Scientific Serials

Abstract

THE Quarterly Journal of Microscopic Science for July contains several articles of special interest First is the fourth part of Mr. Archer's resume of recent contributions to our knowledge of “Fresh-water Rhizopoda,” in which Lecythium hyalinum9 Chlamidophrys stercorea, Platoum parvum, Gromia paludosa, and Cyphoderia truncata are described and figured.—Following is an abstract of Mr. E. C. Baber's researches on the lymphatics and parenchyma of the thyroid gland of the dog, with illustrations, published at length in the Philosophical Transactions.—Dr. Watney also, from the same Transactions, gives, with a plate, an account of his study of the minute anatomy of the alimentary canal.—Dr. Angelo Andres describes and figures a new genus and species of Zoanthina Malacodermaa (Panceria spongiosd).—Prof. Franz Boll follows with his “Contributions to the Physiology of Vision, and of the Sensation.of Colour.”—Mr. A. Sangster has observations on the muscular coat of sweat glands, in which it is shown that the epithelium of the gland rests directly upon the muscle surrounding it.—Dr. Klein contributes a paper on the minute anatomy of the omentum, describing certain bud-like structures occurring on the fenestrated portion, the method of production of the fenestrae, and some points in the formation of the blood-vessels.—Mr. F. Darwin writes on the protrusion of protoplasmic filaments from the glandular hairs on the leaves of the Common Teasel, in which, he helps to develop the important principles of the incipient steps in the formation of special organs.·—Mr. H. N. Moseley gives notes on the structure of several forms of Land Planarians, with a description of two new genera and several new species, and a list of all species at present known.—Notes and memoranda conclude the number.