Parke, Davis & Co , 
MANUFACTURING CHEMISTS, 
DETROIT, MICHIGAN, U. S. A. 
LABORATORY AND GENERAL OFFICES 
BRANCH OFFICE AND WAREHOUSE:] 
Detroit: McDougal Ave., Atwater St , 
Joseph Campau Ave. and Guoin St. 
New York: 6o Maiden Lane. 
2 1 Liberty St, 
HERBARIUM DEPARTMENT. 
H. H. RU8BY, M. D. , CURATOR. 
For Exchange — Many thousands of specimens, to which we 
are constantly adding collections from our agents in various parts of 
the world. Physicians rraWing collections will do well to send us 
their lists, as we use many of trie common species in exchange. 
All vegetable forms (^sent in duplicate) named for the specimens. 
All packages from foreign countries should be sent to Parke, 
Davis & Co., 6o Maiden Lane, New York City. 
B e trei t y MiLh.r ' l} : 
■S-7T. . 
.IBB 
