ri ADVERTISEMENTS, 
The International Journal of | 
Microscopy «nq Natural Science 
DITOR :—ALFRED ALLEN, Bath, Eng. 
Pror. V. A. LA EY . D. S., F. R. M. S. etc., Chicago University, U. S. A. 
ASSOCIATE J. ST TEVENSON B OWN, “Preside nt, —— Micro Pe Montreal, Canada. 
Evirors: (| FILANDRO VICENTINI M. D., Chieti, It 
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 De reopen of the Germ Theory. ii Langley Browne, F. R. C. S. E. 
Technology of the Diatomaceæ. J. Tem 
Predaceous and Parasitic Enemies of aphsdes Including a Study of Hyper- sts ge (2 5 Views 
From Dust to Dust: A Cycle of Life. (1 Plate.) . J. Sydney a M. EC. s E L. S. 
Address to the Members of the Bath (Eng.) Microscopical Socie v. E. T. Stu 
Recent bec agi ogy Researches on the Sputa. The no rphology ree Biology of he ena 
(1 Large Colored Piate.) F. Vic 
Microscopical Technique. 
(] 
s, 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. Zy- 
vacotherium 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 shepardti 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 
‘nastodons from the Cenozoic beds of Texas, are uncolored 
