CONTINUOUS PROCESS OF ADJUSTMENT 147 



HANKINSON, T. L. 



1910. Ecological Notes on the Fishes of Walnut Lake, Mich- 

 igan. Trans. Amer. Fisheries Soc., 1910, pp. 195- 

 206. 

 One of the few papers dealing with the fish associations 



in a lake. 



1910. An Ecological Study of the Fish of a Small Stream. 

 Trans. 111. State Acad. Sci., Vol. Ill, pp. 23-31. 



HERMS, W. B. 



1907. An Ecological and Experimental Study of Sarco- 

 phagidse with Relation to Lake Beach Debris. Jour. 

 Exper. Zool., Vol. IV, pp. 45-83. 



JORDAN, H. 



1883. Die Binnenmollusken der nb'rdlich gemassigten Lander 

 von Europa und Asien und der Arktischen Lander. 

 Nova Acta der Ksl. Leop. -Carol. -Deutschen Akad. 

 der Naturf., Bd. XLV, Nr. 4, pp. 181-402. Halle. 

 On pp. 201-253 there are many observations on mol- 

 luskan ecology, including habitats, table of habitats 

 of freshwater mollusks, and important observations 

 on habitat variations or forms. Most of the paper 

 is devoted to geographic problems. 



KOFOID, C. A. 



1903. The Plankton of the Illinois River, 1894-1899, with 

 Introductory Notes upon the Hydrography of the 

 Illinois River and its Basin. Part I, Bull. 111. State 

 Lab. Nat. Hist., Vol. VI, pp. 95-629. 

 The results of a prolonged, detailed study of the 

 Illinois River plankton ; capable of an associations! 

 interpretation . 



LlNTNER, J. A. 



1878. Report on the Insects and Other Animal Forms of 

 Caledonia Creek, New York. Tenth Ann. Rep. 

 N. Y. Fishery Comm. for 1877, pp. 12-36. 

 One of the relatively few studies of the animals of a 



