1897.] 



NATURAL SCIENCES OF PHILADELPHIA. 



575 



tera of Brazil, No. 2 — Pompili- 

 da3 (Plate IV), 166, 229. Con- 

 tributions to a knowledge of the 

 Hymenoptera of Brazil, No. 3 

 — Sphegida?(sens. lat.), 356, 373. 



Frazer, Persifor. Geological Sec- 

 tion from Moscow to Siberia 

 and return, 356, 405. 



General Index, 574. 



Goldsmith, Edward. Volcanic 

 rocks of Mesozoic age in Penn- 

 sylvania, 356. The Petrefaction 

 of Bones, 480. 



Haughton, Rev. Samuel, an- 

 nouncement of death of, 480. 



Hayden Geological Memorial 

 Award, report on, 167. 



Heath, Harold. External features 

 of young Cryptochiton (Plate 

 VIII), 168, 299. 



Heilprin, Angelo, report of Pro- 

 fessor of Geology, 552. 



Horn, George H., M. D., an- 

 nouncement of death of, and 

 minute of appreciation, 459 ; 

 Biographical notice of, 515. 



Index to Genera, 565. 



Johnson, Charles W. Diptera col- 

 lected by Dr. A. Donaldson 

 Smith in Somaliland, Eastern 

 Africa, 145. 



Jordan, David Starr and Cloudsley 

 Butter. A collection of fishes 

 made by Joseph Seed Roberts in 

 Kingston, Jamaica, 91. 



Karpinski, A. Receipt of Hayden 

 Medal, 167. Biographical notes, 

 167, 288. 



Keller, Ida A. Notes on under- 

 ground Runners (Plate III), 

 145, 161. Notes on Plant Mon- 

 strosities (Plate V), 166, 284. 



Librarian, report of, 539. 



Mineralogical and Geological Sec- 

 tion, 549. 



Meehan, Thomas. Contributions 

 to the life histories of Plants — 

 No. XII, 169. The plants of 

 Lewis and Clark's Expedition 

 across the Continent during the 

 years 1804-1806, 459. Report 

 of Botanical Section, 548. 



Moore, Clarence B. Certain ab- 

 original mounds of the Georgia 

 coast, 313. 



Morris, Charles. The Primeval 

 Ocean, 12. Report of Anthro- 

 pological Section, 552. 



Nadaillac, Marquis de. Inhuma- 

 tion and incineration in Europe, 

 134, 313. 



Nolan, Edw. J. , M. D. Biograph- 

 ical notices of Harrison Allen 

 and George Henry Horn, 505. 

 Report of Recording Secretary, 

 536. Report of Librarian, 539. 



Officers, Councillors and Members 

 of the Finance Committee, 555. 



Ornithological Section, report of, 

 550. 



Palmer, T. Chalkley. Demonstra- 

 tion of the absorption of carbon 

 dioxide and the generation of 

 oxygen by diatoms, 134, 142. 



Pilsbry, H. A. The affinities of 

 the Floridian Miocene Land 

 Snails, 10. The Gastropod Rad- 

 ula, 11. Description of new 

 South American Bulimuli, 18. 

 New species of Mollusks from 

 Uruguay (Plates VI and VII), 

 168,290. New Achatinidaa and 

 Helicida' from Somaliland, 288, 

 357. New Australian Mollusks 

 (Plate IX), 329, 360. Patago- 

 nian Tertiary fossils, 329. Scal- 

 pellum and Balanus from Texas 

 332. New Brazilian Streptaxidse 

 458, 477. Description of two 

 new forms of Perideris, 480, 

 503. Additional note on the Gas- 

 tropod Genus Tatea, Tenison- 

 Wood, 480. Report of Concho- 

 logical Section, 546. Report ot 

 Professor of Malacology, 551. 



Pilsbry, H. A. and Benj. Sharp. 

 Scaphopoda of the San Domin- 

 go Tertiary (Plates X and XI), 

 356, 465. 



Pilsbry, H. A. and E. G. Van- 

 atta. Description of two new 

 species of Cerion, 331, 365. 

 Anatomical notes on certain 

 western American Helices, 480. 



