257 



lau. Breslau. 8vo. — From the Observatory at Breslau. Dr. 



J. G. Galle. 

 Memorie della Reale Academia delle Scienze di Torino. Serie Se- 



conda. Tomo XI. Torino. 1851. 4to. — From the Royal Aca- 



demy of Sciences^ Turin. 

 Collections of the New York Historical Society. Second Series. 



Vol. II. Parts 1, 2. 1848,1849. N.York. Swo.— From the 



Society. 

 Report of the Secretary of War, communicating Reports in reference 



to the Inundations of the Mississippi river. Washington, Jan. 



21, 1852. 8vo. — From Hon. James Cooper. 

 The American Journal of the Medical Sciences. Edited by Isaac 



Hays, M. D., &c. &c. No. XL VI. New Series. April, 1852. 



Philada. 8vo. — From the Editor. 

 The Medical News and Library. Vol. X. No. 112. April, 1852. 



Philada. 8vo. — From Blanchard <^ Lea. 

 Proceedings of the Academy of Natural Sciences of Philadelphia. 



Vol. VI. No. 1. Philada. 8vo. — From the Academy. 



The Committee appointed to examine the collection of wools 

 presented by the King of Saxony to Peter A. Browne, Esq., 

 presented their report, and were, on motion, discharged. 



The Committee appointed at the meeting of the American Philo- 

 sophical Society on the 20th of February last, to examine and report 

 upon a collection of fine wools, presented by the king of Saxony to 

 Peter A. Bi'owne, Esq. of this city: — 



Report, That they have attended to the duty imposed upon them 

 by their appointment, and have received, from the kind politeness of 

 Mr. Browne, much aid and information in relation to the subject of 

 their inquiries. It is already known to the Society that the attention 

 of this gentleman has been for some time directed to the minute and 

 critical investigation of hair and wool, and that by means of assi- 

 duous microscopic and micrometric examination of these bodies he 

 has been enabled to arrive at results, some of which appear to have 

 been before unknown, and others, if known, very little noticed. 

 Among these, he claims the following: — 



That he was the first to point out the exact difTerence between hair 

 and wool; and that he originated the division of sheep into two spe- 

 cies, viz: the hairy and the woolly. 



That by the application of the well known laws of hybridism, he 



