CONTINUOUS PROCESS OF ADJUSTMENT 137 



Kon. Danske Vid. Selsk. Skrift., Bd. VII, R. II, pp. 

 48-56. 



The sandy flats of the sea coast of Jutland and Holland 

 are treated as a biotic association, and from a modern 

 ecological standpoint. 

 BAKER, F. C. 



1910. The Ecology of the Skokie Marsh Area, with Special 



Reference to the Mollusca. Bull. 111. State Lab. 

 Nat. Hist., Vol. VIII, pp. 441-499. 

 A descriptive account of local molluscan associations 

 near Chicago. 



1911. The Molluscan Fauna of Tomahawk Lake, Wisconsin. 



Trans. Wis. Acad. Sci., Arts and Letters, Vol. 

 XVII, pp. 200-246. 

 An associational study of molluscan succession. One 



of the very few of its kind. 

 HANCOCK, J. L. 



1911. Nature Sketches in Temperate America, pp. 451. 



Chicago. 



A discussion of the habitats of Orthoptera is given on 

 pp. 317-418, and a classification of them on pp. 

 419-433, based upon the egg-laying sites. 

 DAHL, F. 



1899. Das Leben der Vb'gel auf den Bismarckinseln nach 

 eigenen Beobachtungen vergleichend dargestellt. 

 Mitt, aus der Zool. Sammlung des Mus. fur Naturk. 

 in Berlin, Bd. I, Heft 3, pp. 107-222. 

 The bird habitats of the Bismarck Archipelago are 

 discussed. This is the earliest detailed study of 

 bird habitats known to the writer. 



1901. Das Leben der Ameisen im Bismarck-Archipel, nach 

 eigenen Beobachtungen vergleichend dargestellt. 

 Mitt. aus. d. Zool. Mus. in Berlin, Bd. II, Heft 1, pp. 

 1-69. 



An ecological study of ants, their nesting habitats, keys 

 to their ecological relations, and quantitative data. 



