Journal of Entomology and Zoology — Advertising Section 



iSSL 



The New Home Balopticon 



Equipped with a nitrogen-filled Mazda lamp which gives a 

 brilliant illumination and a clear definition. Is superior to 

 anything j'et offered in this type of apparatus. Write for 

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

 Lantern Slide Attachment. 



Bausch & Lomb Optical Co. 



Factory, Rochester, N. Y. 154 SuttCf Street, San FfancisCO 



Also manufacturers of Bacteriological Apparatus, Centrigu^es, Microscopes, Laboratory Apparatus, 

 Magnifiers and Photomicrographic Apparatus 



CLASS WORK MATERIAL 



CAN BE PROCURED AT ANY TIME OF 

 THE YEAR FROM 



C. S. BRIMLEY, Zoologist 



I 1 35 Newberne Avenue 



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



Twenty-one years' experience 



Price List on Application 



GRIFFITH 



Incubators 



A simple, well constructed bacteriolo^ 

 ical incubator 



The Journal of 

 Parasitology 



A Quarterly devoted to Medical 

 Zoology 



This journal will be a medium for 

 the prompt publication of briefer 

 papers and research notes on animal 

 parasites. Emphasis laid on the mor- 

 phology, life history and biology of 

 zooparasites and the relations of ani- 

 mals to disease. 



Subscription, $2.00 a volume 



Managing Editor, 



HENRY B. WARD, 



Univ. Illinois, Urbana, 111. 



