INDBX^ 



Titles of papers in this volume, and names of new species, are printed in a 



bold-faced type 



Accessory plumes, definition, 251. 



Accipiter eooperi, down, 336. 



Accipitres, feathers, 334; down, 336; 

 relationships, 336 ; epiphyology, 

 summary, 337 ; figures of barb- 

 ules, opp. 418. 



Aechmophorus occidentalis, lack of 

 filoplumes, 260; feathers, 300, 

 301 ; figxires of barbules, opp. 404. 



Aftershaft (hyporhacis, accessory 

 plume), definition, 251; table of 

 occurrence, 256; taxonomie value, 

 386. 



Agelaius phoeniceus, down, 382. 



Aigrettes, structure, 323 ; figure of 

 barbule, opp. 412. 



Ajaja ajaja, feathers, 320; figures of 

 barbules, opp. 412. 



Albino mallard, feathers, 279. 



Alcae, feathers, 354. 



Alcedinidae, feathers, 370. 



Alcidae, feathers, 357; down, 358; 

 relationships, 358 ; systematic po- 

 sition, 389. 



Alectoropodes, relationships, 343. 



Aluco, plumules, 257. 



pratincola, down, 375; figures of 

 barbules, opp. 436. 



Amage tumida, 209. 



American Museum of Natural History, 

 acknowledgment of material, 246. 



Ammoehares occidentalis, 206. 



Ammoeharidae, 206. 



Ammotrypane brevis, 216. 

 gi-acile, 216. 



Ampharete arctica, 210. 



Ampharetidae, 209. 



Amphibian larvae, 167, 168. 



Amphicteis alaskensis, 209. 

 glabra, 210. 

 japoniea, 210. 

 scaphobranchiata, 210. 



Amphictenidae, 211. 



Amphinome rostrata, 179. 



Amphinomidae, 178. 



Amphitrite palmata, 206. 

 robusta, 206. 

 spiralis, 206. 



Anas, down, 329. 



platyrhynchos, feathers, 327; nest- 

 ling feathers, 259; figures of 

 barbules, opp. 414. 



Anatidae, doAvn, 270; refrangent sur- 

 faces in speculum feathers, 277. 



* Univ. Calif. Publ. Zool., vol. 13, 



Anatomical Adaptations in the 

 Thoracic Limb of the Califor- 

 nia Pocket Gopher and Other 

 Rodents, 447; bibliography, 490. 



Anatomy, correlation with habits, 

 448. 



Anatomy, The, of Heterodontus 

 Francisci, I. The Exoskeleton, 

 147; bibliography, 163. 



Andigena, down, 376. 



Annelids, Polychaetous, of the Pa- 

 cific Coast in the Collections 

 of the Zoological Museum of 

 the University of California, 

 175. 



Anseres, feathers, 327; nestling 

 feathers, 259; down, 329; rela- 

 tionships, 329 ; epiphyology, sum- 

 mary, 330. 



Anseriformes, feathers, 327; figures 

 of barbules, opp. 414. 



Anthracoceros, feathers, 370; down, 

 375. 



Aphrodita castanea, 178. 

 negligens, 178. 

 parva, 178. 

 refulgida, 177. 



Aphroditidae, 177. 



Apomatus geniculata, 226. 



Aprosinietus cyanopygius, figures of 

 barbules, opp. 432. 



Aptenodytes pennanti, feathers, 296; 

 down, 297; figures of barbs and 

 barbules, opp. 402. 



Apterygiformes, feathers, 293; rela- 

 tionships, 294 ; epiphyology, sum- 

 mary, 295; figures of barbs and 

 barbules, opp. 400. 



Apteryx haasti, feathers, 293 ; figures 

 of barbs and barbules, opp. 400. 



Aquila, feathers, 335. 



Arabella attenuata, 196. 



Aramidae, feathers, 351; relation- 

 ships, 354. 



Aramus, relationships, 353; down, 

 353. 

 giganteus, feathers, 351; figures of 

 barbules, opp. 424. 



Archibuteo, feathers, 335. 



Ardea herodias, feathers, 321; fig- 

 ures of barbules, opp. 412. 



Ardeae, feathers, 321; down, 324; 

 relationships, 324; epiphyology, 

 summary, 324; figures of barb- 

 ules, opp. 412. 



[517] 



