D. Appleton & Go's Medical Publications. 



HUXLEY AND YOUMANS. 

 The Elements of Physiology and 



Hygiene. With Numerous Illustrations. 



By THOMAS H. HUXLEY, LL. D., F. E. S., and 



WILLIAM JAY YOUMANS, M.D. 



1 vol., 12mo. 420 pp, $1,75. 



A text-book for educational institutions, and a valuable elementary 

 work for students of medicine. The greater portion is from the pen of 

 Professor Huxley, adapted by Dr. Youmans to the circumstances and 

 requirements of American education. 



" A valuable contribution to anatomical and physiological science." Religious 

 Telescope. 



"A clear and well-arranged work, embracing the latest discoveries and ac- 

 cepted theories." Buffalo Commercial. 



" Teeming with information concerning the human physical economy." 

 Evening Journal. 



HUXLEY. 

 The Anatomy of Vertebrated Animals, 



By THOMAS HENRY HlfXLEY, LL. D., F. R. S., 



Author of "Man's Place in Nature," "On the Origin of Species," " Lay Sermons and 



Addresses," etc. 



1 vol., 12mo. Cloth, $2-00. 



The former works of Prof. Huxley leave no room for doubt as to the impor- 

 tance and value of his new volume. It is one which will be very acceptable to all 

 who are interested in the subject of which it treats. 



SPECIMEN OF ILLUSTRATIONS. 



The Alligator Terrapene (Chelydra Serpentina). 



"This long-expected work will "be cordially welcomed "by all students and teachers of 

 Comparative Anatomy as a compendious, reliable, and, notwithstanding its email dimen- 

 sions, most comprehensive guide on the subject of w^iich it treats. To praise or to criti- 

 cise the work of so accomplished a master of his favorite science would 90 equally out of 

 place. It is enough to say that it realizes, in a remarkable degree, the anticipations which 

 have been formed of it; and that it presents an extraordinary combination of wide, gen- 

 eral views, with the clear, accurate, and succinct statement of a prodigious number of 

 individual facts." Nature. 



