A survey and valuation of the older evidence and 

 an appreciation of the new. The Journal of Hered- 

 ity says: "It furnishes the first authoritative ac- 

 count of Morgan's work which is available to any- 

 one but the specialist." And the Yale Review. 

 "Darwin gave us a knowledge of the fact of evolu- 

 tion, Mendel introduced us to the method of inheri- 

 tance, and Morgan advances us a long way in un- 

 derstanding the mechanism." 



ABOVE THE FRENCH LINES. Letters of Stuart 

 Walcott, American aviator. $1 net; by mail, 

 $1.06. 



Walcott, son of Dr. Charles D. Walcott. Secre- 

 tary of the Smithsonian Institution, was a college 

 senior when he enlisted in the French Flying 

 Corps. He was killed in combat in December of 

 1917. His letters give one of the best accounts 

 ever published of the life of an airman in training. 



ENGLAND AND GERMANY, 1740-1914. By Ber- 



nadotte Everly Schmitt. $2 net; by mail, 

 $2.10. 



An accurate, impartial history, written before the 

 war, this volume presents an impressive mass of 

 evidence against Germany, the self-outlawed nation. 



THE WORLD PERIL. By members of the Fac- 

 ulty of Princeton University. $1 net; by 

 mail, $1.06. 



Germany's violation of American rights ; of de- 

 mocracy ; of international law. Interests in the war 



