1889.J 



NATURAL SCIENCES OF PHILADELPHIA. 



495 



urans, 96, 143. Catalogue of the As- 

 teroidea and Ophiuroidea in the col- 

 lection of the Academy of Natural 

 Sciences of Philadelphia, 129, 169. 

 Mimicry of the environment in Ptero- 

 phryne histrio, 344. 



Jeanes, Mary, announcement of death 

 of, 344. 



Jordan, David S. and Bert. Fesler. 

 Description of a new species of Or- 

 thopristis from the Galapagos Islands, 

 36. 



Kirsch, Philip H. A review of the Eu- 

 ropean and American Uranoscopidae 

 or Star Gazers, 189, 258. 



Kirsch, Philip H. and Morton W. For- 

 dice. A review of the American spe- 

 cies of Sturgeons (Acipenseridae), 

 180, 245. 



Keyes, Charles R. Lower Carbonic 

 Gasteropoda from Burlington, Iowa, 

 282, 284. Sphaerodoma, a genus of 

 fossil Gasteropods, 282, 303- The 

 American species of Polyphemopsis, 

 282, 299. 



Koenig, George A. On Anhydrite, 11. 

 Mazapilite, a new mineral species, 

 45. Cloanthite, Nicolite, De Saule- 

 site, Annabergite, Tephrowillemite, 

 Fluorite and Aquatite from Franklin, 

 N.J.,184. 



Leidy, Joseph, M. D. On several Gre- 

 garines and a singular mode of con- 

 junction of one of them, 9. The Sa- 

 bre-tooth Tiger of Florida, 29. Note 

 on Gonyleptesand Solpuga, 45. The 

 Boring Sponge, Cliona, 47. 70. A 

 Parasitic Copepod, 95. Fossil Ver- 

 tebrates from Florida, 96. Report 

 of Curators, 429. 



Librarian, annual report of, 426. 



Library, additions to, 450. 



McCook, Rev. H. C. Note on the true 

 systematic position of the Ray Spider, 

 180. 



McMurrich, J. Playfair, Ph. D. A con- 

 tribution to the Actinology of the Ber- 

 mudas (Plate VI. and VII), 95, 102. 



Marx, Geo., M D. A contribution to 

 the Spider fauna of the Bermuda Is- 

 lands (Plate IV), 95, 98. On a new 

 species of Spider of the Genus Dino- 

 pis from the Southern United States 

 (Plate XI), 311, 341. 



Meehan, Thomas, Contribution to the 

 Life Histories of Plants, No. IV, 31, 

 53. Report of Botanical Section, 

 435. 



Meek, Seth E. and Charles H. Boll- 

 man. Note on Elagastis bipinnula- 

 tus, 29, 42. 



Members, elections of, 444. 



Meyer, Abraham. Notes on the pres- 

 • ence of the Umbral or Mountain 

 Limestone in Lycoming Co., Penna., 

 310. 



Mineralogical and Geological Section, 

 annual report of, 438. 



Morrison, Willard L. A review of the 

 American species of Priacanthida?, 

 140, 159. 



Museum, additions to, 446 



Nolan, Edward J., M. D. Report of 

 Recording Secretary, 423. Report 

 of Librarian, 426. Report of Con- 

 chological Section, 433. 



Officers for 1890, 444. 



Pilsbry, H. A. On new and little- 

 known American Mollusca, No. I 

 (Plate III), 48, 81. The Radula in 

 Rhipidoglossate Mullusks, 136. No- 

 menclature and check-list of North 

 American Land Mollusks, 180, 19J- 

 On the Anatomy of Aerope and Zin- 

 gis (Plate IX), 277. New and little, 

 known American Mollusks, No. II 

 (Plate XII), 311, 411. Report of 

 Conchological Section, 433. 



Professor of Ethnology and Archaeol- 

 ogy, annual report of, 440. 



Professor of Invertebrate Paleontology, 

 annual report of, 439. 



Professor of Invertebrate Zoology, an- 

 nual report of, 440. 



Rand, Theo. D. Notes on the Drift at 

 Block Island, 408. Report of Min- 

 eralogical and Geological Section, 

 438. 



Recording Secretary, annual report of, 

 423. 



Redfield, J. H. Notes on Corema Con- 

 radii, 135. Note on Pinus Banksi- 

 ana, 344. Report of Botanical Sec- 

 tion, 435. 



Report of Biological and Microscopical 

 Section, 432. 



Report of Botanical Section, 435. 



Report of Conchological Section, 433. 



Report of Corresponding Secretary, 425. 



Report of Curators, 429. 



Report of Entomological Section, 434. 



Report of Librarian, 426. 



Report of Mineralogical and Geological 

 Section, 438. 



Report of Professor of Ethnology and 

 Archaeology, 440. 



