BIBLIOGRAPHY 397 



Robson, G. C. 1932. On Cephalopoda in the Raffles Museum. Bull. 



Raffles Museum, Singapore, no. 7, 21-33. 

 1932a. A Monograph of the Recent Cephalopoda, II. British 



Museum, London. 

 Rokizky, P. T. 1930. Ueber das Hervorrufen erblicher Veranderungen 



bei Drosophila durch Temperatureinwirkung. Biol. Zentrbl., 50, 



554-566, 3 tables. 

 Roosevelt, T. 191 1. Revealing and concealing coloration in birds 



and mammals. Bull. Amer. Mus. Nat. Hist., 30, 1 19-231. 

 Roosevelt, T., and Heller, E. 1915. Life Histories of African Game 



Animals. Vols. I— II. London. 

 Roszkowski, W. 19 1 2. Notes sur les Limnees . . . du lac Leman. 



Zool. Anz., 40, 375-381. 

 Rothschild, L. W. 191 6. Some new Lepidoptera from Siam and 



Africa. Ann. Mag. Nat. Hist. (8), 17, 474-476. 

 Rothschild, L. W., and Hartert, E. 1915. The effect of environment 



on the evolution of species. Bull. Brit. Ornith. Club, 35, 128-142. 

 Rothschild, L. W., and Jordan, K. 1903. A revision of the Lepido- 



pterous family Sphingidae. Novit. Zool., 9, i-cxxxv + 1-972, 67 plates. 

 Russell, E. S. 1924. The Study of Living Things. London. 



1930. The Interpretation of Development and Heredity. Oxford. 



1932. Fishery research : its contribution to ecology. J. Ecol., 20, 



128-151. 

 Ruthven, A. G. 1908. Variations and genetic relationships of the 



Garter Snakes. Smithsonian Instn. U.S. Nat. Mus. Bull., 61, 1-201, 



82 figs. 

 Ruxton, A. E., and Schwarz, E. 1929. On hybrid Hartebeests . . . 



Proc. Zool. Soc. London, 1929, 567-583, 2 plates, 1 map. 



Salt, G. 1931. Parasites of the Wheat-stem Sawfiy, Cephus pygmaeus 

 Linnaeus, in England. Bull. Ent. Res., 22, 479-545, 29 figs., 2 tables. 



1932. The natural control of the sheep blowfly, Lucilia sericata 



Meigen. Bull. Ent. Res., 23, 235-245, 2 tables, 2 figs. 



Schilder, F. A. 1925. Zur Variabilitat von Cepaea. Zs. ind. Abst.- u. 



Vererbungsl., 39, 249-280. 

 Schlottke, E. 1 926. Ueber die Variabilitat der schwarzen Pigmentier- 



ung und ihrer Beeinflussbarkeit durch Temperaturen bei Habrobracon 



juglandis Ashmead. Zs. vergl. Physiol., 3, 692-736, 37 figs., 17 curves, 



5 tables. 

 Schmalfuss, H., and Werner, H. 1926. Chemismus der Entstehung von 



Eigenschaften. Zs. ind. Abst.- u. Vererb.lehre, 41, 285-358, 10 tables. 

 Schmidt, J. 19 18. Racial studies in fishes, I. J. Genetics, 7, 105- 118, 



1 plate, 7 figs. 



1919- Racial investigations, III. C.R. Trav. Lab. Carlsberg, 14, 



I_ 7- 

 1920. Racial studies in fishes, IV. J. Genetics, 10, 1 79-191. 



1930. Racial investigations, X. C.R. Trav. Lab. Carlsberg, 18, 



1— 71, 9 plates. 



1931- Eels and conger eels of the North Atlantic. Nature, 128, 



602-604, 3 figs. 



Schnakenbeck, W. i 93 i. Zum Rassenproblem bei den Fischen. Zs. 



Okolog. u. Mikr. Anat. Tiere., 21, 409-566, 50 figs. 

 Schroder, C. 1903. Ueber experimentell erzielte Instinktvariationen. 



Verh. Zool. Ges. Leipzig, 13, 158-166. 



