352 



CALIFORNIA ACADEMY OF SCIENCES. 



Cunningham, criticism of pammixis, 

 23; consequences of dispensing 

 with inheritance of acquired char- 

 acters, 27; on natural selection, 28; 

 criticism of Weismann's observa- 

 tion on feet of Chinese ladies, 31; 

 environment discussed by, 37; ex- 

 periments on effect of light on pig- 

 mentation, 230. 



Cupidonia 236 



Cusp growth, Osborn on, as evidence 

 of the inheritance of acquired 

 characters, 47. 



Cyanecula 335 



Cyanocephalus 215 



cyanocephalus 168, 289 



Cyanocitta 158,215, 2i5, 250 



cristata 182, 191, 245 



stelleri 245, 246 



frontalis 246 



table of specific and varietal char- 

 acters of 247 



Cyanospiza 236 



Cypseloides 283, 284 



Cyrtonyx 236, 259 



montezumae 259 



ocellatus 259 



sallrei 259 



Darwin, acceptance of principles of 

 use and disuse and environmental 

 influences, 3; hypothesis of pan- 

 genesis, 3; on disuse, 25; on ac- 

 quired habits, 40; instances of in- 

 heritance of acquired habits criti- 

 cised by Ball, 40-41 ; acquired habits 

 supported by Romanes, 41; origin- 

 ator of theory of sexual selection, 

 80; description of preferential 

 mating. 81-82; theory of sexual 

 selection, 82: Wallace opposed to 

 his theory of sexual selection, 82- 

 83; on physiological selection, 112; 

 on color variations, with sex, age 

 or season, 212. 



Death, Weismann's explanation of, 8-9; 

 Morgan's criticism of Weismann's 

 explanation, 9. 



Dendragapus 204, 205, 259 



canadensis 204 



franklinii 204 



obscurus 204 



f uliginosus 204 



richardsonii 204 



Dendroica 232, 325 



(estiva 157, 221, 326 



auduboni 203, 218, 219 



Dendroica blackburnife... 148, 188, 221, 326 



bryanti 327 



Cfcrulea 158,221, 319, 327 



Cffirulescens , 221 



castanea 185, 222 



coronata.158, 182, 184, 187, 203, 218, 219 



dominica 182, 215 



maculosa 148, 218, 219 



nigrescens 216, 217, 218 



occidentalis 136, 188, 221 



olivacea 187 



palmarum 218, 219 



pensylvanica 222 



striata 187, 188, 222 



tigrina. 188, 222 



townsendi 221 



vigorsii 221 



virens 188, 221 



Dickcissel 312 



DicruruH 198 



Dippers 332 



Directive colors, definition of, 194, 201; 

 classification of by Todd, 201; new 

 classification of, 202. 



Discriminative colors, defined 204, 205 



Dolichonyx 290 



oryzivorus.. .142, 152, 181, 182, 185, 218 



Doves, mourning 205 



white-fronted 205 



white.winged 205 



Drongo cuckoo 198 



Dryobates 179, 224, 244, 252, 280 



arizonae 254 



pubescens 175,181,211, 254 



gairdnerii 254 



scalaris 254, 282 



bairdi 254 



stricklandi 254 



villosus 252, 282 



harrisil 254 



jardinii « 253 



leucomelas 254 



maynardi 252 



Dyer, objections to physiological selec- 

 tion, 123; objections to the term 

 segregation of the fit, 123. 



Eagles 270 



Ectopistes 236 



migratorius 205 



Eimer, on continuity of body cells, 20; 

 instances of observed cases of 

 transmission of mutilations, 32; on 

 pigmentation, 162; on general pat- 

 terns of bird colors, 179 ; on en- 

 vironment in evolution of colors, 

 226. 



