16 Some Facts of Heredity. 



17 Methods of Plant Breeding. 



18 Results of Plant Breeding. 



19 The Evolution of Non-Vascular Plants. 



20 The Evolution of Vascular Plants. 



21 The Beginning of Animal Life. 



22 Appearance of Air-Breathers and Vertebrates. 



23 The Evolution of Various Organs. 



24 Reptiles, Birds, and Mammals. 



25 Eugenics. 



26 Lessons from Evolution. 



Cloth bound, 144 pp. Illustrated. 50 cents. 



JOHN G. COULTER, Publisher 



Bloomington, 111. 



