crosGopes 



50 Styles to Select From 



Journal of Applied Microscopy $1.00 Per 

 Year 



Laboratory Apparatus 



For All Purposes 



Photographic Lenses 



For Ordinary and Microscopic Purposes 



Chemicals 



AND CHEMICAL APFABATUS 



Estimates for Import 



Large Stock Always On Hand 



Catalogue of All Lines Free 



Bausch &, Lomb Optical Co., 



New York Eoclieater, N. Y. 



Chicago 



" The Nation's pleasure ground and sani- 

 tarium." 



THE 



ADIRONDACK 



MOUNTAINS 



The lakes and streams in the Adi- 

 rondack Mountains are full of fish ; 

 the woods are inviting, the air is filled 

 with health, and the nights are cool 

 and restful. If you visit this region 

 once, you will go there again. An 

 answer to almost any question in re- 

 gard to the Adirondacks will be found 

 in No. 20 of the "Four-Track Series," 

 ' ' The Adirondacks and How to Reach 

 Them"; issued by the 



ISHEW YORK CENTRAL 



A copy will be mailed free on receipt of 

 a two-cent stamp, by George H. Daniels, 

 General Passenger Agent, Grand Central 

 Station, New York. 



The New Radfo-fictive Element 



We are the sole agents for the New Spinthariscope, re- 

 cently invented by Sir William Crookes for showing the 

 marvelous radio-active properties of radium; also the 

 spinthariscope slides arranged for viewing these phe- 

 nomena with any microscope. Each instrument is 

 complete with particle of radium and flourescent 

 screen for viewing the scintillations. 



The Spinthariscope, po»>tpald, - • ii>9.00 

 " The Spinthariscope Slide, postpaid, ?.50 

 Duty free prices to schools and colleges. Send for circu- 

 lar ; also cataloguesof microscopes, stereopticonsand slides. 

 Agents for E. Leltz and R. <fc J. Beck Microscopes. 

 Williams, Bronn&Earle.Dept. N. 918CIieslnut St.,PIiilai!elphis. 



^ PSYCHOLOGICAL ^ 



^ APPARATUS .^ 



A list of psychological apparatus supplied 

 to tlie laboratories of Columbia, Harvard 

 and other leading universities will be sent 

 on application. 



Special apparatus and instruments for psy- 

 chological and physiological research will be 

 made to order. Designs will be submitted 

 for original apparatus for the solution of 

 special problems. 



E. HORSTMANN, 



546 W««t J 25th St., NEW YORK CITY 



UALITY^RICE 

 REMAIN^ 



THE SAME 



WITH 



UNEQUALLED 

 IN 



furify and flavor. 

 CAN 



«Wsi^«S5i?!li5L*. 



