NEW SERIES VOL. XLV. No. 1174 FRIDAY, JUNE 29, 1917 SINGLE COPIES, 15 CTS. ANNUAL SUBSCRIPTION, $5.00 Books on Pathology MacCallum's Pathology Dr. MacCallum's book presents pathology on the basis of etiology. The discussion is not limited to anatomic and morphologic descriptions, but functional disturbances are fully presented, as well as those of chemical character. Octavo of 1083 pages, with 575 original illustrations, many in colors. By W. G. MACCALLUM, M.D., College of Physicians and Surgeons, New York. Cloth, $7.50 net. Mallory's Pathologic Histology Dr. Mallory presents pathology biologically. First he ascertains the cellular elements out of which the various lesions are built up; then he traces the development of the lesion from the simplest to the most complex form. Octavo of 677 pages, with 497 figures, containing 673 original illustrations, 124 in colors. By FRANK B. MALLORY, M.D., Harvard Medical School. Cloth, $5.50 net. Mallory & Wright's Technic This work gives you the technic of bacteriologic methods-media, collection of material, cover-glass preparations, pure cultures, inoculations of animals, anaerobic cultures, bacteriology of the various diseases. Then histologic methods are taken up, followed by the special methods used in clinical bacteriology and pathology. Octavo of 536 pages, illustrated. By F. B. MALLORY, M.D., Harvard Medical School; and J. H. WRIGHT, M.D., Massachusetts General Hospital. Sixth Edition. Cloth, $3.25 net. Wells' Chemical Pathology This work considers pathology from the standpoint of the chemical processes involved. It deals with the chemical changes that take place in pathologic conditions. It treats of the causes of disease, and so provides the first step in their treatment. Octavo of 616 pages. By H. GIDEON WELLS, PH D., M.D., University of Chicago. Second Edition. Cloth, $3.25 net. Stengel and Fox's Pathology This new (6th) edition is virtually a new work. It has been rewritten throughout, reset in new type and a larger type page used. New matter equivalent to 175 pages has been added and some 75 new illustrations. Octavo of 1045 pages, with 468 text-illustrations, many in colors, and 15 colored plates. By ALFRED STENGEL, M.D., and HERBERT FOX, M.D., University of Pennsylvania. Cloth, $6.00 net. McFarland's Pathology Dr. McFarland's twenty-two years of teaching has taught him to separate the grain from the chaff. He gives you in these 900 pages a complete survey of pathology, both general and special-matter that ordinarily would require two volumes. Octavo of 856 pages, with 437 illustrations, some in colors. By JOSEPH MCFARLAND, M.D., University of Pennsylvania. Secona Edition. Cloth, $5.00 net. Wadsworth's Postmortems This new work is based on Dr. Wadsworth's sixteen years' constant study of the human body and of some 4000 postmortems. So far as possible the principles are presented rather than rules. The actual technic is explained in detail. Many errors, commonly accepted as facts, are pointed out and corrected. Octavo of 600 pages, with 304 original illustrations. By WILLIAM S. WADSWORTH, M.D., Coroner's Physician of Philadelphia. Cloth, $6.00 net. McConnell's Pathology Dr. McConnell gives you here in concise form the essentials of pathology, avoiding all unnecessary theory and discussion, adhering closely to the strictly practical The entire field is covered, including postmortem examination, laboratory technic-fixing, decalcification, injection, imbedding, exact formulas for staining, eto. 12mo of 600 pages, 187 illustrations, By GUTHRIE MCCONNELL, M.D. Third Edition. Cloth, $2.75 net. W. B. SAUNDERS COMPANY Philadelphia and London THE PRINCIPLES OF STRATIGRAPHY BY AMADEUS W. GRABAU, S.M., S.D. PROFESSOR OF PALEONTOLOGY IN "Should be on the reference shelf of every college, normal school, and large high school in the United States."-Journal of Geography, Vol. XIII, Jan. 1915. 8vo, 1150 pages, 264 illustrations. Price, $7.50 Feeding the World without depleting soil fertility is a presentday problem of no little magnitude. Cyril George Hopkins, Professor of Agronomy in the University of Illinois; and Chief in Agronomy and Chemistry, and Vice Director in the Illinois Agricultural Experiment Station, has written a book to teach "land use without abuse." He shows the farmer or agricultural student how to bring his land to the highest productivity through proper crop-rotation, and application of fertilizers; at the same time retaining for future generations the natural fertility of soil. Why not investigate? Hopkin's Soil Fertility and Per- Descriptive Circular Sent upon Request A. G. SEILER & CO. NEW YORK CITY ATHENAU Attention, Scientific Workers Stop Look Listen Revised to April 1, 1917 Size, 27 x 36 HAROLD RUSH ENGINEER In use by Colleges, Universities and Industrial Corporations HAROLD RUSH, CHEMICAL ENGINEER 603 B Security Trust Building, Lynn, Mass. CHEMICAL Langmuir Condensation Pump Dr. Irving Langmuir (of the General ElectrioCo.) has developed an exceedingly interesting and valuable high-speed, high-vacuum pump, and by special agreement with the makers, we are acting as sole distributors, for laboratory purposes. With this pump pressures as low as 10-5 bar have been obtained; and there is little doubt that very much lower pressures can be produced, by cooling the bulb to be exhausted, in liquid air, so as to decrease the rate at which gases escape from the walls. Some type of primary pump must be used; capable of developing a vacuum not less than 0.1-0.15 mm. of mercury. The illustration shows a Langmuir pump, connected to a two-stage primary oil pump-which is operated by a HP motor; all three parts of the outfit being assembled together on one base. JAMES G. BIDDLE 1211-13 ARCH STREET PHILADELPHIA Upon request, we shall be glad to supply a copy of Dr. Langmuir's Paper, entitled The Condensation Pump: An Improved Form of High Vacuum Pump"-as published in Dec., 1916, issue of General Electric Review. Made in our own shop Actually in stock BECKMANN APPARATUS for determining the freezing point, consisting of: Glass jar with nickel cover, stirrer, 4 air jackets, 4 freezing tubes, 3 filling pipettes, "Impfstift" with plain thermometer, complete but without Beckmann thermometer..... $20.00 20.00 1.50 0.50 2.00 1.75 Filling pipette, each "Impfstift," each GLASS FUNNELS MADE IN U. S. A.-BETTER THAN IMPORTED NOT TO BE CONFUSED WITH FUNNELS OF INFERIOR A.H.T.CO. These Funnels are made in the U. 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Summer Work for Gradautes in Medicine Beginning June 1st, courses in Medicine, Surgery, and various specialties, as well as in several of the underlying scientific branches, wil be available for graduates in Medicine. These courses will extend over six weeks and are fully described in a special circular. The annua! announcement, application blanks, and circular describing graduate courses may be obtained by addressing the Dean of the Johns Hopkins Medical School Washington and Monument Sts. BALTIMORE, MD. COLLEGE OF MEDICINE (Established in 1834) School of Medicine— Admission: One year of college work in the sciences and a modern foreign language. After January 1, 1918, all students entering the Freshman Class will be required to present credits for two years of college work, which must include Biology, Chemistry and Physics, with their laboratories, and one year in German or French. Graduate School of Medicine A school for physicians desiring practical clinical opportunities, review, laboratory technic or cadaveric work in surgery or gynecology. Excellent facilities offered in all special branches. School of Hygiene and Tropical Medicine, including Preventive Medicine Systematic courses offered, leading to certificates in Public Health, diploma in Tropical Medicine, and to the degree of Dr. P. H. Laboratory, Clinic and Field Work. School of Pharmacy Admission: Three years of high school work, or 12 units. Two years for Ph.G. degree. Three years for Ph.C. degree. |