ADVERTISEMENTS. v 
- The International Journal of 
Microscopy «nq Natural Science 
EDITOR :—ALFRED ALLEN, Bath, Eng. 
Associatt Pror. V: A. LATHAM, D. D.S., F. R. M. 8. , Chicago University, U.S. A. 
J. STEVENSON BROWN, President, Pot el Mier o Soc., Montreal, Canada. 
Evitors: | FILANDRO VICENTINI, M. D., Chieti, Italy 
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 om Theory. H. Langley Browne, F. R. C. S. E. 
Technology of the Diatom J. Temper 
Predaceous and Parasitic Eonia of Aphedes Including a Study of Hyper- ieee = eee 
H. 
From Dust to Dust: A Cycle of Life. (1 Plate.) J. Sydney on M,.R.-G. S F 
Address to the Members of the Bath ( Eng.) Midagi Society: Rev. E. T. S 
Recent Biren ie age Res ons on the Sputa. The Morphology and Biology of nit Koobi 
e Mouth. ay ge Colored Piate.) F. Vic 
Mieroseo sical Techni 
Notes, Reviews, etc., ete 
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) 9100.00. AZy- 
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. 
Tetrahelodon shépardit 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 
‘astodons from the Cenozoic beds of Texas, are unelm 
