No. 540] 



STUDIES ON MELANIN 



755 



Cockerell (1907). An Investigation of Evolution in Chrysomelid Beetles of 

 the Genus Leptinotarsa. (A book review.) Science, N. S., XXVI, p. 71. 



Dewitz (1902). Recherehes experimental sur la metamorphose des insects. 

 Compt. rend. soc. biol., LIV, p. 44. 



Durham (1904). On the Presence of Tyrosinases in the Skins of some Pig- 

 mented Vertebrates. Proc. Boy. Soc, LXXIV, p. 310. 



Gortner (1910). A Contribution to the Study of the Oxidases. Trans. 

 Lond. Chem. Soc, XCVII, p. 110. 



(1910b.). The Origin of the Brown Pigment in the Integuments of 



the Larva of Tenebrio Molitor. Jour. Biol. Chem., VII, p. 365. 



(1911). Studies on Melanin— II. The Pigmentation of the Adult 



Periodical Cicada. Jour. Biol. Chem., X, p. 89. 



(1911b.). Studies on Melanin— III. The Inhibition by certain Phe- 

 nolic Substances of the Action of Tyrosinase. (A Suggestion as to the 

 Cause of Dominant and Recessive Whites.) Jour. Biol. Chem., X, 



Griffiths (1892). Recherehes sur les couleurs de quelques insectes. Compt. 



rend. acad. sci., CXV, p. 958. 

 Mulliken (1910). Identification of Pure Organic Compounds. Vol. 3. 



Commercial Dyestuffs. Wiley and Sons, New York. 



dromia germanica. Compt. rend, soc biol., LIX, p. 17. 



Roques (1909). Sur la variation d'une enzyme oxydante pendant la meta- 

 morphoses chez un Trichoptere. Compt. rend. acad. sci., CXLIX, p. 418. 



Tower (1903). The Development of the Colors and the Color Patterns of 

 Coleoptera, with Observations upon the Development of Color in other 

 Orders of Insects. The Decennial Publications, The University of 

 Chicago, Vol. X, p. 33. 



(1906). An Investigation of Evolution in Chrysomelid Beetles of the 



Genus Leptinotarsa. Publication No. 48, The Carnegie Institution of 

 Washington. 



