vi " ADVERTISEMENTS. 
The International Journal of 
Microscopy and Natural Science. 
EDITOR: 
ALFRED ALLEN, Bath, England. 
Perr EDITORS: 
P M $^: ATHAM, vu 2 Fi R. E S., etc., Chicago eto d = S, A. 
FR K GAERTNE M., M. D., etc., Pittsburgh, P. S. 
y STEVENSON BROWN, President d Micro Soc., aies, ESAE 
FILANDRO VICENTINI, M. , Chieti, Italy. 
"The following are a portion of the Contents for January, 1893 
Polarised Dens, nn its diced i the "Go y (Iitustrated. ) GH: sda M. A. 
Reichert’s Hemometer. (Illus F. Gae 
The rriibiceniy and Its Necesse (Illus herbs 3 ' Thel 
A Device to take the place of the Camera Lucida in Team Sept ) 
H. G. Piffard, M. D. 
A Midwinter Month by the Mediterranean. G. H. Bryan, M. A 
Soaking Tissues and Sections of Tissues in Water. J. W. ' Plaxton, M. D, gerere 
MILI Sections ». Teeth for Histology and Bacteriology. Prof. V. A. "Latham. 
t-Fl 
Microscopical Techn nique 
Half an hour at the Microscope with the late Tuffen West, F. R. M.S., 
(oie 4 ‘Tithe, pore 
Selected Notes from the Postal Micro. Soc. Note ed aces (Illustrated. ) 
N Correspondence. Reviews, e 
Subscription, United States and Cadi, $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 application to Jacob 
Geisman, 2102 Pine St., Philadelphia. : 
Phenacodus primaevus Cope, (Wyoming) $100.00. | 7Z5- 
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 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. 
