54 
6) LANTERN SLIDES, showing recent results in the pho- 
tomicrography of the central nervous system, from prepa- 
rations after methods of Golgi, Cajal, Strong, and others, 
by O.S. Strong, Biol. Lab. Col. Coll. X 195 diameters, 
and reduced. 
c) LANTERN SLIDES, showing recent results in photomicrog- 
raphy of Bacteria, from preparations by T. M. Chees- 
man, M.D., Bacteriological Lab. Coll. Phys. and Sur. 
1000 diameters. From Photographic Lab. Dept. Path., 
Coll. Phys. and Sur. Col. Coll., New York. 
328. LANTERN SLIDES of flowers, colored by hand. From C. 
Van Brunt. 
329. A TRIPLE LANTERN IN OPERATION, showing the projection 
in three primary colors of lantern slides so combined as to 
produce the effect on the screen of a picture in natural colors. 
R. D. Gray, New York. 
330. DEVICE to facilitate focusing with the fine adjustment of 
the microscope in photomicrography. From F. D. Skeel, M.D., 
New York. 
331. PANORAMIC CAMERA. From Scovill & Adams, New York. 
