ADVERTISEMENTS. 
‘The International Journal of 
Microscopy and Natural Science. 
EDITOR: 
ALFRED ALLEN, Bath, England. 
Pe gsigpdtp > g pig 
Pror. V. LATHAM DS E n S, ae be University, S S.A. 
FREDERICK GAERTNER A. M. M. dei "Biusburg U. 
Fi STEVENSON BROWN, ‘reside Mionifeat Ñi Soc., Me r baai 
ILANDRO VICENTINI, , Chieti, Italy. 
The following are a portion of the Contents for January, 1893. 
Polarised Light, and its Application to the y ewezde IR ) G. H. Bryan, M. A. 
The Microscope and Its Accessories. (Illustrated. ) ’ The] Edito 
A Device to take the place of the Camera Lucida in S midea o eae ) 
H. G. Piffard, M. D. 
A orap hal Month by the Mediterranean. G. H. Bryan, M. A. 
ing Tissues and: Sections of Tissues in Water. J. W. Plaxton, M. D., Jamaica. 
Preparing Socios of Teeth for Histology and Bacteriology. Prof. V. A. "Latham. 
Selected Notes from the Postal Micro. Soc. Note pe (Illustrated.) 
otes. eries. Correspondence. Reviews, e 
Subscription, United States and ake $2.75 the year, post free. 
Agent: M. A. BOOTH, F. R. M. S., 
LONGMEADOW, MASS. g 
amana 
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. Hy- 
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. 
