Index 



Chickaree, Sierra, 449; volume of 

 muscle groups, 485. 



Chloeia euglochis, 179. 



Chloraemidae, 212. 



Chordeiles virginianus, feathers, 372 ; 

 figures of barbules, opp. 436. 



Chromatophores, frog, 167-172. 



Chrysopetalum occidentale, 179. 



Ciconia ciconia, feathers, 319. 



Ciconiae, ventral ridge, 266 ; feathers, 

 318; down, 320; relationships, 

 320; epiphyology, summary, 320; 

 figures of barbules, opp. 412. 



Ciconiiformes, suborders of, 307. 



Cilia of barbules, definition, 254. 



Ciliates from stomachs of ruminants, 

 list of species described, 49. 



Cinelus, down, 383. 



Circus, plumule, 258; feathers, 335. 

 hudsonius, oil-gland feathers, 259; 

 filoplumes, 261; eyelashes, 274; 

 feathers, 336; down, 336. 



Cirratulidae, 205. 



Cirratulus sp. (?), 205. 

 cingulatus, 205. 

 luxuriosus, 205. 

 robustus, 205. 

 spirabranchus, 205. 



Cistenides hyperborea, 212. 



Citellus beechyi, 449. 



Chymenella rubrocincta, 219. 



Clymene mirabilonga, 220. 



Coccyzus, shaft, 263; feathers, 364; 

 down, 365. 

 americanus, feathers, 363; figures 

 of barbules, opp. 432. 



Coehlearius, no data concerning 

 feathers, 321. 



Cockerell, T. D. A., cited on scales 

 of coeciliids, 248. 



Colli, feathers, 374. 



Colin, G., cited on protozoans in 

 stomach of ruminant, 45. 



Color production in feathers, 274; 

 albinism, effect on color modi- 

 fications, 279; classification of 

 colors, 274 : pigment (blacks, 

 browns, including rufous, lemon 

 yellow, gi'een (turacoverdin), 

 grays), 275; structural, 275; 

 compounded, 276-279 ; white, sil- 

 very straw, yellow, 276; orange, 

 red, green, 277; bronze, blue, 

 278; isotely in color production, 

 274-279; refrangent surfaces, 

 277, 278; taxonomic value of 

 methods, 387. 



Columba, down, 361, color modifica- 

 tions, 362. 

 fasciata, feathers, 359; color mod- 

 ifications, 362; figures of barb- 

 ules, opp. 430. 

 livia, feathers, 359 ; figures of barb- 

 ules, opp. 430. 



Columbae, down, 361. 



Columbigallina, down, 361. 



Colymbidae, feathers, 300. 



Colymbif ormes, rectrices, 269 ; feath- 

 ers, 298; down, 301; relation- 

 ships, 301; epiphyology, sum- 

 marj^, 302; figures of barbs and 

 barbules, opp. 404. 



Colymbus holboelli, feathers, 300. 



Contour feathers, definition, 250; 

 figure of, 249; evolution from 

 Eatitae, 255; modifications, 263, 

 269: remiges, 263; shaft, 263; 

 vanes and barbs, 264; vanes of 

 flightless birds, 264; barbules, 

 266 : comparisons, 266, mathe- 

 matical variation In number, 

 265, proximal, 267, variations, 

 268; retrices, structure, 268; un- 

 specialized : structure, 269 ; after- 

 shafts, 269; down, 270; penna- 

 ceous barbules, 271 ; flexules, 272 ; 

 ornamental plumes (aigrettes, 

 "paradise plumes"), 272; ear 

 coverts, 273; facial bristles and 

 eyelashes, 273; facial ruffs, 274. 



Coraciae, feathers, 368; figures of 

 barbules, opp. 434. 



Coracias, down, 374. 



afiinis, blue color, 278; feathers, 

 368; down, 375. 



Coraciidae, refrangent surface in 

 feathers, 278. 



Coraciif ormes, ear coverts, 273; 

 feathers, 368; down, 374; color 

 modifications, 376; relationships, 

 378; epiphyology, summary, 379; 

 figures of barbules, opp. 434, 

 436. 



Cormorants, filoplumes, 262. 



Cotingidae, down, 382. 



Corvus, nasal tuft, 274; down, 383. 

 corax, figures of down barbules, 

 opp. 446. 



Cottontail, Sacramento Valley, 449. 



Cracidae, feathers, 340. 



Crandall, L. S., acknowledgment to, 

 206. 



Cresicus, feathers, 350; down, 353. 



Crypturif ormes, vanules, 268; feath- 

 ers, 345; down, 347; relation- 

 ships, 347; epiphyology, sum- 

 mary, 347; figures of barbules, 

 opp. 422. 



Ctenophora of the San Diego Eegion, 

 A Study of the Occurrence and 

 Distribution of, 21; bibliography, 

 38. 



Ctenophores, surface hauls: tables, 

 22, 24; monthly distribution, 25; 

 monthly distribution of Pleuro- 

 brachia, 25; diurnal movements, 

 33, 34. See also Pleurobrachia, 

 Euplokamis californiensis. 



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