33s [December, 1843. 



Helix ;" " Memorandum of dates of publication of papers in the early 

 numbers of the Journal of the Academy," and "On the nomenclature of 

 Natural Science." By Mr. Haldeman,the following papers: "Descrip- 

 tions of new species of Cyclas ;" several on new species of Cypris; "De- 

 scriptions of two new fresh-water shells of the genera Amnicola and 

 Physa;" "of another new species of Cyclas;" "of a genus of Sterel- 

 mintha ;"" of two species of Entomostraca, and two Hydrachnae;" "of 

 a new Daphnia;" several on changes of nomenclature in Natural History; 

 a " Catalogue of the Carabideous Coleoptera of South Eastern Pennsyl- 

 vania, and descriptions of new species of North American Coleoptera;" 

 and " Description of a new species of Pasimachus." By Dr. Halloweil, 

 a paper describing a new species of Chamaeleon from Africa. By Dr. 

 Benj. H. Coates, a paper on "The natural alliances of the genus Cecido- 

 myia." By Peter A. Browne, Esq., a portion of a paper containing stric- 

 tures on terms used in vegetable physiology. By Mr. William Gambel, 

 " Descriptions of some new and rare Birds of the Rocky mountains and 

 California." By the Messrs. Baird, of Carlisle, Pennsylvania, "Descrip- 

 tions of two new species of Tyrannula from Cumberland county, Pennsyl- 

 vania." By Professor Locke, of Cincinnati, "Observations on Crypto- 

 lithus tesselatus." By J. Hamilton Couper, of Georgia, " A description 

 of the strata in which were found the valuable fossil bones and shells 

 from the Brunswick Canal," presented by him to the Academy. By Dr. 

 Clapp, of New Albany, Indiana, a paper in reference to the geological 

 equivalents of that vicinity, and of those of the falls of the Ohio. By 

 Miss Morris, of Germantown, " Observations on the development of the 

 Hessian fly." By Messrs. Audubon and Bachman, " Descriptions of 

 new species of North American Quadrupeds;" and by Dr. Ravenel, of 

 Charleston, " Descriptions of several new fossil Scutellae." 



The communications made before the Society in a verbal form, and re- 

 corded in the Proceedings, are even more numerous, and contain much in- 

 formation on important and interesting facts in natural science. The 

 limits to which this Report is necessarily restricted, will only admit 

 of the mention of the names of those gentlemen who have most largely 

 contributed to this portion of the Proceedings. There are from Dr. 

 Morton, six communications ; from Prof. Johnson, twenty ; Prof. Rogers, 

 five ; Mr. S. S. Haldeman, four; Dr. B. H. Coates, three; Mr. Phillips, 

 two ; Dr. George C. Leib, three : Dr. Chaloner, four ; Mr. Joseph A. Clay, 

 one; Dr. Blanding, one; Dr. Bridges, two; Prof. Bailey of West Point, 

 one; Mr. Quimby, two ; Dt. Goddard, five; Mr. George R. Gliddon, 

 two ; Dr. Elwyn, one ; and from Dr. Owen, of New Harmony, two. 



This publication also records for the period mentioned, 219 donations to 

 the Museum of the Society from 110 individuals; and 281 donations to 

 its Library, 68 of which are from Societies, and 213 from individuals. 



Another most important advantage derived from it is in its general dis- 

 tribution to foreign and domestic Societies and Correspondents. Nearly 

 one hundred and fifty copies of each number as it appears are sent, not 

 only in every direction throughout the Union, but to various sections of 

 the globe, and a correct knowledge of the character and standing of this 

 Institution is thus widely diffused. 1 have transcribed from the Memo- 

 randum Book of the Corresponding Secretary, the following list of Socie- 

 ties receiving copies of the Proceedings, either regularly or as opportunity 

 offers : 



Royal Society of London ; Botanical Society of London ; Zoological 



