OF CONCHOLOGY. 87 



stices of a coarse gravel, a warm station in little pools of quiet 

 water along the margin of the stream, free access to the air, by 

 their proximity to the surface of the water, always within reach. 

 If you regard these remarks of sufficient importance, please 

 make use of them in any way that will promote the objects of 

 those who seek truth. 



Respectfully yours, 



James Lewis. 



Meeting May 5th, 1870. 

 Nine members present. 

 Mr. Tryon, Yice-Director, in the Chair. 

 Several donations to the Library and ^Museum were reported. 



The following papers were offered for publication in the 

 Journal : 



" Revision of the TerebratulidiC and Lingulida3 ;" by Wm. H. 

 Dall. 



"'Notes on Lingual Dentition ' by W. G. Binney and Thos. 

 Bland ;" Review by Wra. H. Dall. 



"Rectification of the Synonymy of certain Species of Margi- 

 nella ;" by John IL Redfield. 



Meeting June 2(1, 1870, 

 Dr. Ruschenbkrger, Director, in the Chair. 



The two following papers were off'ered for publication, and re- 

 ferred to Committees : 



" Catalogue of the Recent Species of the Family Melanidae ;" 

 by Aug. Brot, M.D. 



"Notices and Reviews of Nev/ Conchological Works;" by 

 Geo. W. Tryon, Jr. 



A letter was read from Prof. ^L McDonald, of the A^irginia 

 Military Institute, at Lexington, Ya., reporting the occun-ence 

 there of living Ilelieina occulta. Say, in immense quantities. 

 The species was supposed to be extinct until discovered two or 

 three years since by Prof. McDonald. It has also occurred, 

 rarely, at Milwaukie, Wisconsin. Individuals were found by 

 Prof. McD. upon the stems and leaves of plants in some cases 

 at an elevation of two to three feet above the surface of the 

 ground. 



