262 SCLENCOE. [N. 8. Vou. XIII. No. 320. 
dow. On the ‘wall opposite the windows hydrogen sulphide room, the other as a 
there is a continuous line of hoods extend- storeroom for keeping the stock bottles of 
ing from one end of the room to the other. reagents. 
RANA BA WS : ny . : Fone eons ere Hate eee rs i 
“Stes SERS ale eS) ee 
‘ 
ws 4h 
The Busch Chemical Laboratory. 
At each end of this large laboratory there On the south side of the corridor are the 
is a small room, one of these is used as a_ professor’s office and private laboratory, 
