No. 715]     RACIAL AND INDIVIDUAL VARIATION                       127 
Osgood, Wilfred H. 
1909. "Revision of the Mice of the American Genus Peromyscus,"
U. 
S. Dept. Agric., Biol. Surv., North Am. Fauna, No. 28, 285 
pp., 8 pls., 1 map, 12 figs. 
Parr, Albert Eide 
1931. "A Study of Subspecies and Racial Variations in Liparis liparis

Linneus and Liparis koefoedi, n. sp., in Northern Europe and 
the European Arctic Waters," Bergens Museums Arbok, 
1931, Naturv. rekke, No. 6: 1-71, figs. 1-6. 
Redeke, H. C. 
1902. "Variationsstatistische Untersuchungen uiber Fischrassen. Zu-

sammenfassende Uebersicht," Zool. Centralbl., 9: 645-670. 
1912. "Uber den gegenwiirtigen Stand unserer Kenntnis von den 
Rassen der wichtigsten Nutzfische," Cons. Perm. Intern. 
Expl. Mer., Rapp. et Proc. Verb., 14: 35 pp. 
1915. "Uber den gegenwiirtigen Stand unserer Kenntnis von den 
Rassen der wichtigsten Nutzfische. II. Die Lokalformen 
der Pleuronektiden," Loc. cit., 22: 33 pp. 
Rensch, Bernhart 
1929. "Das Prinzip Geographischer Rassenkreise und das Problem der 
Artbildung,'' Berlin, Gebriider Borntraeger: 1-206, figs. 1-27. 
Rounsefell, George A. 
1930. "Contribution to the Biology of the Pacific Herring, Clupea 
pallasii, and the Condition of the Fishery in Alaska," Bull. 
U. S. Bur. Fish., 45, 1929 (Doe. 1080): 227-320, fig. 1-53. 
Rutter, Cloudsley 
1896. "Notes on Fresh-water Fishes of the Pacific Slope of North 
America. I. On the Sticklebacks of California, with Special 
Reference to Individual Variations," Proc. Calif. Acad. Sci., 
(2) 6: 245-254. 
Schmidt, Johs. 
1917a. "Racial Investigations. I. Zoarces viviparus L., and Local 
Races of the Same," C.-t. Tray. Lab. Carlsberg, 13: 279-397. 
1917b. 'Racial Investigations.  II.  Constancy Investigations Con- 
tinued," Ibidem, 14, No. 1: 1-19. 
1918. "Racial Studies in Fishes. I. Statistical Investigations with

Zoarces viviparus L.," Journ. Gen., 7: 105-118. 
1919a. "Racial Studies in Fishes. II. Experimental Investigations 
with Lebistes reticulatus (Peters) Regan," Journ. Genetics, 
3: 147-153. 
1919b. ''Racial Investigations.  III.  Investigations with  Lebistes 
reticulatus (Peters) Regan," C.-R. Tray. Lab. Carlsberg, 14, 
No. 5: 1-8. 
1919c. "Racial Studies in Fishes. III. Diallel Crossings with Trout

(Salmo trutta L.)," Journ. Gen., 9: 61-67. 
1920. "Racial Investigations. V. Experimental Investigations with 
Zoarces viviparus L.," C.-R. Trav. Lab. Carlsberg, 14, No. 9: 
1-14. 
1921. "Racial Investigations. VII. Annual Fluctuations of Racial