Microscopical Shdes of Plants 
For Schools and Teachers of Botany Ale: 
@ These mounts are illustrative of. the prin- 
cipal. plant. groups showing life history and 
-methods of reproduction, and are put up~ 
by the Glycerine, Venetian Turpentine, and: 
Balsam methods. Filamentary forms of Algae 
a specialty. Limited amounts of — alcoholic 
material properly fixed for histological study 
can be supplied as also live fresh water algae 
in season. ¥ 
Slides of Algae, 20 cts. a piece, net : 
Write for Circular to the 
_ Director of the Botanical Laboratory 
~ Notre Dame, Indiana 
[@ By special request and pre-arrangement live forms in fruit 
of fresh water algae, prothallia, liverworts, mosses, etc., will be 
sent as desired, . It is necessary to send orders in a season ahead 
of time so that sufficient amounts can be provided, these to be 
sent when in their best condition. ] 
% 
For Sale or Exchange.—-A large supply of beautifully 
prepared duplicate plants from the seat of war. Dr. J. ~ 
. LUNELL, Leeds, N< Dak. 
For Sale. Original Half-tone Plates of Utterback:, 
W.1., Naiades of Missouri.. For conditions, enquire of. 
Eprror, Am. Mrp. Nat. G 
For Sale.— Miscellaneous numbers of Botanical f 
Gazette, Torrey Bulletin. B. KF. Busu, Courtney, Mo. 
