182 AMERICAN JOURNAL 



rest to the Section. A late paper by A. G. More, in the An- 

 nals and Magazine of Natural History, gives, ostensibly for the 

 first time, an account of the animal of Limncea involuta, Har- 

 vey. The description of tliis species was read by Mr. Harvey 

 to the Linnean Society in April, 1834, but the description was 

 first published in the Annals of Nat. History, v, 1st series, p. 

 22, March, 1840, by W. Thompson, Esq., with a thorough 

 account of the form and anatomy of the animal by John Goodsir, 

 Esq. In view of this fact, it is extraordinary that thirty years 

 after, in the same periodical, the animal should be described 

 again, as for the first time." 



The following papers were presented and referred to Commit- 

 tees : 



" On the Relations of the Amphiperasid?e ;" by Theo. Gill. 



"Notes on the Land Shells of East Tennessee;" by Jas. 

 Lewis, M. D. 



"Descriptions of New Fossil Shells of the Upper Amazon; 

 by T. A. Conrad. 



" Descriptions of new Tertiary Fossils, with Notes on two 

 genera of Lamellibranchiata ;" by T. A. Conrad. 



"Notes on Lingual Dentition, No. 2;" by W. G. Binney and 

 Thos. Bland. 



"Notices and Reviews of New Conchological Works ;" by G. 

 W. Tryon, Jr. 



A specimen of Unio cylindricus^ Say, from the Wabash river, 

 was presented by Mrs. L. W. Say. The pattern of coloring of 

 the epidermis in this specimen consists of broad and narrow 

 green rays, disposed on a yellow ground. Very few rayed 

 specimens of the species are known to science. 



Meeting Nov. M, 1870. 

 Dr. RusCHENBERGER, Director, in the chair. 



Several donations to the cabinet and library were announced. 

 The following papers were presented for publication : 



" On the Limpets, with special reference to the species of the 

 West Coast of America, and to a more natural Classification of 

 the Group;" by Wm. H. Dall. 



"Shells of the Holston River;" by James Lewis, M. D. 



