CONTINUOUS PROCESS OF ADJUSTMENT 133 



ethology or ecology. The history of ecology, and 

 animal societies are parts which deserve special 

 mention. A diagram, on p. 63, gives the subdivisions 

 of ethology. 



KBOPOTKIN, P. 



1903. Mutual Aid a Factor of Evolution, pp. 348. New 

 York. 



PARMELEE, M. 



1913. The Science of Human Behavior. Biological and 

 Psychological Foundations, pp. 443. New York. 

 The Macmillan Company. 



An important discussion of certain phases of animal 

 and human responses. Communities are considered 

 mainly from the standpoint of "aggregate ecology" 

 and phylogeny. Little recognition is made of the 

 " ecological association " as a fundamental unit in the 

 study of human relations. 



ADAMS, CHAS. C. 



1909. The Ecological Succession of Birds. Ann. Rep. Mich. 



Geol. Surv. for 1908, pp. 121-154. 

 A study of changes in bird associations. 



SHELFORD, V. E. 



1911. Ecological Succession. 



I. Stream Fishes and the Method of Physiographic 

 Analysis. Biol. Bull., Vol. XXI, pp. 9-34 



1911a. II. Pond Fishes. Biol. Bull., Vol. XXI, pp. 127-151. 



19116. HE. A Reconnaissance of its Causes in Ponds with 

 Particular Reference to Fish. Biol. Bull., Vol. 

 XXH, pp. 1-38. 



1912. IV. Vegetation and the Control of Land Animal 



Communities. Biol. Bull., Vol. XXIII, pp. 

 59-99. 

 1912a. V. Aspects of Physiological Classification. Biol. 



Bull, Vol. XXIII, pp. 331-370. 

 A series of detailed studies on successions in standing 



