December, 1843.] 321 



donations to library. 



Notice of some new works recently published on the nomen- 

 clature of Zoology. By Augustus A. Gould, M. D. (Ex- 

 tracted from Vol. xlv., No. 1, of American Journal of 

 Science.) From Dr. Gould. 



Monograph of the species of the genus Pupa found in the 

 United States. By Augustus A. Gould, M. D. From the 

 same. 



WRITTEN COMMUNICATIONS. 



A letter was F read from the Rev. Adam Sedgwick, dated 

 Cambridge, England, November 7th, 1S43, acknowledging 

 the reception of his notice of election as a Correspondent, and 

 tendering his services in any way conducive to the interests 

 of the Academy. 



VERBAL COMMUNICATIONS. 



Dr. Chaloner called the attention of the Society to a number 

 of very fine specimens on the table of fossil bones of the Mastodon 

 and Elephant, brought by Mr. S. H.Whipple, from Benton Coun- 

 ty, Missouri, and forming part of a large collection in his posses- 

 sion, and now arranged for inspection in this city. A list was 

 presented by this gentleman, with an estimate of the weight of 

 the specimens, which he supposed to exceed 2000 lbs., accompa- 

 nied by the following statement: 



"These bones were found in the County of Benton, Missouri, 

 about one half mile from the river Osage, 70 miles south of the 

 Missouri river, at Boonville, in north latitude 38 10', and west 

 longitude 16 40'." After adverting to the character of this 

 portion of the county, which is broken up into ridges and rocky 

 elevations of considerable extent, with intervening vallies, through 

 which pass small streams of water, he says : "In one of the val- 

 lies referred to, just at the point where a fertile bottom is connec- 

 ted with a more elevated region, is a small marsh, perhaps of an 

 acre in extent. One half of this marsh is covered by a soil differ- 

 ent from that composing the marsh itself. This soil appears to 



