36 THE NAUTILUS. 



Family ENDODONTID^E. 



Pyramidula alternata, Say. Abbeville, Grenada and Columbus, 

 Miss., Tuscaloosa and Boligee, Ala. 



(To be continued}. 



NOTES. 



THE RAVENEL COLLECTION The museum of the College of 

 Charleston, S. C., has acquired the valuable conchological collection 

 of the late Dr. Edmund Raven el, of Charleston, which contains some 

 3,500 species of land, fresh-water and marine shells. 



LYMN^EA MEGASOMA SAY. Fine specimens of this rare species 

 have recently been taken at Lake Minnetonka, Minn., by Mrs. A. 

 W. Abbott of Minneapolis. 



PUBLICATIONS RECEIVED. 



NOTES ON JAPANESE, INDO-PACIFIC, AND AMERICAN PYRAMID- 

 ELLIDJE. By Wm. H. Dall and Paul Bartsch, (Proc. U. S. Nat. 

 Mus., XXX, pages 321-369, plates XVII-XXVI, 1906). This 

 valuable work on the PyramideUidae is based in part on the collec- 

 tion of the museum of Berlin loaned to the U. S. National Museum 

 for study. Some 22 new species are described and figured, and a 

 number of new names are proposed to replace those pre-occupied. 

 Three new subgenera Nisiturris, Bobella and Egilina are also defined. 



DESCRIPTION OF Two NEW NAIADS. By Paul Bartsch, (Proc. 

 U. S. Nat. Mus., XXX, pages 393-396, Plates 27-29, 1906). The 

 species are Nephronaias flucki from Nicaragua and Diplodon cmapen- 

 sis from Argentina. 



RECENT MOLLUSCA : A CATALOGUE OP OPERCULATE LAND 

 SHELLS. By G. B. Sowerby and H. Fulton. London, 1906. A 

 useful list of genera and species arranged " with slight modifications " 

 according to Kobelt and MollendorfF's catalogue. 



ANATOMY OF ACM.EA TESTUDINALIS MULLER, Part I. Intro- 

 ductory material. External anatomy. By M. A. Willcox. Reprint 

 the American Naturalist, Vol. XL, pp. 171-187, 1906. 



