31616 may 9,1942 HALL OF THE ACADEMY OF NATURAL SCIENCES, PHILADELPHIA, March 4, 1873. I hereby certify that printed copies of the Proceedings for 1872 have been presented at the meetings of the Academy, as follows: . April 16, 1872. September 3, 1872. LIST OF CONTRIBUTORS, With reference to the several articles contributed by each. For Verbal Communications see General Index. Berthoud, E. L. On Prehistoric Human Art from Wyoming and Co- Bland, Thos. and W. G. Binney. Notes on Lingual Dentition of Cer- Conrad, T. A. Descriptions and Illustrations of Genera of Shells.... N. C., and of Miocene Shells of North Carolina. 46 135 50 216 Finsch, Dr. O. Remarks on the "Synopsis of the Genus Chettusia Meehan, Thos. On Numerical Order in the Branching of some Coni- feræ.. 33 .... |