vi ADVERTISEMENTS. 
The International Journal of 
Microscopy and Natural Science. 
EDITOR 
ALFRED ALLEN, Bath, England. 
deae ds EDITORS: 
Pror. V. A. LATHAM, D. S., F. R. M. S., etc., Chicago University, U. S. A. 
FREDERICK GAERTNER A. M. D., etc., Pittsburgh, Pe, US. & 
J. STEVENSON B ee Montrea 1 Micro. Soc., Montreal, Canada. 
FILANDRO VICENTINI. ' M. D., Chieti, I 
The following are a portion of the Contents = January, 1893. 
Polarised Light, and its Application to the Mic a = (Illustrated.) G. H. Bryan, M. A. 
eichert’s Haemometer. u 
r, M. 
and Its Accessories. " (illustrated, ) "The Edito 
A Device to edie the place of the Camera Lucida in Tarai (Illustrated.) 
H. G. Piffard, M. D. 
A ee Month by the Mediterranean. bi oe Bryan, M. A. 
Soaking Tissues and Sections of Tissues in Wa J. W. Plaxton, M. D. pana 
Preparing Sections Teeth for Histology and CELSUS Prof. V. A. "Latham 
The Bot-Fly 
Micioscopical Techn nique 
Half an hour at the Microscope with the late Tuffen West, F. R. M. S., F. L. S 
(esca 4 Litho. "uten 
Selected Notes from the Postal Micro. Soc. Note Books. (Illustrated.) 
Notes. Queries. Correspondence. Reviews, etc. 
Subscription, United States and Canada, $2.75 the year, post 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 applieation to Jacob 
Geisman, 2102 Pine St., Philadelphia. ' 
Phenacodus primaevus Cope, (Wyoming) $100.00. Zy- 
vacotherium 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 shepardii 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. 
