Deschanel, A. Privat. Elementary Treatise on OpticR 5 

 (forming one of the volumes of liis Treatise 011 Natural Phil- 

 osopy.) 8vo., limp cloth. $1.75. 



The best popular treatise on the general principles of optics. 



Frey, IT. The Microscope and Microscopic Technology: A Text- 

 Book for Physicians and Students. Translated and Edited by 

 G. R. Cutter, M. D. One handsome octavo volume of about 760 

 pages, with several hundred fine wood engravings. $6 



Indispensable to physicians and students of physiology. 



Goadfty, Henry. Text-Book of Vegetable and Animal Phy- 

 siology. Embellished with upward of 450 illustrations (many 

 colored.) 8vo. $3. 



GOSSC, Philip Henry. Evenings at the Microscope; or Re- 

 searches among the Minuter Organs and Forms of Animal 

 Life. Thick 12mo. Illustrated. $1.50. 



, Jafoez. The Microscope: Its History, Construction, and 

 Application. Being a familiar Introduction to the Use of the 

 Instrument and the Study of Microscopical Science, with Direc- 

 tions for Collecting, Preserving, and Mounting Objects. Illus- 

 trated with upwards of 500 engravings and colored illustrations. 

 750 pages. Seventh edition. London, 1869. $3. 



An excellent work for non-professionals. The best in market for the 



price. 



JLa ilk ester, Edwin, M. D. Half-Hours with the Microscope; 

 being a popular Guide to its use. New edition. Profusely illus- 

 trated. $1. 

 A very excellent little work, devoted chiefly to natural history. 



Loo ill is, Alfred !>., M. D. Treatise on Physical Diagnosis as 

 illuhliated by the Microscope. $8. 



Pereira, Jonathan, M. D. Lectures on Polarized Light; 

 together with a lecture on the Microscope. Second edition, 

 enlarged. Edited by Rev. Baden Powell, M. A. 12rno. Lon- 

 don, 1854. $1.25. 



Richardson, J. G., M. D. Hand-Book of Medical Micro- 

 scopy. 40 illustrations. $2.25. 



Suffolk, W. T., F.R.M.S. On Microscopical Manipulation. 

 Being the subject matter of a Course of Lectures delivered 

 before the Queckett Microscopical Club. With 49 Engravings 

 and 7 lithographs. $2. 



Wood, J. G., M.A., F.L.S. Common Objects of the Micro- 

 scope, with upward of 400 illustrations by the celebrated en- 

 graver, Tuffen Wei-t. 50 cents. 

 The best hand-book for beginners. Describes a large number of ob- 

 jects of popular interest that are easily procured. 



Wormley, Theodore G., M.D. Micro-Chemistry of Poi- 

 sons, including their Physiological, Pathological, and Legal 

 Relations: adapted to the use of the Medical Jurist, Physician, 

 and General Chemist. With seventy-eight illustrations on 

 steel. $10. 



A remarkably able and useful work. The illustrations are unequalled. 



