BIBLIOGRAPHY 369 



Blaisdell, F. S. 191 2. HiherncLtion in Cicindelasemiiiis. Ent. News 23:156-59. 

 Blanchakd, F. N. 1930. The stimulus to the breeding migration of the 



spotted salamander Anibystoma maculatum. Amer. Nat. 64:154-67. 

 BoDENHEiMER, F. S. 1929. Studien zur Epidemiologie, Okologie und Physio- 



logie der afrikanischen Wanderheuschrecke. Zeitschr. f. angew. Entomol. 



15:435-537- 

 BoLSCHE, W. 1909. Daseinkampf und gegenseitige Hilfe in der Entwicklung. 



Kosmos 6:14-16; 42-46. 

 BoGARDUS, E. S. 1922. The world as a group concept. Jour. Applied Social. 



7:31-38. 

 . 19220. The principle of group priority — the individual and the group. 



lUd. 7:784-87. 

 BoHN, G., and A. Drzewina. 1920. Variations de la sensibilite a I'eau douce 



des Convoluta suivant les etats physiologiques et le nombre des animaux en 



experience. Conip. Rend. Acad. Sci. 171:1023-25. 

 . 1928. Nouvelles recherches sur les effets de masse dans les agglomera- 

 tions animals et essais d'interpretation. Soc. Biol. 99:1567-70. (See also 



Drzewina, A., and G. Bohn.) 

 Bond, Frank. 1921. The later flights of the passenger pigeon, 1872, 1875, 



1876. ^«^ 38:523-27. 

 BoNNEViE, K. 1907. Untersuchungen iiber Keimzellen der Bryozoen. Jena 



Zeitschr. f. Naturw. 42:567-98. 

 Borodin, D. N. 1930. Energy emanation during cell division processes (M- 



rays) . Plant Physiol. 5:11 9-30. 

 BoTTOMLEY, W. B. 1915. Some accessory factors in plant growth and nutrition. 



Proc. Roy. Soc. London B. 88:237-47. 

 . 1915a. A bacterial test for plant food accessories (auximones). Ibid. 



B. 89:102-8. 



-. 191 7. Some effects of organic growth promoting substances (auxi- 



mones) on the growth of Lenina minor in mineral culture solutions. Ibid. 

 B. 89:481-507. 



-. 1920. The effect of nitrogen fixing organisms and nucleic acid deriva- 



tives on plant growth. Ibid. B. 91:83-95. 

 BouLENGER, G. A. 1912. Some remarks on the habits of British frogs and 



toads. Proc. Zool. Soc. London 1912:19-22. 

 BouviER, E. L. 1919. La vie psychique des insects. Paris: E. Flammarin. 



299 pp. (See Howard, L. O.) 

 BowEN, E. S. 1930. The role of the sense organs in aggregations of Ameiurus 



mclas. Ecol. Monographs i. 

 Bradley, J. C. 1908. Gregarious sleeping habits among aculeate Hymenoptera. 



Ann. Ent. Soc. Amer. 1:127-30. 



