DAVENPORT. — EVOLUTION OF PECTEN. 147 



Eigenmann, C. H. 



1895. Leuciscus balteatus (Richardson), a Study in Variation. Ameri- 

 can Naturalist, XXIX. 10-25. Pis. 1-5. 

 G-arstang, W. 

 1898. On the Variation, Races, and Migration of the Mackerel (Scomber 

 scomber). Jour. Mar. Biol. Assoc, N. S. VI. 235-295. 

 Gulick, J. T. 



1873. On Diversity of Evolution under one Set of External Conditions. 

 Jour. Linn. Soc. Zool., XI. 495-505. 

 Hefferan, Mary. 



1900. Variation in the Teeth of Nereis. Biol. Bull., II. 129-143. 

 Heincke, F. 



1898. Naturgeschichte des Herings. I. Die Localformen und die Wan- 

 derungen des Herings in den europaeischen Meeren. Abh. d. 

 Seefisch. Verein, II. cxxxvi. + 128, 26 Taf. 

 Kyle, H. M. 



1900. Contributions toward the Natural History of the Plaice (P. plat- 

 essa L.). Rept. Fishery Board Scotland, XVIII. 189-241. 



Jordan, D. S. 



1893. Temperature and Vertebrae — a Study in Evolution. Wilder 

 Quarter Century Book, pp. 13-36. Ithaca, N. Y. 

 Lee, A. (and K. Pearson). 



1901. Data for the Problem of Evolution in Man. — VI. A First Study 

 of the Correlation of the Human Skull. Phil. Trans., CXCVI. 

 225-264. 



Lewenz, M. A., and Whitely, M. A. 



1902. Data for the Problem of Evolution in Man. A Second Study of 

 the Variability and Correlation of the Hand. Biometrika, I. 

 345-360. 



Locard, A. 



1898. Mollusques Testaces. In : Expeditions scientifique du Travailleur 

 et du Talisman pendant les annees 1880-1S83. Tom. II. 515 

 pp., 18 pis. 



Mayer, A. G. 



1902. Some Species of Partula from Tahiti. A Study in Variation. 

 Mem. Mus. Comp. Zool., XXVI. 117-135. 1 pi. 



Moenkhaus, W. J. 



1895. The Variation of Etheostoma caprodes Rafiuesque in Turkey 

 Lake and Tippecanoe Lake. Proc. Indiana Academy of Science, 

 No. 5, 278. 

 Newbigin, Marion I. 



1898. Color in Nature. A Study in Biology. London, 1898. 



