282 Literaturverzeichnis 



Shearer, C, Morg-an, W. de and Fuchs, H. M. 1912. On paternal characters in 

 Echinoid hybrids. Quart. Journ. micr. Science, 58. 



Shinji, G. 0. 1918. A contribution to the physiology of wing development in aphids. 

 Biol. Bull., 35. 



SIiiill, A. V. 1910/12. Studies in the life cycle of Hydaiina senia. I. Artificial control 

 of the transition from the parthenogenetic to the sexual method of reproduction. 

 II. The role of temperature, of the chemical composition of the medium, and of 

 internal factors upon the ratio of parthenogenetic to sexual forms. III. Internal 

 factors influencing the proportion of male-producers. Journ. exp. Zool., 8, 10, 12. 



— 1913/15. Inheritance in Hydaiina senia. I. Viability of the resting eggs and 

 the sex ratio. IL Characters of the females and their parthenogenetic eggs. 

 Journ. exp. Zool., 15, 18. 



Shnll, G. H. 1908. The composition of a field of maize. Am. ßieeders' Assoc, 4. 



— 1909. The „presence and absence" hypothesis. Amer. Nat., 43. 



— 1909. A pure line method in com breeding. Am. Breed. Assoc, 5. 



— 1910. Hybridization methods in corn breeding. Am. Breed. Mag., 1. 



— 1910. Inheritance of sex in Lychnis. Bot. Gaz., 49. 



— 1911. Reversible sex-mutants in Lychnis dioica. Bot. Gaz., 52. 



— 1912. Genotypes, biotypes, pure lines and clones. Science, N. S, 35. 



— 1912. Hermaphrodite females in Lychnis dioica. Science, N. S. 36. 



— 1914. Duplicate genes for capsule-form in Bursa bursa-pastoris. Zeitschr. f. 

 indukt. Abstammungs- u. Vererbungsl., 12. 



Smith, G. 1906. Rhizocephala. Fauna und Flora des Golfes von Neapel. Monographie 29. 



— 1909. Crustacea. Cam. Nat. Hist. 



— 1910. Studies in the experimental analysis of sex. 1 — VII. Quart. Journ. micr. 

 Sc, 54, 55, 56, 57. 



Spilhnan, W. J. 1908. Spurious allelomorphism. Results of recent investigations. 

 Amer. Nat., 42. 



— 1909. Barring in barred Plymouth Rocks. Poultry, 5. 



Staplos-Brown, R. 1912. Second report on the inheritance of color in pigeons, with 



special reference to sex-limited inheritance. 

 Stevons, N. M. 1905. Studies in spermatogenesis with especial reference to the 



„accessory chromosome". Carnegie Inst., Wash., 36. 



— 1911. Heterochromosomes in the guinea-pig. Biol. Bull., 21. 



Stomps, Th. J. 1919. Gigas-Mutation mit und ohne Verdoppelung der Chromosomen- 

 zahl. Zeitschr. f. indukt. Abstammungs- u. Vererbungsl., 2L 



Stout, A. J{. 1915. The establishment of varieties in Coleus by the selection of somatic 

 variations. Carnegie Inst., Wash., 218. 



Strasburger, K. 1911. Kernteilung bei der Erbse. Flora, 2. 



Streng, lt. M. 1912. Results of hybridizing ring-doves, including sex-linked inheri- 

 tance. Biol. Bull., 23. 



Stui-tevant, A. H. 1912. An experiment dealing with sex-linkage in fowls. Journ. 

 exp. Zool., 12. 



— 19 12. Is there association between the yello w and agouti factors in mice ? Amer. Nat., 46. 



— 1913. The Himalayan rabbit case, with some considerations on nuiltiple alle- 

 lomorphs. Amer. Nat., 47. 



— 1914. Linkage in the silkworm moth. Amer. Nat., 48. 



— 1915. No Crossing over in the female of the silkworm moth. Amer. Nat., 49. 

 Snmncr, F. B. 1915. Genetic studies of several geographic races of California deer- 



mice. Amer. Nat., 49. 



— 1917. Several color mutations in mice of the genus Peromyscus. Genetics, 2. 



