vi i ADVERTISEMENTS. 
The International Journal of 
Microscopy and Natural Science. 
ALFRED ALLEN, Bath, England. 
ASSOCIATE EDITORS: 
Enor AM, D. D. M F. R. M. S., etc., Chicago University, a S. A: 
FR DERICK € GA AERTNER. et ein du D, etc., Piusburgh, Pae US 
E STEVENSON BROWN, Presi Mont treal Micro Soc., Mo ntreal, sales 
FILANDRO VICENTINI, M. D. P Chieti, Italy. 
The following are a portion of the Contents cie January, 1893. 
Polarised Light, = its Application ag ie Mic eka Ue ) G.H. Bryan, M. A. 
Reichert's Hzemometer. HOMME rated.) F. Gae 
The Microscope em Its Accessories. (Illustrated. i ’ The 
A Device to take the place of the Camera Lucida in Dialer raa ) 
H. G. Piffard, M. D. 
A Midwinter Month by tee Mae G. H. Bryan, M. A. 
Soaking Tissues and Sections of Tiss n Water. J. W. Piston! M. D., jene 
ni gigs S ELM e Teeth or aor. and Bacteriology. Prof. V. A. Latham 
The Bot-F 
Microscopical Techni iq 
‘Half an hour at the gU with the late Tuffen West, F. R. M. S, F. L 
(Illustrated 4 Piet piste} :] 
[od lg out Mur the Postal Micro. Soc. pose Meg (Illustrated.) 
Que Correspondence. Revie 
PUCER United States and : nndis $2.75 the year, ERT free. 
Agent: M. A. BOOTH, F. R. M. S., 
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. 
Phenacodis primacvus Cope, (Wyoming) $100.00. Æ- 
racotherium venticolum Cope, (Wyoming) $50.00. Protohippus 
micabilis Leidy, skull $7.00. Protohippus pachyops Cope, skulls 
of adult and young, and pz fossulatus Cope, skull, $5.00 each. 
Tetrabelodon shepardii Leidy, mandibular ramus and symphysis 
with two molars, $20.00. Dzbelodon tropicus Cope, do., $15.00; 
Mastodon precursor Cope, last molar $5.00. The horses and 
mastodons from the Cenozoic beds of Texas, are uncolored. 
