THE DEVELOPMENT OF MAN 325 



great modifications which have resulted in producing the in- 

 numerable forms of living things which inhabit the globe* 



COLLATERAL READING 



Primer of Evolution, Clodd, Chap. IX-X; Origin of Species, Darwin, 

 Chap. 14-15; Descent of Man, Darwin, Chap. 1-7; The Whence and Whither 

 of Man, Tyler, pp. 1-112; Applied Biology, Bigelow, pp. 561-573; Ascent 

 of Man, Drummond, pp. 59-98; Animal Life, Thompson, pp. 273-281. 



SUMMARY 



1. Relation to other animals. 



Classification, look up characteristics of each group. 



2. The idea of evolution. 



3. Evidences of evolution. 



(1) Rudimentary organs. 



Toe bones of horse. 



Wing of ostrich. 



Hip bones in boa. 



Appendix, canines, etc., in man. 



(2) Embryological resemblances. 



Beginning with one-celled egg. 

 Similar early stages. 

 Modification of organs. 



(3) Homologous organs. 



(4) Fossil remains. 



(5) Changes due to domestication and breeding. 



