DISSECTING MICROSCOPES 
of every size, style and price, suited 
or all kinds of work. 
A new series of lenses 
for dissecting work have 
recently been perfected by 
us which have unusually 
long working distance and 
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Lens Holder for Anatomical Work. 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. 1} Catalog free. 
Sample copy JOURNAL OF APPLIED MICROSCOPY on request, 
BAUSCH & LOMB OPTICAL CO. ue 
NEW YORK OFFICE: 
35th Street and Broadway, ROCHESTER, N. Y. stata and Washington Rui 
Townsend Bldg. 
BOOKS ON SCIENCE 
Bergen's Foundations of Botany . . . . . «$1.50 
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Moore’s Laboratory Directions for Beginners i in Bac- xe 
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Brown's Physiology for the Laboratory. . + > E d 
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Davis’ Elementary Meteorology ie ee oe 
Williams’ Elements of Chemistry _ Eze Xu Wo v 
Hastings and Beach's General Physics . . + + — 215 
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Stone's Experimental Physics . + + + * 
Young's General Astronomy +--+ + * * + 
Byrd’s Laboratory Manual in Kutvescmy- A one EE 
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