GRAND WORK ON CONCHOLOGY 
Kiener’s Species General et Iconographie des Coquilles Vivantes. 
Continué par le Dr. P. FISHER, Aide-Naturaliste au Museum d'Histoire 
Naturelle. Complete in 165 parts, forming 12 volumes with 902 plates, 
superbly colored after the natural specimens. Edition on vellum paper. 
4to. Published at 1800 francs, offered at $250. 
The above well-known work on shells and one of the finest ever produced 
— the plates being accurately and carefully colored by competent artists — is 
especially worthy the attention of naturalists and librarians on account of the low 
price at which it is offered, being less than half the cost of importation. 
C. A PRICE. 
IMPORTER OF FOREIGN BOOKS, 
1004 Walnut Street, Philadelphia, Pa. 
DISSECTING MICROSCOPES 
of every size, style and price, suited 
for ail kinds of work. 
A new series of lenses 
for dissecting work have 
recently been perfected by 
us which have unusually 
long working distance and 
large flat field. These 
— lenses are offered at 
prices less than any lenses of equal quality heretofore 
in use. The new Dissecting Stands are all nickeled 
metal with glass stage. [3- Catalog free. 
Sample copy JOURNAL. OF APPLIED MICROSCOPY on request. 
orna PAUSCH & LOMB OPTICAL CO. 
Lens Holder for Anatomical 
NEW YORK : CHICAGO OFFICE: 
25th Street and 3 Se ge State and Washington Streets 
Broadway, ROCHESTER, N. Y — 
PUBLICATIONS OF THE UNIVERSITY OF PENNSYLVANIA 
SYLLABUS OF LECTURES ON THE 
VERTEBRATA. 
By the late Proressor E. D. COPE. 
With Introduction by HENRY FAIRFIELD OSBORN, Sc.D. 
8vo. Cloth, $1.25; paper, $1.00. 
BOSTON, GINN & COMPANY, AGENTS 
