1890.] 



NATURAL SCIENCES OF PHILADELPHIA. 



507 



responding Secretary, 471. 



Index to Genera, 498. 



Ives J. E. On Arenicola cristata and 

 its allies, 36, 7-3. Echinoderms from 

 the noithern coast of Yucatan and the 

 harbor of Vera Cruz, 278, 817. 



Jordan, David Starr. On tiie fishes de- 

 scribed in Miiller's Supplemental 

 Volume to the Systema Naturae of 

 Linnaeus, 11, 48. 



Jordan, John, Jr., announcement of 

 death of, 148. 



Keyes, Charles R. Synopsis of the 

 American Carbonic Calyptrreidae, 64, 

 150. 



Knight, J. Frank, announcement of 

 death of, 10. 



Leidy, Jos., M.D. Hypoderas in the 

 Little Blue Heron, 63. Notice of an 

 Ichneumon Fly, 63. Fossil verte- 

 brates from Florida, 64. Hippothe- 

 rium and Rhinoceros from Florida, 

 182. Mastodon and Capybara of 

 South Carolina, 184. Remarks on 

 Ticks, 278. Parasites of Mola 

 rotunda, 281. Beroeon the New Jer- 

 sey coast, 341. Notes on some En- 

 tozoa, 342, 410. Remarks on Vel- 

 ella, 408. 



Librarian, Annual Report of, 472. 



Martindale, Isaac C, election as treas- 

 urer, 281. 



Meehan, Thomas. Contributions to 

 the life-histories of plants, No. V, 

 197, 266. Report of Botanical Sec- 

 tion, 484. 



Mineralogical and Geological Section, 

 Annual Report of, 486. 



Morris, Charles. On the influence of 

 previous pregnancies on offspring, 

 281,341. 



Nolan, Edw. J., M.D. Report of Re- 

 cording Secretary, 470. Report of 

 Librarian, 472. 



Officers, councillors and members of 

 finance committee, 490. 



Osborn, Henry F. A review of the 

 Cernaycian Mammalia, 36, 51. 



Parry, Charles C, M.D., announce- 

 ment of death of, 38. 



Pepper, George S., announcement of 

 death of, 182. 



Perot, Charles P., election as member 

 of Finance Committee, 283. 



Pilsbry, H. A. On the anatomy of 

 Aerofe Caffra Fer., 10, 41. Note on 

 a southern Pupa, 36, 44. On a new 

 Bulimulus, 63. New East Indian 



Land Shells, 149, 186. New and 

 little-known American Mollusca, No. 

 3, 2-50, 296. Trochidw new and old, 

 278, 343. On Helix albolabris var. 

 maritima, 282. Note on the soft 

 parts and dentition of Stomatella, 342. 

 Description of a new Japanese Scal- 

 pellum, 441. Report of Conchologi- 

 cal Section, 481. 



Professor of Ethnology and Archaeolo- 

 gy, annual report of, 487. 



Professor of Inveiteiiratc Paleontology, 

 annual report of, 487. 



Professor of Invertebrate Zoology, an- 

 nual report of, 488. 



Queen James W., announcement of 

 death of, 197. 



Rand, Theo. D. The genesis and hori- 

 zon of the Serpentines of South East- 

 ern Pennsylvania, 36, 76, 148 ; Geol- 

 ogy of the South (Chester) Valley 

 Hill, 435. Report of the Mineral- 

 ogical and Geological Section, 486. 



Recording Secretary, annual report of, 

 470. 



Redfield, John H. Report of Botani- 

 cal Section, 484. 



Report of Biological and Microscopical 

 Section, 480. 



Report of Botanical Section, 484. 



Report of Conchological Section, 481. 



Report of Corresponding Secretary, 471. 



Report of the Curator of the William S. 

 Vaux Collections, 489. 



Report of Curators, 474. 



Report of Entomological Section, 483. 



Report of Librarian, 472. 



Report of Mineialogical and Geologi- 

 cal Section, 486. 



Report of Professor of Ethnology and 

 Archaeology, 487. 



Report of Professor of Invertebrate Pale- 

 ontology, 487. 



Report of Professor of Invertebrate Zo- 

 ology, 488. 



Report of the Recording Secretary, 470. 



Rex, Geo. A., M. D. A remarkable 

 variation of Stemonitis Bauerlinii 

 IVIass. 36 ; New Myxomycetes in 

 Century XXV of Ellis and Everhart's 

 North American Fungi, 182, 192; 

 Trichia proximella Karst, 436, 



Ryder, J. A. The function and histol- 

 ogy of the yolk-sac of the young 

 Toad-f^sh, 407. 



Sharp. Benjamin, M. D. Variations in 

 Bulimus exilis 149; An account of 

 the Vincelonian Volcano, 197, 289; 



