409 



Passenger Pigeon, observations on 

 Flight of, 181. 



Pedicularia Sicula identical with Pur- 

 pura monodonta and P. madrepora- 

 rum, 126 ; from the depth of 400 

 fathoms, 126. 



Pennsylvania, fossil plants of, 63. 



Philosophical Society of Victoria, do- 

 nation to, 357. 



Phosphorus, supposed transformation 

 of human bones into, 346. 



Physa elongata, differences in speci- 

 mens of, 121. 



Physa bullata, Gould, 128. 



humerosa^ " 128. 



virgata, " 128 ; ditto, re- 

 markable for its variegated coloration, 

 129. 



Pin-tailed Duck, peculiar arrangement 

 of bones and ligaments of wing, 169. 



Placobranchus simplex, Girard, 88. 



Planorbis ammon, Gould, 129. 



gracikntus, " 129. 



Plotus anhinga, and Tantalus loculator, 

 common in Illinois, 391. 



Polyporus ^iganteus, 230. 



Pomotis obesus, Girard, 40. 



Portland Society of Natural History, 

 donation to, 37. 



Posidonomya in Mesozoic rocks of 

 Middle States, discovery of, 201. 



Potash, bichromate of, efflorescences on 

 earthenware, 230. 



President, committee to nominate, 363. 



Prof. Jeffries Wyman elected, 



396. 



Pterodactyl longirostris, 277. 



Quartz from Beyrout, 209. 

 Querquedula crecca shot in Massachu- 

 setts, 195. 



Eain drops, impressions of, 253; ter- 

 minal velocity of falhng, 266, 282. 



Ranunculus micranthus in Massachu- 

 setts, 155. 



Eattlesnake, Poison apparatus of, W. 

 I. Burnett on, 31. 



Red-tailed Hawk, California, nest and 

 eggs of, 385. 



Report of committee on library room, 

 211 ; on Treasurer's account for 1855, 

 208 ; on water from Dorchester, 164. 



Reptiles, impressions of in Red Shale of 

 Pennsylvania, 182; belonging to T. 

 H. Webb, report on, 58. 



Resignation of office of Curator, by 

 Samuel Kneeland, Jr. 57. 



Resolutions and remarks of Dr. Storer 

 on occasion of the decease of Dr. 

 Warren, 359. 



Rocky Mountains, geology of eastern 

 base of, 190; fossils from, 191. 



Roosting of Birds, 125. 



PROCEEDINGS B. S. N. H. VOL. V. 



Saline incrustations of " Mauvakes 

 Terres,"" 150. 



Saltpetre Earth from Tennessee, 334; 

 ditto, origin of. Prof. W. B. Rogers on, 

 334. 



Samuels, E., letter from, 311. 



Sandstone, Connecticut, impressions on, 

 90. 



Sandstone, new red, of Virginia, Penn- 

 sylvania, &c. 16. 



Scaphiopus solitarius, 381 ; found in 

 Massachusetts, and Prof. J. Wyman's 

 observations on its habits, 382. 



Sea-water, green color of on soundings 

 accounted for, 194. 



Sebastes fasciatus, Storer, 31. 



paucispinis, Ayers, 94. 



nebuhsus, " 96. 



ruber, " 97. 



variabilis, " 98. 



Secondary formations of Virginia and 



North Carolina, 14. 



Serpentine, American, 318; of Vermont, 

 339 ; analysis of, by A. A. Hayes, 

 340 ; compared with others, 341. 



Sharks' teeth fossil, 233. 



Shells, effects of local circumstances on 

 the forms of, 120, 123; new species 

 of, 228; new land and fresh-water 

 species, 127; Col. Perkins's donation 

 of, 35 ; sculpture of indicating locality, 

 130. 



Ship-worm, ravages of prevented, 75. 



Slag from Ohio River near Cannelton, 

 290. 



Smithsonian Institution, proposition of, 

 56. 



Spelaean bear, 108. 



Sphoeria lactifluorum, 258. 



Spiloccea fructigena, 338. 



Springs acid and alkaline of Appala- 

 chian slate formations, 153. 



Stalactites, formation of, 335 ; ditto. 

 Prof. W. B. Rogers on, 336. 



Steel, composition of, &c. 232. 



SteriUty of hybrid races, 220. 



Storeria Dekayi resembling S. occipito- 

 maculata, 89. 



Storer, F. H., resignation of office of 

 Mineralogical Curator, 257. 



Succession of fossil footprints, indicat- 

 ing a progressive elevation in scale 

 of structure, 184. 



Sulphuric acid, deoxidation of in Ter- 

 tiary clays and sands of Maryland 

 and Virginia, 153. 



Surinam Toad, development of its egg, 

 13. 



Sycamores, recovery of from disease, 

 231. 



Sylvicola coronata and S. parus seen 

 in Massachusetts in January, 142. 



Teal, European Green-winged, ( Quer- 



27 



