210 TEXT-BOOK OF ENTOMOLOGY 



Poulton, Edward Bagnall. The essential nature of the colouring of phyto- 

 phagous larvje (and their pupse), etc. (Proc. Roy. Soc. London, xxxviii, 



pp. 269-315, 1884-1885.) 



An inquiry into the cause and extent of a special colour-relation between 



certain exposed lepidopterous pupse and the surfaces which immediately 



surround them. (Phil. Trans. Roy. Soc. London, clxxviii, pp. 311-441, 



1 PI., 1887.) 

 Krukenberg, C. Fr. W. Grundziige einer vergleichenden Physiologic der Farb- 



stoffe und der Farben. (Heidelberg, 1884, pp. 102.) 

 McMunn, C. A. Krukenberg's chromatological speculation. (Nature, xxxi, 



p. 217, 1885.) 

 Miiller, Fritz, and Dr. H. A. Hagen. The color and pattern of insects. (Kosmos, 



xiii, 1886, pp. 466-469.) 

 Slater, J. W. On the presence of tannin in insects and its influence on their 



colors. (Trans. Ent. Soc. London, 1887, iii, Proceed., pp. 32-34.) 

 Bemmelen, J. F. van. Ueber die Entwicklung der Farben und Adern auf den 



Schmetterlingsfliigeln. (Tijdschrift der nederland. Dierkundige Vereeniging, 



ser. 2, pp. 235-247, 1889.) 

 Hopkins, F. G. Uric acid derivatives functioning as pigments in butterflies. 



(Proc. Chem. Soc. London, 1889, p. 117 ; also Nature, xl, p. 335.) 

 Pigment in yellow butterflies. (Nature, xlv, p. 197, 1891.) 



- The pigments of the Pieridse. (Proc. Roy. Soc. London, Ivii, No. 340, 



pp. 5,6, 1894. Phil. Trans. Roy. Soc. London, clxxxvi, pp. 661-682, 1896.) 

 Coste, F. H. P. Contributions to the chemistry of insect colors. (The Ento- 

 mologist, xxiii, 1890 ; xxiv, 1891, pp. 9-15, etc. Nature, xlv., pp. 513-517, 



541-542, 605.) 

 Urech, F. Beobachtungen fiber die verschiedenen Schuppenfarben und die 



zeitliche Succession ihres Auftretens. (Zool. Anzeiger, xiv, pp. 466473, 



1891 ; Ibid., August 1, 1892.) 

 Beitrage zur Kenntniss der Farbe von Insektenschuppen. (Zeits. f. 



Wissens. Zool., Ivii, pp. 306-384, 1893.) 

 Griffiths, A. B. Recherches sur les couleurs de quelques insectes. (C. R. 



Acad. Sc. Paris, cxv, pp. 958, 959.) 

 Mayer, Alfred Goldsborough. On the color and color-patterns of moths and 



butterflies. (Proc. Bost. Soc. Nat. Hist., xxvii., March, 1897, pp. 243-330, 



10 Pis. See also p. 201 under Mayer.) 

 Also the writings of Bates, Beddard, Belt, Butler, Darwin, Dimmock, Dixey, 



Eimer, Haase, Higgins, Miiller, Poulton, Seitz, Wallace, Weismann. 



