Index 



315; epiphyology, summary, 316; 

 figures of barbules, opp. 408, 

 410. 

 Stehli, G., cited on reptile scales, 



247. 

 Stein, F., cited on protozoa in stom- 

 achs of ruminants, 46, 59. 

 Sterna maxima, feathers, 357; fig- 

 ures of barbules, opp. 428. 

 Sternaspidae, 215. 

 Sternaspis fossor, 215. 

 Sthenelais fusca, 183. 

 tertiaglabra, 183. 

 verruculosa, 184. 

 Sthenelanella uniformis, 184. 

 Stomodeal denticles, modification of 

 ventral scale in Heterodontus 

 francisci, 151; relation to func- 

 tion, 162. 

 Stomolophus, Medusan Genus from 

 San Diego, Note on, 239; bibli- 

 ography, 241. 

 Stomolophus agaricus, 239, 240. 

 chuni, 240. 

 fritillaria, 239, 240. 

 meleagris, 239, 240. 

 Streblosoma crassibranchia, 208. 

 Striges, plumules, 257; dorsal cilia, 

 267; ear coverts, 273; feathers, 

 371; down, 375; figures of barb- 

 ules, opp. 436. 

 Strutliio camelus, feathers, 285; nest- 

 ling feathers, 286; figures of 

 barbules, opp. 398. 

 Struthioniformes, feathers, 285; lack 

 of filoplumes, 260; remiges, 264; 

 relationships, 287; epiphyology, 

 summary, 288; figures of barb- 

 ules, opp. 398. 

 Study, A, of the Occurrence and 

 Manner of Distribution of the 

 Ctenophora of the San Diego 

 Region, 21. 

 Study, A, of the Structure of Feath- 

 ers, with Special Reference to 

 Their Taxonomic Significance, 

 243. 

 Stylocheiron, genus, description, 12. 

 Sula variegata, figures of barbules, 

 opp. 410, of down barbules, opp. 

 446. 

 Sulidae (genus Sula) feathers, 312; 



down, 315. 

 Swan. See Anseres. 

 Syllidae, 176. 



Syllidae, New, from San Francisco 

 Bay, Collected by the U. S. S. 

 "Albatross," 235. 

 Syllis alternata, 176. 

 armillaris, 176. 

 heterochaeta, 176. 

 (Pionosyllis) elongata, 176. 

 Sylvilagus auduboni, 449. 



Tanygnathus lucionensis, color modi- 

 fications, 367; figures of barb- 

 ules, opp. 432. 



Taxonomic value of: integumentary 

 structures of vertebrates, 247; 

 scales of fishes, 248, 385; struc- 

 ture of feathers, 385, 386, 387; 

 scales of reptiles, 386; hair of 

 mammals, 386. 



Terebella sp.(?), 207. 

 californica, 207. 



Terebellidae, 206. 



Terns, production of hoary color, 

 275. 



Tetraonidae, ear coverts, 273; feath- 

 ers, 339, figures of, 43a, b, c, 

 opp. 420. 



Tharyx multifiles, 206. 



Thelepus crispus, 207. 

 hamatus, 208. 



Thomomys bottae, 448. 



Thysanoessa, occurrence, 142. 



gregaria, figures of, opp. 18, 20. 



Tinamidae, systematic position, 389. 



Tinamus, feathers, 346; down, 347. 

 solitarius, feathers, 345; figures of 

 barbules, opp. 422. 



Toldt, K. Jun., taxonomic value of 

 work on hair of mammals, 247. 



Tomopteridae, 188. 



Tomoi^teris septentrionalis, 188. 



Tower, W. L., cited on inheritance, 

 513. 



Travisia pupa, 215. 



Treadwell, Aaron L., 175, 235. 



Trochilidae, feathers, 373; down, 375; 

 color modifications, 377; red 

 color, 277; refrangent surfaces 

 in feathers, 278; systematic po- 

 sition, 389. 



Trogones, dorsal cilia, 267; refran- 

 gent surfaces in feathers, 278; 

 figures of barbules, opp. 434. 



Trogonidae, feathers, 372; down, 376; 

 color modifications, 377. 



Trophonia capulata, 212. 

 inflata, 213. 

 minuta, 213. 

 papillata, 212. 



Trypanosyllis adamanteus, 235. 

 gemmipara, 177. 

 intermedia, 177. 



Turacoverdin, green pigment in 

 Musophagidae, 277. 



Turacus corythaix, color modifica- 

 tions, 366. 



Turdidae, feathers, 381. 



Turdus, down, 382. 



Turnices, feathers, 343; down, 344; 

 relationships, 344; epiphyology, 

 summary, 344. 



Turnix lepurana, feathers, 343; fig- 

 ures of barbules, opp. 420. 



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