BOTANICAL GAZETTE. 401 
_ supplied with a dissecting and a compound microscope, full out- 
fit of chemical appliances, ete., for which the student is held re- 
sponsible during his connection with the laboratory. Gas is also 
carried to each table. 
Elementary work is done in the laboratory with simple micro- 
: scopes made by Zentmayer at the request of Professor Rothrock.’ 
ltboratory is open from 8 to 12 and from 
— logical building is expected at some future d 
Wh 
el on the south. Long tables are Pp 
There are twenty-four compound microscopes, all by Zentmayer. 
Rooms are open from 9 to 5 o’clock each week day, but on Satur- 
Y no one is in attendance. 
Tn the basement are photographic rooms and aquaria. Works 
of reference are supplied in the building, and the extensive li- 
brary and herbarium of the Philadelphia Academy of Natural 
Sciences are also open to the student. For the prosecution of 
wmginal research, which is specially encouraged, all needed appli- 
tal provided, or if not already in hand are obtained as re- 
dire 
The laboratory. of Illinois University is a room 22 by 28 feet, 
‘ntaining twenty-four tables for one student each, the usual sup- 
Ply of water, gas and shelving, and is exclusively used for botany. 
There is also the professor’s laboratory, ip which is the herbarium. 
_ For elementary work with simple magnifiers the student pro- 
Vides his own outiit. The compound microscopes, U 
ih 4) a 
hops. 
hoist chambers, scales, ete. In the same building are good physt- 
fl and chemical laboratories, from 
may be borrowed. : < s 
A greenhouse near the laboratory is tributary to it. . 
1 to 5 o'clock. 
“ent quarters have been occupied since 1876, A special bio- 
ay. 
The botanical d f Michigan Agricu 
“ae epartment of M mee ily erect r bo- 
dices in the most imposing building: agree Gothic, com- 
stories contain 
The la 
to is 40 DY 
'Y On the first floor, also used as a lecture Agrees und glass 
et. It is lighted from east and west, an 
; ae ime. 
W, at which a number of workers may sit at a 
"This j is journal. 
This instrument is described at p. 37, Vol. II, of this journ® 
