ADVERTISEMENTS. v 
The International Journal of 
Microscopy and Natural Science. 
EDITOR: 
ALFRED ALLEN, Bath, England. 
ASSOCIATE EDITORS: 
Pror. V, LATHAM, D. D. S., F. R. M; S., etc., Chicago nett er a U S A: 
AE ere EN EENT Se PE 
FREDERICK GAERTNER, A. M., M. D., etc, ag Pittsburgh, U, 
: . STEVENSON BROWN, President, ewe l Micro Soc., eai, Canada 
IL ANDRO VICENTINI, , Chieti, Italy. 
The following are a portion of the Contents a gee” 1893. , 
Polarise d Light, and its Application to the Mic ra { Illustrated.) G. H. Bryan, M. A. 
Reichert’s Hemometer. _( LIlustrated.) i 
The acto and Its Accessories. inira, F The 
A Device to take the place of the Camera Lucida in ren (Illustrated.) 
H. G. Piffard, M. D. 
A Midwinter Month by the Mediterranean. a bs Bryan, M. A. 
| ing Tissues and Sections of Tissues in V J: W.P laxton, M. D., Jamaica. 
i g. orn of Teeth for Histology Bi acti Prof. V. A. Latham. 
l The Bot f Man 
Microsco: sAd cal Techn 
; Half an hour at the ccs with the late Tuffen West, F. R. M. S., F. L. S., 
3 ( ieskai 4 Litho. plea) 
: Selected seas ma the Postal Micro. Soc. i Books. (Illustrated.) 
Notes, Queri Correspondence. Revie 
a United States and Cak $2.75 the year, post free. 
l Agent: M. A. BOOTH, F. R. M. S,, 
e. LONGMEADOW, MASS. 
PLASTER CASTS OF THE FOLLOWING MAMMALIA 
with dentition in good preservation, made under direction of 
Professor E. D. Cope may be had by application to Jacob 
Geisman, 2102 Pine St., Philadelphia. 
Phenacodus primaevus Cope, (Wyoming) $100.00. AZ» 
racotherium venticolum Cope, (Wyoming) $50.00. Protohippus 
micabilis Leidy, skull $7.00. Protohippus pachyops Cope, skulls 
of adult and young, and P. fossulatus Cope, ‘skull, $5.00 each. 
Tetrabelodon shepardit Leidy, mandibular ramus and symphysis 
With two molars, $20.00. Dibelodon tropicus Cope, do., $15.00; 
Mastodon precursor Cope, last molar $5.00. The horses and 
Mastodons from the Cenozoic beds of Texas, are uncolored. 
= he Cad SS ee cicet 
