~Veterinary Bacteriology.~ By ROBERT E. BUCHANAN, PH.D., Professor of Bacteriology in the Iowa State College of Agriculture and Mechanic Arts. Octavo, 516 pages, 214 illustrations. Cloth, $3.00 net. ~THE BEST PUBLISHED~ Professor Buchanan discusses thoroughly all bacteria causing diseases of the domestic animals. He goes minutely into the consideration of immunity, opsonic index, reproduction, sterilization, antiseptics, biochemic tests, culture-media, isolation of cultures, the manufacture of the various toxins, antitoxins, tuberculins, and vaccines that have proved of diagnostic or therapeutic value. Then, in addition to bacteria and protozoa proper, he considers molds, mildews, smuts, rusts, toadstools, puff-balls, and the other fungi pathogenic for animals. ~B. F. Kaupp, D. V. S.~, _State Agricultural College, Fort Collins._ "It is the best in print on the subject. What pleases me most is that it contains all the late results of research. It fills a long felt want." Heisler's Embryology ~A Text-Book of Embryology.~ By JOHN C. HEISLER, M.D., Professor of Anatomy in the Medico-Chirurgical College, Philadelphia. Octavo volume of 435 pages, with 212 illustrations, 32 of them in colors. Cloth, $3.00 net. ~THIRD EDITION--WITH 212 ILLUSTRATIONS, 32 IN COLORS~ This edition represents all the advances recently made in the science of embryology. Many portions have been entirely rewritten, and a great deal of new and important matter added. A number of new illustrations have also been introduced and these will prove very valuable. Heisler's Embryology has become a standard work. ~G. Carl Huber, M.D.~, _Professor of Embryology at the Wistar Institute, University of Pennsylania._ "I find this edition of 'A Text-Book of Embryology,' by Dr. Heisler, an improvement on the former one. The figures added increase greatly the value of the work. I am again recommending it to our students." * * * * * Böhm, Davidoff, _and_ Huber's Histology ~A Text-Book of Human Histology.~ Including Microscopic Technic. By DR. A. A. BÖHM and DR. M. VON DAVIDOFF, of Munich, and G. CARL HUBER, M.D., Professor of Embryology at the Wistar Institute, University of Pennsylvania. Handsome octavo of 528 pages, with 361 beautiful original illustrations. Flexible cloth, $3.50 net. ~SECOND EDITION, ENLARGED~ The work of Drs. Böhm and Davidoff is well known in the German edition, and has been considered one of the most practically useful books on the subject of Human Histology. This second edition has been in great part rewritten and very much enlarged by Dr. Huber, who has also added over one hundred original illustrations. Dr. Huber's extensive additions have rendered the work the most complete students' text-book on Histology in existence. ~Boston Medical and Surgical Journal~