634 GENETICS IN RELATION TO AGRICULTURE 
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Leake, H. M., 1911. Studies in Indian cotton. Jour. Gen., 1. 
Leavitt, R. G., 1909. A vegetative mutant and the principle of homceosis in plants. 
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Leaier, E., 1911. Selection of beets on H. Mette’s seed farm at Quedlinburg in the 
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Linus, F. R., 1916. The theory of the free-martin. Science, n.s.,43. 
1917. Sex determination and sex differentiation in mammals. Proc. Nat. Acad. 
Sci. 3. 
Littiz, C.C., 1911. The “dilute” forms of yellow mice. Science, n.s., 33. 
1911b. The influence of heredity and of environment in determining the coat 
colors in mice. Science, n.s., 34. 
1912. Preliminary note on the occurrence of a sex-limited character in cats. 
Science, nD. s., 35. 
1913. Experimental studies of the inheritance of colors in mice. Carnegie 
Inst. Wash. Pub. 179. 
1913a. Yellow and agouti factors in mice. Science, n.s., 38. 
1914. Dominant and recessive spotting in mice. Am. Nat., 48. 
1914a. Coat color in pointer dogs. Jour. Hered., 5. 
1916. The inheritance of black-eyed white spotting in mice. Am. Nat., 49. 
1917. The relation of yellow coat color and black-eyed white spotting of mice 
in inheritance. Genetics, 2. 
Lirrie, C. C., and Purturps, J. C., 1913. A cross involving four pairs of Mendelian 
characters in mice. Am. Nat., 47. 
Luoyp-Jones, O., 1915. Studies on inheritance in pigeons. Jour. Exp. Zodl., 18. 
1916. Mules that breed. Jour. Hered., 7 
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cattle. Ja. A. HE. S. Research Bul., 30. 
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1907. On the inheritance of certain invisible characters in peas. Proc. Roy. Soc., 
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1908. The present state of knowledge of heredity in Pisum. Annals Roy. Bot. 
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1909. A preliminary survey of species crosses in the genus Nicotiana from the 
Mendelian standpoint. Jbid., 4. 
1912. Notes on color inheritance in maize. Jbid., 5. 
Logs, J., 1916. The sex of parthenogenetic frogs. Proc. Nat. Ac. Sci., 2. 
1916a. On the association and possible identity of root-forming and geotropic 
substances or homones in Bryophyllum calycinum. Science, n.s., 44. 
1917. Influence of the leaf upon root formation and geotropic curvature 
in the stem of Bryophyllum calycinum and the possibility of a hormone theory 
of these processes. Bot. Gaz., 63. 
1917a. The chemical basis of axial polarity in regeneration. Science, n. s., 46. 
Lotsy, J. P., 1906-08. ‘‘Vorlesungen ueber Descendentztheorien,” Jena. 
1911. Hybridesentreespeces d’Antirrhinum. Repts.4th Intern. Conf.Genet., Paris. 
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