WATSON PRESS. 



We offer a screw press of new pattern designed by JNIr. Thos. A. "Watson. It is 

 made of mahogany and consists of two frames of slats and two pairs of unattached 

 cleats, to which pressure is applied by means of an iron screw at each end. 



The construction is extremely simi)le. The press is light and strong and as all 

 the parts are detachable, it can be packed snugly for travelling. The slats can be 

 used alone as a portable press. List price, $2.52. 



CASES WITH TIN PIGEON=HOLES FOR HERBARIA. 



Proof against insects, dust, moisture, scorching; specially suited to dried specimens 

 of Mushrooms. Each tin, list, $1.00. Wooden case for four, list, $3.13. 

 Pasteboard boxes of fractional sizes to fit the above, for thick specimens. Prices 

 on application. 



CAMBRIDCiE BOTAIVICAli SUPPI^Y COMPAIVY, 

 1386 >Iassacliusetts Avenue (Opposite College Library), Cambridge, 

 EVERYTHING USEFUL TO BOTANISTS. 



yiaga. 



