PARKE, DAVIS & CO^ 
MANUFACTURING CHEMISTS. 
DETROIT, MICHIGAN, U. S. A, 
/^irMC7P>*i /->rrri^cc Detroit: McDougal Ave. I Atwater St., 
laboratory and general OFFICES:^ Joseph Camp.u Ave. and Guoin St. 
BRANCH OFFICE AND WAREHOUSE: \ New York: 6o Maiden Lane. 
^ 2 1 Liberty St. 
I 218 Pearl St. 
HERBARIUM DEPARTMENT. 
H. H. RUSBY, M. D. , CURATOR. 
Por 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. 
All vegetable forms (sent in duplicate) named for the specimens. 
All packages from foreign countries should be sent to Parke, 
Davis & Co., dO Maiden Lane, New York City. 

la a.-A- 
triZ- 
— 
\ I 
\ 
( 
I 
1 / 
/ 
