THe Microscope. 119 
Medical Advance, is given the credit of having rendered valuable aid 
in the department of Botany. 
The publishers have spared no trouble or expense to secure a good 
work. They should have the liberal support of their homcopathie 
friends. 
THE BACTERIA. By Charles 8S. Boynton, M.D. Pp. 18. Rutland, 
Vt. 1883. 
IODOFORM IN DENTAL SURGERY. By C. F. W. Bédecker, D. D.5., 
New York City City. Pp.12. 1884. 
MICROSCOPIC ORGANISMS IN THE BOWLDER CLAY OF CHICAGO. 
H. A. Johnson, M.D. B. W. Thomas, E.R. M.S. Pp. 8; fig. 8. 
Chicago, 1884. 
YEAR-BooK OF PHARMACY. and Transactions of the British Pharma- 
ceutical Conference. 1883. S8vo., pp. 670. J. & A. Churchill, 11 
New Burlington St., London. Price, 10 shillings. 
THE BIRTH AND GROWTH OF MyTH. By Edward Clodd, F.R.A.S. 
Price, 15 cents. J. Fitzgerald, Publisher, 20 Lafayette Place, New 
York. For sale by Willis Boughton, Ann Arbor, Mich. 
This work forms No. 54 of the ‘‘ Humboldt Library of Popular 
Science.’”’ It comprises twenty chapters, with an Appendix, and gives 
a very intelligible account of the origin and development of mytho- 
logical stories. from the scientific point of view. 
—$—<4 0 > = 
ADDITIONAL EXCHANGES, CONTINUED FROM LAST 
PAGE. 
(This is a very interesting column to those engaged in practical work. Send 
on your notice and enter the list.) 
WILL send a quantity of good diatomaceous material containing Baccil- 
aria Paradoxa—all living—in exchange for well mounted slides. JAS 
C. LATHROP, Bridgeport, Cor n. 
IVING or mounted red astasia he natoides (Englena viridis) also Valvox 
and other choice Alge in exchange for Algae, fungi or infusoria. J. 
M. ADAMS, Watertown, N. Y. 
HAVE the following publications: Fresh water Rhizopods of North 
Ameriea, by Joseph Leidy, 4th, 335 pp., and 48 plates, 1879. U. S. 
Expl. of the 40th Parallel—King. vol. VI. Microscopical Petography, by F. 
Zirkel. 4th, 309 pp., and 12 plates, 1876, whlch I would like to exchange for 
Journals, Transactions, and Proceedings ot Microscopical Societies, or 
Books and Pamphlets treating on microscopical studies. Very respectfully, 
A. WOODWARD, 206 W. 128 St., New York City, N. Y. 
OR EXCHANGE.—I will send human trichinous muscle in exchange 
for names of parties owning microscopes. See April number of this 
journal, page S8. 
