420 



Index 



Crandall, Lee S. 



Notes on Costa Rican Birds, 325-343 

 Crandall, L. S., C. William Beebe and 



Specialization of Tail Down in cer- 

 tain Ducks, 249-252 



Juvenal Plumage of the Yucatan 

 Jay, 153-156 

 Crax fuscus me.vicanns (see "Hoat- 



zin") 

 Cresiciscus cinereiceps, 328 

 Crest 



Hoatzin, 52 

 Crocomorphus semicinnamomeus, 91,* 



91 

 Crossoptilon, 264, 274, 275 



auritum (Pallas), 275 



leucurum, 275, 276, 277 



tnantchuricum Swinoe, 275 



tibetaimm (Hodgson), 275, 276, 277 

 Crotalinae, 



fangs of, 206 



food of, 230 

 Crotalus, 3, 200 

 Crotalus adamanteus, 



feeding habits, 209 

 Crotalus horridus, 209 

 Crotophaga via j or, 88, 89 

 Crotophaga 'sulcirostris Swains, 333, 334 

 Cruentes, 189 



Blood Pheasant species, 189 

 Cuckoo, Four-winged, 88 



call of, 88 



Chapman quoted on call of, 88 



Lesser Rufous, 87 



Southern Black-billed, 87 



Venezuelan Rufous, 87 

 Cuculiformes, 87-89 



distribution, 

 Orinoco and New York, 111 

 Cuiejo, 331 



Curlew, Hudsonian, 74 

 Cnrucujus massena, 327, 332 

 Cyanerpes caeruleus caeruleus, 101, 102 



cyaneus, 101 

 Cyanocitta cristata, 154 

 Cyclophis aestivus, (fig. 92), 223* 



coloration of, 222 



food of, 223 

 Cypselidae, 



distribution, 

 Orinoco and New York, 111 



Dacnis, bicolor, 102 

 Dacnis cayana cayana, 102 

 Dalceridae, 137 



Dacypeltis scahra, 204, 223 



teeth of, 223 

 Davenport, Charles B. (Prof.) 



quoted on : 



mutation theory in animal evolu- 

 tion, 7 

 Deane, Ruthven 



quoted on : 



melanism, sporadic, 15 

 Deer, 327 



De Kay's Snake, (fig. 93), 223* 

 Delphinidae, 293 

 Delphinus, 69, 293 



delphis, 292 

 Dcndrobates Kirki, 91 

 Dendrobates typographus typographus. 



328 

 Dendrocolaptidce, 93, 94, 327 



Orinoco group. 112 

 Dendrocygna viduata, 78 

 Dcndrornis obsoleta notata, 94 

 Dendrophis, 217, 220 

 Dendrornis susurans susurans, 93 

 Diadophis, 221 



food of, 221 

 Diamond-Back Rattlesnake, 



feeding habits, 209 

 Diardigallus, 304 

 Diardigallus vs. Lophura, 272 

 Dichocrocopsis (new genus), 133 

 Dichocrocopsis maculiferalis, (new spe- 

 cies, 133,* 133, 134 

 Dichromatism, 9-15 

 Didelphys, 69, 327 

 Diemcnia, 



food of, 226 

 Digestive system, 



primates, 



diseases, 182-186 

 Diplectana, 396 

 Diplectanum, 396, 397 



aculeatum, 397 



aequans, 397 



batistes (fig. 135), 402,* 402, 403 



echeneis, 397 



lactophrys (fig. 133), 399,* 399-402 

 genital apparatus, 400, 401 



longipkallus, (fig. 136), 403.* 403-405 

 genital apparatus, 404, 405 



pedatum, 397 



'sciaena, 397 



teuthis, 397, 398 (fig. 132), 398* 

 genital apparatus, 398, 399 

 Dipsadormorphinae, 200, 202 



food of, 225 

 Dipsadomorphus, 



food of, 225 



