276 INBREEDING AND OUTBREEDING 



188 ROMMELL, G. M. : The Fecundity of Poland-China and Dnroc-Jersey 

 Sows. Cir. 95, U. S. Dept. Agr., Bur. An. Ind., 1906, pp. 12. 



Us ROMMELL, G. M. : The Inheritance of Size of Litter in Poland- 

 China Sows. Amer. Breed. Assn. Rpt., 1907, v, 201-208. 



190 ROMMELL, G. M., and PHILLIPS, E. F. : Inheritance in the Female 



Line of Size of Litter in Poland-China Sows. Proc. Amer. Phil. 

 Soc., 1906, xlv, 245-254. 



191 SAGERET, A. : Considerations sur la production des hybrides, des 



variantes et des varietes en general, et sur celles de la famille de 



Cueurbitacees en particulier Ann. des Sci. Nat., 1826, viii, 294- 



314. 

 i2 SHAMEL, A. D. : The Effects of Inbreeding in Plants. Yearbook 



U. S. Dept. Agr., Washington, 1905, pp. 377-392. 

 "3 SHULL, G. H. : The Composition of a Field of Maize. Amer. Breed. 



Assn. Rpt., 1908, iv, 296-301. 



194 SHULL, G. H. : A Pure Line Method of Corn Breeding. Amer. 



Breed. Assn. Rpt., 1909, v, 51-59. 



195 S'HULL, G. H.: Hybridization Methods in Corn Breeding. Amer. 



Breed. Mag., 1910, i, 98-107. 

 19 BSHULL, G. H.: The Genotypes of Maize. Amer. Nat., 1911, xlv, 



234-252. 

 i" SHULL, G. H. : Duplicate Genes for Capsule Form in Bursa bursa- 



pastoris. Zeitschr. f. ind. Abst. u. Vererb., 1914, xii, 97-149. 

 18 SHULL, A. F. : The Influence of Inbreeding on Vigor in Hydatina 



senta. Biol Bull, 1912, xxiv, 1-13. 



199 SHULI/, A. F. : Studies in the Life Cycle of Hydatina senta. III. 



Jour. Exp. Zool, 1912, xii, 283-317. 



200 STRASBURGER, E.: Versuche mit diocaschen Pflanzen in Riicksioht 



auf Geschlechtsverteilung. Biol. Centralbl., 1900, xx, 657. 



201 STRASBURGER, E. : Ueber gesclilechtbestimmende Ursachen. Jahrb. 



Wiss. Bot., 1910, xlviii, 427-520. 

 2 2 STURTEVANT, A. H. : The Linear Arrangement of Six S'ex-linked 



Factors in Drosophila, as Shown by Their Mode of Association. 



Jour. Exp. Zool, 1913, xiv, 43-59. 

 BOS STURTEVANT, A. H. : The Behavior of the Chromosomes as Studied 



through Linkage. Zeitschr. f. ind. Abstam. u. Vererb., 1915, xiii, 



234-287. 



204 SURFACE, F. M. : Fecundity in Swine. Biometrika, 1909, vi, 433-136. 

 B5ToYAMA, K.: Mendel's Law of Heredity as Applied to Silkworm 



Crosses. Biol. Chi, 1906, xxvi, 321-334. 

 2oe VOISIN, A. : Contribution a 1'histoire des mariages entre consanguins. 



Compt. rend. Acad. Sci., 1865, Ixv, 105-108. 



