624 GENETICS IN RELATION TO AGRICULTURE 
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1915b. Linkage and semi-sterility. Am. Nat., 49. 
Benepict, R. C., 1915. Some modern varieties of the Boston fern and their source. 
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1916. The origin of new varieties of Nepholepsis by orthogenetic saltation. 
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BuakeE, M. A., 1913. Individuality in rose plants. Proc. Soc. Hort. Sct. 
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1915a. Correlation between egg laying and yellow pigment in the domestic fowl. 
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BLaRINGHEM, L., 1913. ‘‘Le Perfectionment des Plantes,” Paris. 
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Bouuey, H. L., 1912. Importance of maintaining a constant elimination factor in 
association with a nutrition factor in plant breeding. Proc. Am. Breed. Assoc., 8. 
Bonn, C. J., 1912. On heterochromia iridis in man and animals from the genetic 
point of view. Jour. Gen., 2. 
Borina, Auice M., and Peary, Raymonp, 1914. The odd chromosome in the sper- 
matogenesis of the domestic chicken. Jour. Exp. Zodl., 16. 
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Bovertr, Tu., 1907-14. Important papers on cytology; bibliography in Morgan. 
Bowater, W., 1914. Heredity of melanism in Lepidoptera. Jour. Gen., 3. 
Boyp, M. M., 1906. Breeding of polled Herefords. Repts. Am. Breed. Assoc. II. 
Brinczs, C. B., 1913. Partial sex linkage in the pigeon. Sci., 37. 
1913a. Non-disjunction of the sex chromosomes of Drosophila. Jour. Erp. 
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1914. Chromosome hypothesis of linkage applied to cases in sweet peas and 
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1914a. Direct proof through non-disjunction that the sex-linked genes of Droso- 
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1915. A linkage variation in Drosophila. Jour. Exp. Zool., 19. 
1916. Non-distribution as proof of the chromosome theory of heredity. Gen- 
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1917. An intrinsic difficulty for the variable force hypothesis of crossing-over. 
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Brivess, C. B., and Sturtevant, A. H., 1914. A new gene in the second chromo- 
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Briem, H., 1911. Seed roots in beet raising. Abstr. in Mo. Bull. Agr. Intell., 2. 
Brooks, C., 1914. Bottom-end rot of tomatoes. Phytopathology, 4. 
Buper, J., 1915. Chimaren und Pfropfmischlinge. Die Naturwissenschaften, Bd. 3, 
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Buu, C. B., 1908. Corn breeding in Minnesota. Minn. A.E.S., Bull. 107. 
Camerarivs, (Camerer) R. J., 1694. ‘“Epistola de sexu Plantarum.” 
CampBELL, D, H., 1911. The nature of graft-hybrids. Am. Nat., 45. 
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