ZOOLOGY AND BOTANY, MICROSCOPY, ETC. 271 
Van Heurck’s Vertical Camera for Photomicrography. — This 
camera (fig. 33) was exhibited at the February meeting by W. Watson & 
Fig. 33. 
Sons and is constructed on similar lines to the one employed by Dr. Van 
Heurck for all his high-power work. It consists of a mahogany body 
u 2 
