PARKE, DAVIS & OO., 
MANUFACTURING CHEMISTS, 
DETROIT, MICHIGAN, U. S. A, 
^ /-r-K.coAi rMrri/-trc . I Detroit: McDougal Ave., Atwater St., 
laboratory and general offices. -J Joseph Campau Ave. and Guotn St, 
BRANCH OFFICE AND WAREHOUSE: i New York: 6o Maiden Lane. 
V a I Liberty St. 
/ 218 Pearl St. 
HERBARIUM DEPARTMENT. 
H. H. RUSBY, 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 making collections will do well to send 
us their lists, as we use many of the common species in exchange. 
AH vegetable for ms (sent in duplicate) named for the specimens. 
Ail packages from foreign countries should be sent to Parke, 
Davis & Co,, 60 Maiden Lane, New York City. 
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