THE MANUAL OF CONCHOLOGY. 



""•■ -^ 9 -» 



Founded by the late Geo. W. Tryop, Jr., and continued by Henry A. Pilsbry, Sci. D., 

 for the Academy of Natural Sciences of Philadelphia. 



The Manual of Conchology is a fully illustrated monography of recent mol'.usks- 

 Issued in octavo form, in quarterly parts. Each part comprises 64 (or more) pages of 

 letterpress, and 15 to 20 plates. 



The FII^SW Series, Marine Univalves, of which seventeen volumes have appeared, is 

 now finished as planned by its illustrious founder. Of the SEGOND SERIES, Terrestrial 

 Mollusks, Eighteen Volumes have been published, completing Helix with index. A few 

 copies of Vol- DC of this series, "Guide to the Study of Helices," will be sold separately at 

 the regular subscription price. Separate copies of the Index, suitable for the purpose of a 

 Catalogue or Check list, can also be had at §1.00 each. 



The Monograph of the Bulimi is now completed with Index. Separate copies of Index, 

 SI. 00 each. 



The Monograph of the Urocoptida; has also been completed, and Vol. XIX is now in 

 progress, fnishing the study of the Achatinidm. 



Prices:— Plain (uncolored) edition, §3.00 per part. Colored edition, §5.00 per part. Fine 

 edition (both colored and India-tinted plates), $5.00 per part- 



For further information or descriptive circular, with sample plato of Manual, address 



S. RAYMOXD ROBERTS, Treasurer, 



P. O Address, GLEN RIDGE, SEW JERSEY, U- S A. 

 An illustrated CATALOGUE OF JAPANESE MARINE MOLLUSKS, by F. Stearns 

 and II. A Pilsbry. Puper, $2.50. 





g H 



^ 9- w£-i 



m 



1* {B 

 B a m 



m en m m m g 



Km -H 



m m mn — zft§ 



A^^IS ffi % % % 



>m 



rm Jit 



*&mmm & n\ *f ¥ | 5 *^m 

 m ft % w m m m±)\ g 



mrattgi J » n m 5+ + 



•}£<£■& 



IM.M.I 



lit U fiR gR 



-JL--1- 





eGgO ■£ 



££&_ 



JS-KfS S§ 



Mil ^ 



m&&%. 



%%%m 



nnn 



mm 



^P^PS: 



W£&. 



-4>s 



-mil 



1 !i* 



— 3± 



,~ BE., 



nr p= 



<-> m. 



•if a. 



1*4 



3* 





£±£ 



^4^ 



S *S 



HHIS 



'tsM'Tfru 



o oo oo 

 rt mm mm 



& lift r~\ 



r,f **&'.** ft 



fr 







-R*il 13 ■ 



7 In F»JH5S¥4+ 



1-12 fg = 









am: 



m a 



