Books on Evolution 



Evolution of To-day. A Summary of the Theory of Evolution as Held 



by Modern Scientists. By Prof. H. W. Conn. 8°. pp. ix.-j- 

 342. $1.75. 



"There have been so many volumes upon evolution that an ordinary reader may be 

 inclined to overlook this of Professor Conn. We warn him, however, that in so doing he 

 is sure to miss a rare contribution. It is just the thing to set a layman right, and is 

 thoroughly judicial." — Hartford Post. 



The Living World: Whence it Came and Whither it is Drifting. 



By Prof. H. W. Conn. Illustrated. 8°. pp. v. -f 195. $1.25. 



" The lucid style, clear descriptions, and logical reasoning make his chapters highly 

 satisfactory reading to the student who desires to learn the latest results of scientific re- 

 search in this direction." — Critic. 



The Method of Evolution. A Review of the Present Attitude of 

 Science toward the Question of the Laws and Forces which have 

 brought about the Origin of Species. By Prof . H. W. Conn. 8°. $2.00. 



14 It is clear, concise, illuminating, simply and scholarly told and widely and healthily 

 inspiring." — Commercial A dvertiser. 



Practical Zoology. By A. Milnes Marshall, M.D., M.A., P\R.S., 

 Professor of Zoology, Owens College, England, assisted by C. 

 Herbert Hurst, Lecturer in Zoology, Owens College, England. 

 8°. $3-50. 



"The volume has special value for students of anatomy."— Prof. Henry F. Osborn, 

 Princeton College. 



Vertebrate Embryology. By A. Milnes Marshall and C. Herbert 

 Hurst. Fully illustrated. 8°. pp. xxiv. -f- 640. $6.00. 



" It is certainly the best text-book for students' use and dealing with vertebrate em- 

 bryology known to me in any language ; it is adapted in the most satisfactory manner to 

 guide practical laboratory work. I admire both the clearness and accuracy of the author's 

 descriptions."— Charles S. Minot, Professor of Histology and Embryology, Harvard 

 University. 



G. P. PUTNAM'S SONS, New York and London 



