425 



Pygoscelis papua, 249. 

 Pyranga bidentata, 281. 



rubra, 370. 

 Pyrrhophama Graysoni, 283. 



Quarrying, interesting phenomena in, 80. 

 Querquedula discors, 384. 

 Quiscalus, remarks on some species of, 

 205. 

 versicolor, 375. 



Pallidas, 384. 

 Keduvidas, 106. 

 Regulus calpndulus, 361. 



satrapus, 361. 

 Report Annual, of the Custodian, 207; 



of the Treasurer, 233 ; of the commit- 

 tee on the Walker Prizes, 308. 

 Report on the Brandon Frozen Well, 387. 

 Report of the committees on 



Mineralogy, 224. 



Geology, 224. 



Botany, 224. 



Palaeontology, 225. 



Comparative Anatomy, 226. 



Radiata, 227. 



Insecta, 227. 



Mollusca, 229. 



Fishes and Reptiles, 230. ' 



Ornithology, 231. 



Mammalia, 232. 

 Khagovelia obesa, 107. 

 Rhapkigaster Pennsylvanicus, 98. 

 lihyacophilus solitarius, 383. 



Sanborn, P. G. Method of inflating 



skins of caterpillars for the cabinet, 



260. 

 Saxicolidae, 358. 

 Sayornis fuscus, 376. 

 Soeva, George. Experiments with 



the poison of the Cobra de Capello,87; 



peculiarities in Hindoo skulls, 130; on 



the mongous and* cobra, 131. 

 Scolecnphagus ferrugineus, 375. 

 Scolithi, nature of the so-called, 13D. 

 Scolopacidae, 383. 

 Scops asio, 381. 

 Scurria, 52. 

 Selachians, mode of copulation among, 



339. 

 Setophaga ruticilla, 389. 

 Shalkr, N. S. On the causes leading 



to the production of Cape Hatteras, 



110. 

 Sialiasialis, 358. 

 Sittidae, 359. 

 Sitta canadensis, 359. 



carolinensis, 359. 

 Skulls, peculiarities in Hindoo, 130. 

 Socorro, Natural' History of the Island 



of, 261, 287. 

 Spheniscidaa, catalogue of the, in the 

 Society's Museum, 238. 

 osteological notes on, 251. 

 Spheniscus, 242. 



demersus, 248. 

 minor, 247. 

 Sphyrapicus varius, 380. 



Spittle insect, observations on, 391. 



Spizella monticola, 373. 

 pusilla, 373. 

 socialis, 373. 



Sprague, P. S. On a Staphylinidous 

 parasite on Anthomyia, 54; on the 

 types of Kirby, 55; remarks on the 

 Scolytidae, 203; discovery of a parasite 

 of Pieris rapse, 388. 



Stiretridae, 94. 



Stodder, C. On a case of Molecular 

 Motion, 43; on the Podura scale, 188; 

 on atmospheric germs, 346. 



Strigidae, 270, 300, 381. 



Strix pratinicola, 270. 



Sula cyanops, 302. 

 piscator, 302. 



Sulidce, 302. 



Surnia ulula, 381. 



Swan, Rev. J. A. Resolutions in re- 

 lation to the death of, 389. 



Sylvicolidae, 361. 



Sylviidae, 331. 



Syrnium cinereum, 381. 

 nebulosum, 381. 



Tachycincta bicolor, 389. 

 Tanagridae, 281, 370. 

 Testudo polyphenols, 16. 

 Tetrao canadensis, 383. 

 Tetraonidas, 383. 

 Thryothorus felix, 278. 

 Thyrosternum pennsylvanicum, 17, 18. 

 Tinnunculus sparverius, 269, 382.^ 

 Trachemys scabra, 16. 

 Tres Marias, Natural History of the Isl- 

 ands of, -261. 

 Trichopepla semivittata, 96. 

 Tringoides macularius, 383. 

 Trionyx ferox, 16. 

 Triphleps insidiosus, 106. 

 Trochilidae, 282, 380. 

 Trochilus colubris, 380. 

 Troglodytes redon, 380. 



hyemalis, 360. 

 insularis, 299. 

 Troglodytidai, 278, 299, 360. 

 Trogon ambiguus, 272. 

 Trogonidae, 272. 

 Tunicates, relationship of, 137. 

 Turdidas, 275, 293, 357. 

 Turdus aurocapillus, 358. 



flavirostris, 276. 



fuscescens, 357. 



Grayi, 276. 



mig'ratorius, 357. 



noveboracensis, 358. 



pallasii, 357. 



Svvainsonii, 358. 



ustulatus, 276. 

 Tyrannidae, 278, 376. 



Uhler, P. R. Notices of some Hete- 

 roptera in the T. W. Harris Collec- 

 tion, 93. 



Uta auriculata, 303. 



Utah, mineral resources of, and the dis- 

 covery of a bismuth mine in, 341. 



