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BIBLIOGRAPHY. 
Experimental Contribution to the Etiology of Infectious Diseases, with special 
reference to the Doctrine of Contagium Vivum. By E. Klein, M.D., F.K.S. 
Contributions to the Physiology of Batrachian Lymph-Hearts. By John 
Pritstley. 
For March (No. 18G) : — 
On Putrescent Organic Matter in Potable Water (II.). By Gustav Bisi.’hof. 
On the Modifications of the Simple and Compound Eyes of Insects. By 
B. Thompson Lowne, F.R.C.S. 
The Journal of the Linnean Society (Zoology) for February 
(No. 72) 
Observations on British Polyzoa. By^ Charles William Peach, Esq., A.L.S. 
(With 1 plate.) 
For May (No. 74) 
On the Conditions favouring Fermentation and the Appearance of Bacilli, 
Micrococci, and Torulm in previously Boiled Fluids. By H. Charlton Bastian, 
M.D., F.R.S., F.L.S. (^Concluded.) 
Notes touching Kecent Researches on the Radiolaria. By St. George Mivart, 
Zoological Sec. L.S. (With 16 woodcuts.) 
The Journal of the Quekett Microscopical Club for April 
(No. 36) 
On a new British Sponge of the Genus Microciana. By J. G. Waller. (With 
2 plates.) 
On the “ Autographic ” Process of Lithography as applicable to the Illustration 
of Scientific Papers. By Arthur Cottam, F.R.A.S. 
On the Investigation of Floral Development, by Marcus M. Hartog, M.A., B.Sc., 
F.L.S., together with the Proceedings from 10th August to 28th December, 1877. ^ 
The American Journal of Microscopy and Popular Science for 
April : — 
Hints on the Selection of a Physician’s Microscope. By Professor J. Edwards 
Smith. 
On the Measurement of the Angle of Apei ture of Microscope Object-glasses 
(from the ‘English Mechanic’). By F. H. Wenhani. (With 1 woodcut.) 
The Divisibility of Gold. By Professor H, G. Hanks. 
Polarization by Refraction ; also other Forms of Oblique Illumination. By 
L. R. Peet. 
On a New Mounting Bottle for Canada Balsam. By A. A. Julien. (With 
1 woodcut.) 
A New and Cheap Form of Heliostat. By Dr. L. M. Willis. (With 1 woodcut.) 
Are Diatoms destroyed by Drying ? (translated from the Proceedings of the 
French Botanical Society). By Paul Petit. 
Amoeba proteus. By Professor J. Leidy. 
Correspondence. — Professor R. Hitchcock on Angular Aperture. — Geo. E. 
Blackham on Collar Adjustment. — Ditto ditto on the Scale and Vernier Improve- 
ment in Stands. 
Transactions of the American Microscopical Society, the State Microscopical 
Society of Illinois, and the San Francisco Microscopical Society. 
For May : — 
Isthmia nervosa: A Study of its Modes of Growth and Reproduction. By 
J. D. Cox. (With 4 woodcuts.) 
Some Remarks concerning P. T. Cleve and Moller’s Diatoms. Upsala, 1877. 
Nos. 1-48. By A. Griinow. 
The Preparation of Rocks and Fossils for Microscopical Examination. By 
R. Fritz-Gaertner, Ph.D. 
A New Box for Microscopic Slides. By Carl Seiler, M.D. (With 1 woodcut.) 
Photo-micrography. By E. Riedel. 
Dr. Carpenter on Angular Aperture. By W. G. Lapham. 
The Microscopical Congress at Indianapolis. 
(Correspondence.— Professor J. Edwards Smith on Professor Hitchcock’s letter 
in the April number as to Angular Aperture.— Dr. C. Johnston on a suggested 
Museum of Microscopes. — Professor Hitchcock on Collar Adjustment, and on Mr. 
