Miscellanies. 377 



Lymneana. 



Phi/sa dUpticn. 



Li/mncea acuta. Near Philadelphia. 



eiilis. Ohio. 



imperialis. South America. 



Melaniana, 



Melania aculeus. Java ? 

 Melanopsis princeps. Cape of Good Hope. 

 maculata. Peru. 



Peristomiana. 



Paludina hi-monilifera. Alabama River. 



Burroughiana. Island of Luconia. 



Georgiania. Hopeton, Georgia. 

 AmpuUaria Hopetonensis. Hopeton, Georgia. 



Canalifera. 



lo spinosa. Holston River, Virginia. 



Every species described, is accurately figured ; and the dra;wings are 

 rendered as perfect as possible by coloring, — that Mr. Lea cannot 

 be accused of not placing the reader in a fair condition to form an 

 opinion of the value of his distinctions, as well as of the truth of his 

 descriptions. No one, can penise the work without the conviction 

 that it is one of great labor, of nice discrimination and good taste ; 

 nor without wishing that other lakes and rivers may send their Nai- 

 adian occupants to the author's cabinet, where their names and 

 family claims are likely to be so well determined. 



2. Dr. Morton's Synopsis of the Organic Remains of the 

 Cretaceous Group of the United States, (Illustrated by 19 plates,) 

 8vo. pp. 88. Philadelphia, 1834. — This volume presents an amen- 

 ded and more elaborate view of the valuable bbors of the above 

 named active and acute geologist. The substance of the work was 

 communicated to the public, through the medium of the Journal, — 

 (Vols. XVn, XVIII, XXII, XXIII, and XXIV.) Of the pres- 

 ent undertaking, the author says, that in consequence of fresh facilities, 

 several genera of organic remains are now for the first time noticed 

 as occurring on this continent, and it will be observed that many new 

 species of Testacea have been added to this edition ; that he has 



Vol. XXVIL— No. 2. 48 



