THE JOURNAL OF MALACOLOGY. iii. 



THE MANUAL OF CONCHOLOGY. 



Founded by the late Geo. W. Tryon, jun., continued under the care of the 

 Conchological Section, Academy of Natural Sciences of Philadelphia, by 

 Henry A. Pilsbry, Conservator. 



The Manual of Conchology is a fully illustrated monography of recent 

 molluscs. Issued in octavo form, in quarterly parts. Each part comprises 64 

 (or more) pages of letterpress, and 15 to 20 plates. 



Two series are now in progress: the First Series, Marine Univalves, of 

 which fifteen volumes have appeared, finishing the series as planned by its 

 illustrious founder. A supplemental volume to this series will be issued this 

 year, to contain some families not heretofore considered. Of the Second 

 Series, Terrestrial Molluscs, nine volumes have been published completing 

 Helix with Index. A few copies of Vol. IX. of this series " Guide to the 

 Study of Helices " will be sold separately at the regular subscription price. 

 Separate copies of the Index can also be had at |i.oo each. 



The Monography of the Bulimi will be commenced in the tenth volume. 



The illustrations of the Manual have received high commendation, and are 

 fully equal to the best figures of shells published. 



Prices : — Plain (uncoloured) edition $3'oo per part. Coloured Edition $5-00 

 per part. Fine edition (both coloured and india tinted plates) |8'oo per part. 



Structural and Systematic Conchology, by Geo. W. Tryon, Jun. 



A Complete Conchological Text Book of 1,200 pages, 140 plates and 

 over 3,500 figures of Genera, Anatomy, &c. Three volumes bound in one, 

 Cloth. Price $ 600. 



For further information or descriptive circular, with sample plates of the 

 Manual, address : — 



S. RAYMOND ROBERTS, Treasurer. 



P. O. Address, GLEN RIDGE, NEW JERSEY, U.S.A. 



Special Announcement in tVlicroscopy, 



During the last few months, I have been busy preparing 

 many rare and novel objects for Microscopical purposes, and 

 have arranged them in Illustrated Series. The first of 

 these is the 



Microscopical Studies in Marine 

 Zoology. 



The series for 1895, consists of 14 splendid preparations, to 

 be issued in four quarterly instalments, illustrated b}^ over 

 100 pages of descriptive letterpress and 12 full-page 

 plates of photo-engravings drawn from life. 



Inclusive Subscription, 21s. post free. Full prospectus 

 on application. 



Microscopical Studies in Botany 



Consisting of 20 magnificent preparations of leaf-buds, flower- 

 buds and the like, accompanied by descriptive letter-press, and 

 20 specially beautiful photo-micrographs of the sections. 



Prof. J. W. Carr, University College, Nottingham, writes : — 

 " Some of your Botanical Slides are the most beautiful I have 

 ever seen." 



Subscription, 21s. post free. Full particulars on application. 



JAMES HORNELL, Biological Station, Jersey. 



