ADVERTISEMENTS. v 
The International Journal of 
Microscopy n4 Natural Science 
FA gl gah :—ALFRED ALLEN, Bath, Eng. 
A É A. LATHAM, D: D. S., F. R. M. S. etc., Chicago University, U. S. A. 
SSOCIAT r STEVENSON BROWN, President, Montreal Micro Soc., Montreal, Canada. 
EDITORS: ES VICENTINI, M. D., Chieti 
Contains articles by Specialists in every department of Microscopy, Botany, 
Geology, Zoology, and Natural Science, Reviews of New Books, etc. 
Illustrated with Plates, Wood engravings, etc. 
Portion of the Contents for January, 1895. 
The Denizens of an Old Cherry Tree with Notes of its Surroundings. (2 Plates.) 
| C. J. Watkins. 
The Development of the gem Theory. H, pee, Browne, F. R. C. S. E. 
Technology of the Diatom J. Temper 
Predaceous and Parasitic Bania of bils Including a Study of Hyper-Parasites. (2 Plates. 
. ie 
From Dust to Dust: A Cycle of Life. (1 Plate.) J. Sydney oe M Rat. 5 k gA p 
Address to the Members of the Bath nate ORR LT > Socie Rev. E. T. Stubbs 
ecent Bacteriological Researches on the The orphology and Biology of the Microbes 
f the Mouth. i Large Colored Pite.) F. Vic 
Microscopical Technique 
, Reviews, etc., etc. 
BAILEY & FAIRCHILD, 29 Park Row, N. Y. 
M. A. BOOTH, Longmeadow, Mass, 
Subscription, U. S. A. and CANADA, $2.75. POST FREE. 
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- 
vacothertum 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 shepardi Leidy, mandibular ramus and symphysis 
with two molars, $20.00. Dzdelodon tropicus Cope, do., $15.00; 
Mastodon precursor Cope, last molar $5.00. The horses and 
‘nastodons from the Cenozoic beds of Texas, are uncolored 
