640 GENETICS IN RELATION TO AGRICULTURE 
1917. A statistical study of some indirect effects of certain selections in breed- 
ing Indian corn. U.S.D.A. Jour. Agr. Research, 11. 
Ritey, H. E., 1909. Some observations in telegony. Rept. Am. Breed. Assoc., 5. 
Rimpav, W., 1891. Kreuzungsproduktion landw. Kulturpflanzen. Landw. Jahrb. 
1903. Untersuchungen uber die Bestechung des Getreides. Landw. Jahrb., 
22. 
Ritzman, E. G., 1916. Mendelism of short ears in sheep. Jour. Agr. Research, 6. 
Roserts, H. F., 1912. First generation of hybrids of American Chinese corn. Rept. 
Am. Breed. Assoc. 8. 
Rome, G. M., 1906. The fecundity of Poland-China and Duroc Jersey sows. 
Circ. 95, U.S.D.A. Bur. An. Ind. 
1913. The Grevy zebra as a domestic animal. Am. Breed. Mag, 4. 
Roria, A., 1899. Welche Beziehungen bestehen zwischen den Reproduktionsorganen 
der Cerviden und der Geweihbildung derselben? Arch. entwick. Organ, 9. 
Rosanorr, A. J., 1911. A study of the heredity of insanity. Eugenics Record 
Office Bull., 5. 
Rosenau, M. M., and Anprrson, J. F., 1907. Studies upon hypersusceptibility 
and immunity. (Transmission by mother but not by father.) Hygienic Lab’y, 
U.S. Pub. Health and Marine-Hospital Service. 
Sarir, 8. R., 1913. A new eye color mutation in Drosophila and its mode of inherit- 
ance. Biol. Bull. 25. 
1916. Buff, a new allelomorph of white eye color in Drosophila ampelophila. 
Genetics, 1. 
SaLaMan, R., 1912. On the hereditary characters in the potato. Jour. Roy. Hort. 
Soc., 38. 
Satmon, E.§S., 1906. On raising strains of plants resistant to fungous disease. Rept. 
3d Intern. Conf. Genet., London. 
SaunpgErs, E. R., 1910. Studies in the inheritance of doubleness in flowers. I. 
Petunia. Jour. Gen., 1. 
1911. Further experiments on the inheritance of ‘‘doubleness’”’ and other char- 
acters in stocks. Ibid. 
191la. The breeding of double flowers. Proc. 4th Intern. Conf. Genet. Paris. 
1911b. On inheritance of a mutation in the common foxglove (Digitalis pur- 
purea). New Phytologist, 10. 
1912. Further contribution to the study of the inheritance of hoariness in stocks. 
(Matthiola). Proc. Roy. Soc., B, 85. 
1913. On the mode of inheritance of certain characters in double-throwing 
stocks. Areply. Zeit. Abst. Vererb., 10. 
Srnpy, A. D., and Houser, F., 1912. Tobacco: Breeding cigar fillerin Ohio. Ohio, 
A.E.S., Bull. 239. 
Semon, R., 1912. “Das Problem der Vererbung ‘‘erworbener Eigenschaften,” 
Leipzig. 
Suame., A. D., 1905. The effect of inbreeding in plants. In U.S.D.A. Yearbook. 
1911. Astudy of the improvement of citrus fruits through bud selection. 
Cir. 77, U.S.D.A. Bur. Pit. Ind. 
1912. Breeding citrus fruits. Mo. Bull. State Com. Hort., Calif. 
1917. Citrus fruit improvement—how to secure and use tree performance 
records. U.S.D.A. Farmers Bull., 794. 
Suaw, H. B., 1914. Thrips as pollinators of beet flowers. U.S.D.A., Bull. 104. 
1916. Self, close, and cross fertilization of beets. Mem. N. Y. Bot. Gard., 6. 
Suaw, E. L., and Hexusr, L. L., 1914. Domestic breeds of sheep in America. U.S. 
DA, Bull., 94. 
Digitized by Microsoft® 
