ARRANGED IN QUESTION AND ANSWER FORM. Essentials of Physiology. By H. A. HARE, M.D., Prof. Thera- peutics in^ Jefferson Med. College, Philadelphia; Numerous illustrations. Fourth edition, revised and enlarged, containing a series of handsome plate illustrations taken from the celebrated " Icomes Nervorum Capitis " of Arnold. 192 pages. Cloth, 4s net, post free. Essentials of Diagnosis. By SOLOMON SOLIS COHEN, M.D., Prof, of Clin. Med. in the Philadelphia Polyclinic ; and AUGUSTUS A. ESHNER, M.D., Instructor in Clin. Med. in Jefferson Med. Coll. 382 pages. 55 illus- trations, some of which are coloured, and a frontispiece. 6s net, post free. Essentials of Obstetrics. By EASTERLY ASHTON, M.D., Obstetrician to Philadelphia Hospital. 75 illustrations. Third edition, thoroughly revised and enlarged. 252 pages. Cloth, 4s net, post free. Essentials of Gynaecology, By EDWIN B. CRAIGIN, M.D., Gynae- cologist to Roosevelt Hosp., New York. 200 pages. 62 fine illustrations. Third edition. Cloth, 4s net, post free. Essentials of Diseases of the Skin, including the Syphilo- dermata. By HENRY W. STELWAGON, M.D., Ph.D., Lect. on Der- matology in Jefferson Med. Coll. Third edition, revised and enlarged, with 71 letterpress cuts and 15 half-tone illustrations. 270 pages. Cloth, 4s net, post free. Essentials of Refraction and Diseases of tlie Eye. By EDWARD JACKSON, A.M., M.D., Prof. Dis. of Eye in the Philadelphia Poly- clinic ; and Essentials of Diseases of the Nose and Throat. By E. BALDWIN GLEASON, M.D., Surg;. to Nose, Throat, and Ear Dept., Northern Dispensary, Philadelphia. Second edition, revised. 290 pages, 124 illustra- tions. Cloth, 4s net, post free. The above two volumes in one. Essentials of Diseases of Children. By WILLIAM M. POWELL, M.D. Second Edition. 222 pages. Cloth, 4s net, post free. Essentials of Medical Electricity. By D. D. STEWART, M.D., Chief of Neurological Clinic in the Jefferson Med. Coll. ; and E. S. LAWHAJSCE, M.D. 65 illustrations. Cloth, 4s net, post free. Essentials of Practice of Medicine. By HENRY MORRIS, M.D., late Demonstrator, Jefferson Med. Coll. Philadelphia. Numerous illustra- trations and a coloured frontispiece. Third Edition. Cloth, 6s net, post free. Essentials of Surgery. By EDWARD MARTIN, A.M., M.D., Clin. Prof, of Genito-Urinary Dis., Instructor in Operative Surg., and Lect. on Minor Surg., Univ. of Pennsylvania. Illustrated. Fifth Edition, revised and enlarged, 338 pages. Cloth, 4s net, post free. Essentials of Pathology and Morbid Anatomy. By C. E. ARMAND SEMPLE, B.A., M.B., Phys. to the Bloomsbury Dispensary, etc. 160 pages, 40 illustrations. Cloth, 3s 6d net, post free. Essentials of Forensic Medicine, Toxicology, and Hy- giene. "By C. E. AHMAISB SEMPLE, B. A., M.B. 196 pages, 130 illustrations. Cloth, 4s 6d net, post free. Essentials of Bacteriology. By M. Y. BALL, M.D. Bacteriologist to St. Agnes' Hospital, Philadelphia. Third Edition, revised, with 81 illus- trations, some in colours, and five plates. 218 pages. Cloth, 4s net, post free. Essentials of Nervous Diseases and Insanity. By JOHN C. SHAW, M.D., Clin. Prof, of the Dis. of the Mind and Nervous System, Long Island Coll. Hosp. Med. School. 48 original illustrations. Second Edition. Cloth, 4s net, post free. Essentials of Diseases of the Ear. By E. B. GLEASOJST, S. B.- M.D., Clin. Prof, of Otology, Philadelphia Med. Coll. Cloth, 4s net. 147 pages, fully illustrated. Essentials of Anatomy. By FEED J. BROCKWAY, M.D., Assist- Demonstrator of Anatomy Coll. of Phys. and Surg., New York, and A. O'MALLEY, M.D., Instructor in Surg., New York Polyclinic. Secop-dEdition. With full page plates, 376 pages. Cloth, 6s net, post free.