, 33 

 Columbula 



metallic coloring of, 29 

 Colymbiformes 



New York group, 112 

 Conopophagidae, 



Orinoco group, 112 

 Constrictors, 199, 201, 202, 203 



dentition of, 205 



Pituophis, 220 



Pituophis sayi, 220, (fig. 220* 

 Conurus, 



aeruginosus, 82, 83 



Aztec, 326 



finschi, 326 

 "Copeton" (see "Helmeted Pygmy Fly- 

 catcher") 

 Copperhead snake, 209 

 Coraciiformes, 84-87 

 Coral Snake, 



feeding habits, 207 

 Corallus, 205 



food of, 214 

 Corallus cooki, 



skull of, (fig. 86), 214* 



teeth of, (fig. 86), 214 

 Cormorants, 



parasites from, 118 



South American, 78 

 Corn Snake, 198* 

 CoroKella, 221 



eggs of, 221 



food of, 222 

 Corvidae, 



distribution, 

 Orinoco and New York, 111 

 Corvus, 



coloration, protective, 34 

 Cossidae, 138 

 Cgtingidce, 94, 327 

 Cossula arpi Schlaus, 138 

 Costa Rica, 



birds of, 325-343 



ecological conditions, 325 



jungle, 



birds of, 327 



mammals of, 327 



potreres, 



birds of the, 326-327 



snakes of, 327 

 Cotinga, Snowy, 334 

 Cotingidce, 94, 327 



Orinoco group, 112 

 Coturnix, 263 

 Coues, Elliot, 



quoted on : 



robins, melanism of, 16 



