[January, 1844. 



DONATIONS TO LIBRARY. 



Zoological contributions, No. 2. By S. S. Haldeman. Dec, 

 1843. From the Author. 



A series of printed labels for Egyptian and Austrian plants. 

 From Mr. Haldeman. 



Annales des Mines. 4 me - Serie. Tome 3. Li v. 1. In ex- 

 change. 



Monography of the Unionidae. No. 13. By T. A. Conrad. 



From the Author. 

 Boston Journal of Natural History. Vol. IV. No. 3. 1843. 



From the Boston Soc. of Natural History. 



A letter was read from the President of Harvard Univer- 

 sity, Cambridge, Mass., dated November 11th, 1843, acknow- 

 ledging the reception, by the Corporation, of a donation from 

 the Academy of several volumes of its Journal, and an 

 entire copy of the Proceedings. 



A letter was read from Dr. Frederick Tamnau, of Berlin, 

 soliciting an exchange of minerals of this country for a large 

 number of those of Germany, &c, sent by him to the Aca- 

 demy. Referred to the Geological and Mineralogical Com- 

 mittee. 



Dr. Morton (Prof. Johnson in the Chair,) exhibited the 

 cranium of a species of Hippopotamus, supposed by him to 

 be new, found on the banks of St. Paul's river, West Africa, 

 and brought to this country by Dr. S. M. E. Goheen. Dr. 

 Morton made some brief general remarks in relation to this 

 specimen, and pointed out some of the prominent characters 

 by which it was distinguished from other well known and 

 described species, and promised a fuller and more accurate 

 description to the Academy, in a written form, at a future 

 meeting. 



