PROCEEDINGS 



OF THE 



ACADEMY OF NATURAL SCIENCES 



OF PHILADELPHIA. 



Vol. I. AUG. SEPT. & OCT., 1842. Nos.17,18,19. 



STATED MEETING, August 2, 1842. 

 Vice President Morton in the Chair. 



DONATIONS TO MUSEUM. 



Two Scorpions from the Isthmus of Darien. Presented by 

 Mr. Wm. L. Ilobson through Mr. J. B. Quinby. 



A Collection of Plants (seventy-two species) from Germany, 

 France, Switzerland, Bohemia, and this country. Pre- 

 sented by Geo. Engelmann, M. D., of St. Louis, Missouri. 



Specimens of Physa aurca, Lea, and Paludina Nickliniana, 

 Lea. Presented by Mr. Philip II. Nicklin, through Mr. 

 Phillips. 



Mr. Phillips also presented from Mr. Haldeman the fol- 

 lowing Shells: 



Helix annulata, Sow. Nncula tenuisulcata. 



Helix nmntieula, Sow. Nucula tenuis. 



'JYrebratula Septentriunalid. Neritina . 



29 



