Journal of Entomology and Zoology — Advertising Section 



■ ^ ■ " ■••WOOOOOWlb^ 



The New Home Balopticon 



Kcjuiijpcd with ;i iiitrofjen-fillcil Mazda lamp which ji:ivcs a 

 brilliant illumination and a cdear definition. Is superior to 

 anvthinij: yet offered in this type of apparatus. Write for 

 booklets. $35.00 for Opaciue Projection only: $45.00 with 

 Lantern Slide Attachment. 



Bausch & Lomb Optical Co. 



Factory, Rochester, NY. | 54 Suttcf Street, San FfanClSCO 



Also manufaclurors of Bacterioloprioal Apparatus, rontriputres, Microscopes, Laboratory Apparatus, 

 Magnifiers and I'tiotouiicrograpliio Apparatus 



New No. 65 

 Spencer Microscope 



ADVANTAGES 



EXTRA LARGE STAGE, 112 x 108mm. 



ARM 75mm FROM OPTICAL AXIS. 



LOW COMPACT construction. 



BLACK LACQUERED BODY TUBE. 



GENUINE VULCANITE COVERED STAGE. 



IRIS DIAPHRAGM OPERATED BY A KNURLED 

 RING EASY TO REACH. 



AUTOMATICALLY LUBRICATED FINE AD- 

 JUSTMENT BEARINGS. 



NEW TYPE HANDLE ARM. 



SYMMETRY OP OUTLINE. 



BEAUTY OF FINISH. 



SUPERIOR OPTICS. 



IDEAL FOR LABORATORY WORK 

 Send for Revised Price List for 1914 



Spencer Lens Co. 



BUFFALO, N. Y. 



Mn <^^R 16min and 4mm objectives 

 nu. KJOU Double nosepiece 



One eyepiece 



Cabinet «7( Cft 



Discount to schools «poi.c>v 



CLASS WORK MATERIAL 



CAN BE PROCURED AT ANY TIME OF 

 THE YEAR FROM 



C. S. BRIMLEY, Zoologist 



I 135 Newberne Avenue 



RALEIGH, N. C. U. S. A. 



Twenty-one years' experience 



Price List on Application 



