LAWS OF ENVIRONMENTAL CHANGE 91 



Very valuable discussion of the atmospheric con- 

 ditions in and about woodlands; temperature, 

 evaporation, etc., in open and wooded areas. Not 

 written from the process standpoint, but capable of 

 such an interpretation. (See Figures 6 and 7.) 



ADAMS, CHAS. C. 



1905. The Postglacial Dispersal of the North American 



Biota. Biol. Bull., Vol. IX, pp. 53-71. 

 Climatic sequences applied to inland habitats and the 



succession of their associations. 

 1909. Isle Roy ale as a Biotic Environment. Ann. Rep. 



Mich. Geol. Surv. for 1908, pp. 1-56. 

 An attempt is made to treat the environment and 

 biota from both the dynamic or process standpoint 

 so far as the present processes are concerned and 

 genetically with regard to the development of the 

 present conditions. 



RUTHVEN, A. G. 



1906. An Ecological Survey in the Porcupine Mountains and 



Isle Royale, Michigan. Ann. Rep. Mich. Geol. 

 Surv. for 1905, pp. 17-55. 



The environment and biotic associations are treated 

 from the dynamic and genetic standpoint. 



