KODAK FINISHING 



We Guara?itee to get the best possible results from 



your exposures. Mail orders attended to 



promptly. Catalogue and Price List Free 



The Smith Sporting Goods Company 



TUCSON, ARIZONA 



Bargain Lots of Cacti 



No. 1 Four Species $1.00 



Including Mamillaria, Echinocereus, Platopuntia, and Cylin- 

 dropuntia. 



No. 2 Four Species of Opuntia $1.00 



Not duplicating the above; and including two Platopuntias 

 and two Cylindropuntias. 



No. 3 Four Species $2.50 



Contains no Opuntias and no duplicates with Lots 1 and 

 2. Includes Cereus giganteus. 



No. 4 Twelve Species $4.00 



Being a combination of the above three lots. 



No. 5 Twelve Species of Opuntia $4.00 



Comprising Lot 2 and eight other species, including Opuntia 

 Bigelovii. 



No. 6 Twenty Species $10.00 



A fine diversified lot and a great bargain. Includes Cereus 

 giganteus, Echinocactus Wislizeni and Echinocereus rigid- 

 issimus. 



THE PLANT WORLD, TUCSON, ARIZONA 



EFFICIENCY 



The Principles of Scientific Shop Management are Applied by us to the 



Printing Business 



We manufacture this Journal. In addition we produce 25 other scientific and technical 



publications and a large number of books and catalogues. 



All are handled on a definite schedule maintaining the highest standard of mechanical 



workmanship. 



WAVERLY PRESS 



WILLIAMS & WILKINS COMPANY 2419-2421 Greenmount Ave, Baltimore, Md., U. S. A. 



