184 



shells alone, the animal being in all cases omitted. Con- 

 sidering the great variations which species of Melania are 

 known to exhibit, Dr. G. thought there was reason to ap- 

 prehend that many of the supposed species would prove 

 merely varieties. 



Dr. J. B. S. Jackson called the attention of the Society 

 to the injury which the button-wood tree has for several 

 years past undergone, from some unknown cause ; and 

 suggested the propriety of appointing a Committee to in- 

 vestigate the subject. Rev. J. Lewis Russell was chosen a 

 committee, with the request that he would communicate 

 the result of his observations for publication. 



Dr. Storer read a letter from Mr. J. P. Couthouy, relating 

 to the termination of the controversy between him and Mr. 

 James D. Dana, in which Mr. D. acquitted him from the 

 charge of plagiarism he had previously made against Mr. C. 



The report of the Librarian on the state of the exchange 

 list of the Journal was read, and it was Voted, that the 

 Corresponding Secretary write to Societies which have been 

 remiss in forwarding their publications, enquiring whether 

 they wish to continue the exchange, and notifying them of 

 the non-reception of their publications. 



Voted, that the future meetings of the Society, during 

 the summer, be held in the Hall of the Society, at 4 o'clock, 

 P.M. 



ADDITIONS TO THE LIBRARY. 



Annual Report of Commissioner of Patents, (Congressional 

 Doc.) 8vo. pam. R. C. Winthrop. 



Forskall, P. Flora iEgyptiaco Arabica. 4to. Haunise, 1775. 

 Amos Binney. 



June 19, 1844. 



Dr. Storer, Vice President, in the Chair. 



A communication from Mr. J. E. Teschemacher was read, 

 as follows : 



There are in this State very extensive palm-leaf manufactories, 



