coisrTEisrTS. 



PAGE. 



Standing Committees. ......'..... 9 



Goldsmith, Edward. Pea-like Phosphorite from Polk Co., Florida. . . .10 



Allen, Harrison, M. D. On the distribution of color-marks in the Pteropodidae. . 12 



Sterki, Dr. V. On new forms of Vertigo. ........ 31 



Rex, George A., M. D. A remarkable variation of Stemonitis Bauerlinii Mass. . 36 



Hayden Memorial Geological Award. ......... 38 



PiLSBRY, H. A. On the Anatomy of Aerope caffra Fer. (Plate I.) .... 41 



PiLSBRY, H. A. Note on a Southern Pupa 44 



Baker, Frank C. Remarks on Urosalpmx perrugatus Conr. .... 46 



Jordan, David Starr. On the fishes described in Miiller's supplemental volume to 



the Systema Naturce of Linnseus. ......... 48 



Osborn, Henry Fairfield. A review of the Cemaysian Mammalia. ... 51 



Leidy, Jos., M. D. Hypoderas in the Little Blue Heron. ..... 63 



Leidy, Jos., M. D. Notice of an Ichneumon Fly 63 



PiLSBRY, H. A. On a new Bulimulus. . 63 



Leidy, Jos., M. D. Fossil vertebrates from Florida. ...... 64 



Baker, Frank C. On the modifications of the apex in Murex. .... 66 



Ives, J. E. On Arenicola cristata and its allies. ....... 73 



Rand, Theodore D. Notes on the genesis and horizons of the serpentines of South- 

 eastern Pennsylvania. ........... 76 



Stone, Witmer. Catalogue of the Owls in the collection of the Academy of Natural 



Sciences of Philadelphia. ........... 124 



WoOLMAN, Lewis. Geology of Artesian Wells at Atlantic City, N. J. . • . 132 



