Q24 ; ‘’HE MICROSCOPE. 
EXCHANGES. 
This department is for the benefit of SUBSCRIBERS who have microscopical apparatus 
material or books which they wish to exchange, and such wants will be INSERTED FREE OF 
cHaRGE. The number of insertions given will depend upon the number of exchanges 
received each month. Subscribers will please notify us when articles have been exchanged 
or sold. Dealers are referred to our advertising department. 
O EXCHANGE -Vols. V and VI of THE Mickoscopg, which I will sell for $2.50 and 
take cover-glasses as pay—!4 and %, avd some square. 
A. MILLER, North Manchester, Ind. 
OR EXCHANGE—A Hailes ‘‘ Poly-Microtome’’ (an automatic microtome for freezing 
or paiaffia-enibedding), in exchange for a Kodak camera, or other good “ detective.” 
C. E. HANAMAN, Box 27, Troy, N. Y. 
aye copy of each of the following numbers of The Microsenp tog Buuetin, Vol. 
I, No. 5, August, 1884, and Vol. Ii, No. 1, February, 1885. For either of them, I will 
send a first-class microscopic slide, or for both I will send three slides 
M.S. WIARD, New Britain, Conn. 
OR SALE CHEaP—A Bausch & Lomb Universal Microscope complete, with objectives 
and accessories, perfectly new. Address 
PROF. C. F. EMERY, Ocean Springs, Miss. 
ee Ito Vl of THE Microscopr. Apply, stating price, to this journal. 
; OR EXCHANGE-—A large variety of minerals and rocks, some polished; also foss ils 
aud reptiles in fluid, for mounts. Address, 
PROF. J. E. TALMAGE, Salt Lake City, Utah. 
‘LIOR SALE—First-class duplicate objects, five fer $1. You can get es objects in and 
class you may name, except pathological; but no time for lists. If you do not get $1 
worth, money will be returned on day after slides are returned. 
E. C. HOYT, 215 Howard St., Detroit, Mich. 
OK SALE—Vols. 1V, V, VI, VII, of THz Microscopgr, bound in two volumes; fourth 
edition of Wyeth’s ‘‘The Microscopist;’"’ Marsh’s ‘‘ Section Cutting,”* and Phin’s “How 
to Use the Microscope.’’ For cash BNE 
H. M. RICHARDS, 27 Ellery St., Cambridge, Mass. 
OR SALE—A Bausch and Lomb Model Microscope (No. 521 of their catalogue), as good 
as new, having been used but a few times. There are two objectives, a 1 inch and a 
% inch, one 2 inch eye-piece, camera lucida, ete. Everything in perfect order. Will be 
sold cheap. Correspondence solicited. Address, 
8S. G. ROBBINS, Siverly, Pa. 
AeA Tae Microscope, Vol. I to VI inclusive. 
W. E. SWIGERT, Spencer, Owen Co., Ind. 
ANTED—Several good objectives and eye-pieces; must be in first-class condition. 
State full particulars. Also want unmounted material. Will exchange or buy. 
Correspondence invited. CHAS. VON EIFF, 20 Palmetto St., Brooklyn, N. Y. 
ANTED—Histological and pathological material to cut on the halves. Nothing but 
first-class material desired. Address C. B. CLAPP, M. D., Danville, Ill. 
OR SALE—Choice slides of encysted trichina spiralis in muscles of cat, with cystic 
plexus of capillaries injected red; very fine. rite at once for these novelties. 
FRANK §&. ABY, lowa City, lowa. 
BRARE MOUNTS for sale or exchange: hair of Ornithorhynchus paradoxus; mummy 
cloth, three thousand years old; sections of bark from Charter Oak tree. Address 
PROF. H. M. WH):LPLEY, St. Louis, Mo. 
ithe EXCHANGE OR SALE—For microscopical materials or offers: A good Toepler- 
Holtz Electrical Machine, 12}2 inch revolving plate, and current breaker, Leyden 
jar, Grissler tubes and numerous other sccessories, 1he whole costing about $60. Will 
«xchange for a good microscope, and pay difference. Correspondence solicited. 
F. F. WOOD, Prin. Blair Graded School, Blair, Wis. 
OR SALE—A B. & L. Section Cutter, glass top, and micrometer screw, in perfect order. 
good as new, cost $7 50; will sell for $5. 
H, F. WEGENER, 1305 § Tenth St., Denver, Col. 
