402 BOTANICAL GAZETTE. 
The elementary course, with simple microscopes, permits most 
of the work to be done outside the laboratory. Coddington lenses 
with convenient supports are chiefly used. The supply of com- 
pound microscopes is at present ample (27), and with funds for 
the purchase of others as needed. The makers are Zentmayer 
(1), Sidle (1), Berlis (6), Klein (1), Wales (5), Bullock (1), Bauseh 
& Lomb (11), and one by Ross not now used. 
The herbarium and library in the same building are fair size, 
and meet the needs of undergraduate study. A conservatory and 
a fine botanic garden, including aquatic plants, a few steps away, 
and a virgin flora in the vicinity, furnish plenty of excellent ma- 
terial. This laboratory has long been noted for the observant 
and independent work of its students. 
At the University of Michigan a microscopical laboratory was 
established in 1874 for animal and vegetable histology ; since 
room 40 by 20 feet in the third story of the main building. It 
is well lighted by eight windows and furnished with movable 
Sciences Naturelles and Botanische Zeitung, are at the service - 
students. Another room is devoted to the herbarium. The 
laboratory is open each week day from 8 to half-past 12 o’clock. 
few students each year pursue special investigations, the ex- 
cellent quality of which is already well known to our readers. 
The friends of the institution earnestly hope the regents may soon 
find it feasible to enlarge and more fully equip the department, 
which has shown itself very worthy of support. 
truncated wedge-shaped table, at which two can sit on either side 
and one at the narrower end furthest from the window. By this 
arrangement five can comfortably see at each window. 
he work with simple magnifiers is mostly done outside the 
laboratory. There are twenty compound microscopes, partly made 
