LAJ ADVERTISEMENTS. 
The International Journal of 
Microscopy 4: Natural Science 
mee: :—ALFRED ALLEN, Bath, Eng. 
A EYA THAM, D. D M. S. ete., Chicago University, U. S. A. 
SSOCIATE 5. STEVENSON BROWN, Pendant, s Montreal Micro Soc., Montreal, Canada. 
EpiToRS : | FILANDRO VICENTINI, M. D., Chieti, Italy. 
Contains articles by Specialists in every department of Microscopy, Botany, 
eology, Zoology, and Natural Science, Reviews of New Books, etc. 
lustrated with Plates, Wood engravings, ete. 
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 Tee Theory. pens S Browne, F. R. C. S. 
Technology of the Diatomaceæ. J. Tem 
Preda aceous and Parasitic Enemies of pryk Including a Study of Hyper- gro (2 A Vine) 
m Du-t to Dust: A Cycle of Life. (1 Plate.) J. Sydney Turner, M. R. A 4 EuS. 
Das to the Members of the Bath Ae Eng.) Microscopical Society. Rev. E. T. Stubbs. 
Recent Bacteriological Researches o Sputa. The ual one ad and Biology of the Microbes 
of the Mouth. a Large Colston Piate.) Be NIC 
Microscopical Techniqu 
Notes, Reviews, etc., ae. 
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 secll cxiicon 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. Æy- 
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 shepardii Leidy, mandibular ramus and symphysis 
with two molars, $20.00. Dzdbelodon tropicus Cope, do., $15.00 ; 
Mastodon precursor Cope, last molar $5.00. _ The horses and 
‘nastodons from the Cenozoic beds of Texas, are uncolored 
