“When one considers the narrow, technical training which students in histology usually receive, whether they be medical students or not, one cannot but wish that a course similar to that outlined in this book might be given in every college and university.”—_Science._ A Synoptic Text-book of Zoölogy for Colleges and Schools By ARTHUR WISSWALD WEYSSE, A.M., Ph.D. (Harvard), Instructor in Zoölogy at the Massachusetts Institute of Technology, and Associate Professor of Physiology at Boston University _Cloth, 545 pp., 8vo, $2.25 net_ “To relieve the tenseness of such a study as zoölogy, the author deals—whenever practicable—with some facts of everyday interest, such as the transmission of malaria by mosquitoes, the division of labor among ants and bees, the storing of food for the young, and several others of this character. These are pleasant little oases in the wilderness of rigidly scientific terms and facts. Not only is the author to be congratulated on the perseverance which made the volume possible, but also are the publishers for the mechanical part they have played. The book is entirely up to the high standard of the house that publishes it. The illustrative element is most meritorious.”—_Journal of Education._ “A work of great value ... addressed to college students who do not necessarily intend to become specialists, but approach the subject with trained minds and with some knowledge of cognate sciences. We begin, if not literally at the beginning, yet with the protoplasmic cell, but pass almost immediately to the description of the various animal types in which classification in minute subdivisions is not attempted. A third part deals with the general principles of zoölogy. The book has been specially adapted for use in connection with laboratory and field work, as well as for systematic study.”—_Churchman._ “The text is noteworthy for its simplicity and clearness, and the choice of subject-matter has been made with care. Considerable attention has been paid to the introduction of illustrative data which bear on general biological problems or are of economic or sanitary importance. The book is also free from the more technical terminology which only the specialist needs. The arrangement of the subject-matter is excellent. After laying down a few general principles, the various animal types are dealt with in detail, and the theoretical phases and general problems are discussed in the closing section. The book forms a clearly presented, well-balanced, comprehensive, and accurate epitome of zoölogy.”—_The Dial._ Experimental Zoölogy By THOMAS HUNT MORGAN, Professor of Experimental Zoölogy, Columbia University _Cloth, 454 pp., 8vo, $2.75 net_