BIBLIOGRAPHY 587 



1909. RIDDLE, O. : Our knowledge of melanin colour formation 



and its bearings on the Mendelian description of Heredity. 

 Biol. Bulletin, xvi. 



1910. - Studies with Sudan III. in Metabolism and Inheritance. 



Journ. Exp. Zool. vm. 



1907. RIGNANO, E. : Ueber die Vererbung erworbener Eigenschaft- 

 en. Hypothese einer Zentroepigenese. Engelmann, Leip- 

 sic. pp. 399. 



1911. -- Upon the Inheritance of Acquired Characters. A hypo- 



thesis of heredity, development, and assimilation. Trans. 

 by B. C. H. Harvey, Chicago, pp. 413. [Independent 

 mnemic theory of heredity. Arguments for belief in the 

 transmission of acquired characters.] 



1.891-. RIMPAU : Kreuzungsprodukte landwirthschaftlichen Kultur- 

 pflanzen. Landwirthschaft. Jahrb. xx. pp. 335-371. 



1895. ROHDE, F. : Ueber den gegenwartigen Stand der Frage 



nach der Entstehung und Vererbung individueller Eigen- 



schaften und Krankheiten. Fischer, Jena. pp. x -f 149. 



[Chiefly medical.] 

 1886. ROMANES, J. G. : Physiological Selection. Journ. Linn. Soc. 



xix. pp. 337-411. 

 1892-97. -- Darwin and after Darwin. London. 3 vols. 



1896. - An Examination of Weismannism. 8vo. pp. ix + 221. 



1897. - Essays. Edited by C. Lloyd Morgan, pp. 253. 



Nature, Sept. 28, p. 515. [Telegony.] 



1906. ROMMEL, G. M., and PHILIPP, E. F. : Inheritance in the 



Female Line of Size of Litter in Poland China Sows. Proc. 



Amer. Phil. Soc. XLV. pp. 244-254. 

 1906. ROMMEL, G. M. : The Fecundity of Poland China and Duroc 



Jersey Sows. United States Dept. of Agriculture, Wash- 



ington. 

 1905. ROSA, D. : Es gibt ein Gesetz der progressiven Reduktion 



der Variabilitat. Biol. Centralbl. xxv. pp. 337-349. 

 1889. ROSENTHAL, J. : Zur Frage der Vererbung erworbener 



Eigenschaften. Biol. Centralbl. ix. pp. 510-512. 

 1901. ROSNER, A. : Sur la Genese de la Grossesse Gemellaire Mono- 



choriale. Bull. A cad. Sci. Cracovie, No. 8, November, 



pp. 443-450, i pi. See Edinburgh Med. Journal, LIII. 



(1902). pp. 298-299. 

 1885. ROTH, E. : Die Thatsachen der Vererbung in geschicht- 



lichkritischer Darstellung. 2nd ed. Hirschwald, Berlin. 



pp. 147. [A* valuable history.] 



