TERMS FOR ADVERTISING. 



Fpll Page, 

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 Quarter Page, 

 Eighth Page, 



One Insertion. 



$5 00 

 3 50 

 2 50 

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Two InfeitioDS. 



$8 00 

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NOW READY, 



Volume V. [comphling the icork.) 

 By JOHN GWYN JEFFREYS, F. R. S., Etc. 

 E.ich volume has a colored frontispiece and eight plates to illustrate the 

 genera, and the last volume has 102 supplementary plates, with figures of all 

 the gpecies and principal varieties of the shells, being altogether 147 j)lates. 



'■•' ' ' ■••• •->'•'• ^^ o.. .^ -'-)red. The 



A6\ /^ 



l^ttrarg of tijc glxtseum 



OP 



COMPARATIYE ZOOLOGY, 



AT HARVARD COLLEGE, CAMBRIDGE, MASS. 

 iFountrcti 1)» jirfbate subscrfptfon, fn 1861. 



No 



.^U^^' 



R Row. 



TS. 



'the same 

 f the pur- 



Iclphia. 



CTOKS. 



•be'ls and 

 ces abont 

 and is the 

 tate Cabi- 



Cal., 

 I, Phila. 



TO OOlSrClBIOX^OOISTS. 



FOR SAL.E, a very large collection of BOOKS relating to Conchology ; 



also several thousand named species of SHELLS. 



The above being duplicates, we are anxious to dispose of them at very low 



prices. For particulars, address 



E. J. NOLAN, M. D., 



Conservator of Conch. Sect. Acad. Nat. Sciences, 



Cor. Broad and Sansom Streets, Phila. 



