vi ADVERTISEMENTS. ilo 
The International Journal of 
Microscopy and Natural Science. 
EDITOR: 
ALFRED ALLEN, Bath, England. 
ASSOCIATE ibd 
es 
Pro AM, D. D. ju E, M. S, Chicago University, U. S. A. 
FREDERICK. AER TNER, M., D. uu "Pusborzbe Pul Uu. 
I STEVENSON BROWN, President, ondes Micr ro Soc., Montreal, Canada. 
FILANDRO VICENTINI, , Chieti, 
The following are a portion of the Contents for January, 1893. 
Polarised Light, and its nome to the cipi uu alate) G. H. Bryan, M. A. 
Reichert's Hzemometer. P rens ustrated.) F. Gaertne 
The Microscope and Its Accessories. (Illustrated. y "The E 
A Device to take the place of the Camera Lucida in Merit. uerunt 
I. G. Piffard, M. D. 
A Midwinter Month by the niii cag Ka = Bryan, M. A. 
Soaking Tissues and Sections of Tissues in V J W. Pla axton, M. D. — 
Preparing Merino of Teeth for seeren M eddie. Prof. V. A. Latham 
The Bot-Fly of Man 
MicrbecopicH. Tech 
Half an hour at de wc MES with the late Tuffen West, F. R. M. S 
Medii 7 Like. Ned 3 
Selected Notes from the Postal Micro. yer 2. cone (Illustrated. ) 
Notes. Queries. Correspondence. 
Subscription, United States and oc $2.75 the year, post free. 
Agent: M. A. BOOTH, F. R M. S, 
LONGMEADOW, MASS. P 
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. Ay- 
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. Diċelodon tropicus Cope, do., $15.00 ; 
Mastodon precursor Cope, last molar $5.00. The horses and 
mastodons from the Cenozoie beds of Texas, are uncolored. 
