Lhe Lnfluence of Lxternal Conditions 2a 
Morphologische und _physiologisch chemische Untersuchungen ueber 
die Pigmente der Lepidopteren, I. Die gelben und roten Farb- 
stoffe der Vanessen. Arch. f.d. Ges Physiol. XCVIII. 1903. 
Die Ergebnisse der experimentellen Lepidopterologie. Biol. Centralb, 
xxiv. Ig04. 
MERRIFIELD, F. Report of Progress in Pedigree Moth-Breeding. Trans. 
Entomol. Soc. London. 1888. 
Incidental Observations in Pedigree Moth-Breeding. Ibid. 1889. 
Systematic Temperature Experiments on Some Lepidoptera in 
all Stages. Ibid. 1890. 
Conspicuous Effects on the Markings and Colouring of Lepidoptera. 
Ibid. 18or. 
The Effects of Artificial Temperature on the Colouring of Several 
Species of Lepidoptera with an Account of Some Experiments on 
the Effects of Light. Ibid. 1892. 
The Effects of Temperature in the Pupa Stage on the Colouring of 
Pieris napi, Vanessa atalanta, Chrysophanus phloeas, and Ephyra 
puctaria. Ibid. 1893. 
Temperature Experiments in 1893 on Several Species of Vanessa and 
Other Lepidoptera. Ibid. 1904. j 
Recent examples of the effect on Lepidoptera of extreme Temperature 
applied in the Pupal Stage. Proceedings of the South London En- 
tomol. and Nat. Hist. Soc. 1897. 
Parker, G. H., and Starratt, S. A. The Effect of Heat on the Color 
Changes in the Skin of Anolis Carolinensis (Cuv.). Proc. of the 
Amer. Acad. of Arts and Sci. XL. 1904. 
Pictet, A. L’Influence des changements de nourriture sur les chenilles 
et sur la formation in sexe de leurs papillons. Compt. Rend. Soc. 
de phys. et d’hist. Nat. Geneve, XIX. rg02. 
L’influence des changements de nourriture des chenilles et sur le 
developpement de leurs papillons, I. Compt. Rend. Soc. Hebret. 
sc. Nat. Geneve. Arch. sc. phys. et nat. 
Variations des papillons provenant des changements d’alimentation 
de leurs chenilles et de Vhumidité. Arch. sc. phys. et nat. Geneve. 
XVI. 1903. 
Notes complementaires sur les variations des papillons provenant de 
Vhumidité. Soc. de Phys. et d@’hist. Nat. Bull. d. séances, I. 1903. 
Poutton, E. B. The Essential Nature of the Coloring of Phytophagous 
Larve (and their Pupe), with an Account of Some Experiments 
upon the Relation between the Color of such Larve and that of 
their Food Plants. Proc. of the Roy. Soc. 1885. 
A Further Enquiry into a Special Color-Relation between the Larva 
of Sinerinthus ocellatus and its Food Plants. Proc. of the Roy. 
Soc. 1886. 
An Inquiry into the Cause and Extent of a special Color-Relation 
between certain exposed Lepidopterous Pupe and the Surfaces 
which immediately surround them. Proc. of the Roy. Soc. XLII. 
1887. 
The TepetentAl Proof of the Protective Value of Color and Mark- 
ings in Insects in reference to their Vertebrate Enemies. Proc. 
of the Zool. Soc. of London, 1887. 
Further Experiments upon the Color-Relation between certain Lepi- 
