3*76 



PROCEEDINGS OF THE ACADEMY. 



[1883. 



Report of the Professor of Invertebrate 



Palaeontology, 334. 

 Report of the Professor of Mineralogy, 



334. 

 Report of the Curator of the Wm. S. 



Vaux Collections, 336. 

 Ridings, James H. Report of Ento- 

 mological Section, 329. 

 Roberts, S. R. Report of the Concho- 



logical Section, 327. 

 Seybert, Henry. Announcement of 



death of, 71. 

 Sharp, Benjamin. On the Anatomy of 



Ancylus lacustris and Ancylus fluvia- 



tilis, 203, 214; On the Visual Organs 



of Solen, 248. 

 Skinner, H. Ovipositing of Argynnis 



cybele, 36. 

 Smith, J. Lawrence. Announcement 



of death of, 203. 

 Stearns, R. E. C. Description of a 



New Hydrobiinoid Gasteropod from 

 the Mountain Lakes of the Sierra 

 Nevada, with remarks on allied 

 species and the physiographical 

 features of said region, 168, 171. 



Townsend, Chas. Hybrid Birds, 39; 

 Notes on the Birds of Westmoreland 

 Co., Penna., 44, 59. 



Trautwine, .John C. Announcement of 

 death of, 193. 



Treasurer, report of, 323. 



Wells, W. Lehman. Announcement of 

 death of, 125. 



Willcox, Jos. Canadian Notes, 96 ; 

 On the Evidences of Glacial Action 

 in Northern New York and Canada, 

 203, ^57. 



Wister, John. Announcement of death 

 of, 89. 



Wright, Berlin H. A new Unio from 

 Florida, 44, 68. 



