BIBLIOGRAPHICAL APPENDIX 34I 



Adams, Charles C. 191 5. An ecological study of prairie and forest inverte- 

 brates. Bull. 111. Sta. Lab. Nat. Hist. 11:33-280. See Hankinson 

 (1915). 



Eifrig, C. W. G. 1913. Notes on some of the rarer birds of the prairie part of 

 the Chicago area. The Auk 30:236-40. 



. 1919. The birds of the sand dunes of northwestern Indiana. Proc. 



Ind. Acad. Sci. (1918), 289-303. 



. 1919. Notes on birds of the Chicago area and its immediate vicinity. 



The Auk 36:513-24. 

 Flint, W. P. 1934. The automobile and prairie wild life. 111. State Nat. 



Hist. Surv., Biol, notes No. 3. 8 pp., mimeographed. (Destruction of 



animals on highway east of Urbana.) Univ. of 111. Library. 

 Hankinson, T. L. 191 5. The vertebrate life of certain prairie and forest 



regions near Charleston, Illinois. Bull. 111. Sta. Lab. Nat. Hist. 11:281- 



303. See Adams (191 5). 

 Hendrickson, G. O. 1930. Studies on the insect fauna of Iowa prairies. 



Iowa State Coll. Jour, of Sci. 4:49-180. 

 . 1930. Notes on vertebrates of Iowa prairies. Proc. Iowa Acad. 



Sci. 37:398-99. 

 Shackleford, Martha W. 1929. Animal communities of an Illinois prairie. 



Ecology 10:126-54. 



PRAIRIE AND FOREST EDGE 



Carpenter, J. R. 1935. Fluctuation of biotic communities. I. Prairie and 

 forest ecotone of Central Illinois. Ecology 16:203-12. 



METHODS 



Forbes, Stephen A. 1928. Concerning certain ecological methods of the 

 Illinois Natural History Survey. Trans. 111. Sta. Acad. Sci. 21:19-25 

 (1929). Earlier version in brief in Science 66:405-6. 1927. 



Shelford, V. E. 1930. Ways and means of improving the quality of investiga- 

 tion and publication in animal ecology. Ecology 11:235-237. 



. 1929. Laboratory and Field Ecology. 608 pp. Baltimore. 



