ACADEMY OF NATURAL SCIENCES. 31 



North-Western Territory; and Mrs. Wm. S. Biddle, a collection 

 from Barbadoes. 



In 1844, Mr. Jacob Snyder, Jr. presented 300 specimens of 

 Alpine plants ; and a donation of 47 species, collected in Missouri, 

 was received from Dr. Engelman. 



In 1845, Mrs. Rachel Blanding presented a collection of plants; 

 and in 1846, Dr. Engelman presented 100 species collected in 

 Texas. 



In the years 1847, 1848, and 1849, several donations were re- 

 ceived, and Mr. R. C. Taylor presented a collection of ferns from 

 New Granada. 



In 1850, Mr. Henry Etting, U. S. Navy, presented a collection 

 of plants from the Grand Canary, and the adjoining islands ; Mr. 

 R. W. Ravenel, of S. C., 131 species, chiefly cryptogamous ; and 

 the Royal Society of Van Diemen's Land, 150 plants indigenous 

 to New South Wales. 



In 1851, donations were received from Mr. John Hooper, of 

 New York, and from Dr. Hopkinson, U. S. Navy. 



With the exception of the Mencke" collection, all the donations 

 have been incorporated into the herbarium of the Academy, which 

 is arranged according to the natural system of Jussieu. This work 

 has been accomplished at different periods by the labors of -Mr. 

 Nuttall, Dr. C. Pickering, Dr. Carson, Dr. Goddard, Dr. Bridges, 

 and Dr. Zantzinger. 



Besides the plants, this department comprises about 1,000 spe- 

 cimens of fruits, and seed-vessels ; and a collection of samples of 

 different kinds of woods. 



ETHNOLOGY. 



In the department of ethnography the property of the Acade- 

 my is not very extensive ; but if the collections which are on 

 deposit be included in the account, it is large and valuable. 



In the cases on the south flying-gallery there are 968 human 

 crania, including 26 casts of crania, of which 50 belong to the 

 Academy. The rest, 918, constitute the collection deposited by 

 the late Dr. Morton. Of the whole number, 690 were presented 

 to him by 138 donors, a fact which shows the number of friends 

 Dr. Morton interested actively in his favorite branch of natural 

 science. This collection is one among the striking monuments of 



