264 BIBLIOGRAPHY 



LoEB, J., 1911. The Role of Salts in the Preservation of Life. 



Science, XXXIV. 

 LoEB, J., 1912. Heredity in Heterogeneous Hybrids. Jour. 



Morph., XXIII. 

 LoEB, J., and F. W. Bancroft, 1911. Some Experiments 



on the Production of Mutants in Drosophila. Science, 



XXXIII. 

 LoEB, J., and F. W. Bancroft, 1913. The Sex of a Parthenogenetic 



Tadpole and Frog. Jour. Exp. Zool, XIV. 

 LoEB, J., und H., Wasteneys, 1911. Die Beeinfliissung der 



Entwicklung, etc. Bioch. Zeits., XXXVII. 

 Loeb, J., und H. Wasteneys, 1911. Weitere Bemerkungen iiber 



den Zusammenhang zwischen Oxydationsgrosse und Cytolyse 



der Seeigeleier. Bioch. Zeits., XXXI. 

 Lutz, a. M., 1912. Triploid Mutants in Oenothera. Biol. Centr., 



XXXII. 

 Lutz, F. E., 1911. Experiments with Drosophila ampelophila 



concerning Evolution. Carnegie Inst. Wash., pub. 143. 

 Lutz, F. E., 1913. Experiments concerning the Sexual Difference 



in the Wing Length of Drosophila ampelophila. Jour. Exp. 



Zool, XIV. 

 McClendon, J. F., 1910. On the Effect of External Conditions 



on the Reproduction of Daphnia. Am. Nat., XLIV. 

 McClung, C. E., 1902. The Accessory Chromosome — Sex De- 

 terminant? Biol. Bull., 111. 

 McClung, C. E., 1902. Notes on the Accessory Chromosome. 



Anat. Anz.,XX. 

 McClung, C. E., 1905. The Chromosome Complex of Orthopteran 



Spermatocytes. Biol. Bull., IX. 

 McCooK, H. C, 1893. American Spiders and their Spinning 



Work. 3 vols. Philadelphia. 

 McCracken, I., 1909. Heredity of the Race-characters. Univol- 



tinism, etc., in the Silkworm. Jour. Exp. Zool., VII. 

 Mark, E. L., and U. Copeland, 1907. Maturation Stages in the 



Spermatogenesis of Vespa maculata. Proc. Am. Acad. Arts 



and Sci., XLIII. 

 Marshall, F. H. A., 1908. The Effects of Environment and 



Nutrition upon Fertility. Sci. Progr., VII. 



