LITERATURE 447 



Krukenberg, C. F. W. 1884. [Colors and Pigments of Insects.] Ent. 

 Nachr., jhg. 10, pp. 291-296. 



Poulton, E. B. 1884. Notes upon, or suggested by the Colours, Markings 

 and Protective Attitudes of certain Lepidopterous Larvae and 

 Pupae, and of a phytophagous hymenopterous larva. Trans. Ent. 

 Soc. London, pp. 27-60, pi. I. 



Poulton, E. B. 1885. The Essential Nature of the Colouring of Phytopha- 

 gous Larvae and their Pupae, etc. Proc. Roy. Soc. London, vol. 

 38, pp. 269-315- 



Poulton, E. B. 1885. Further Notes upon the Markings and Attitudes of 

 Lepidopterous Larvae. Trans. Ent. Soc. London, pp. 281-329, pi. 7. 



Poulton, E. B. 1887. An Enquiry into the Cause and Extent of a Special 

 Colour-Relation between Certain Exposed Pupae and the Surfaces 

 which immediately surround them. Phil. Trans. Roy. Soc. Lon- 

 don, vol. 178, pp. 311-441, pi. 26. 



Chapman, T. A. 1888. On Melanism in Lepidoptera. Ent. Mon. Mag., 

 vol. 25, p. 40. 



Dixey, F. A. 1890. On the Phylogenetic Significance of the Wing-Mark- 

 ings in certain Genera of the Nymphalidae. Trans. Ent. Soc. Lon- 

 don, pp. 89-129, pis. 1-3. 



Merrifield, F. 1890. Systematic temperature experiments on some Lepi- 

 doptera in all their stages. Trans. Ent. Soc. London, pp. 131-159, 

 pis. 4, 5. 



Poulton, ,E. B. 1890. The Colours of Animals. 13 -f 360 pp., i pi., 66 

 figs. New York. D. Appleton & Co. 



Seitz, A. 1890, 1893. Allgemeine Biologic der Schmetterlinge. Zool. 

 Jahrb., Abth. Syst, etc., bd. 5, pp. 281-343; bd. 7, pp. 131-186.* 



Coste, F. H. P. 1890-91. Contributions to the Chemistry of Insect Colors. 

 Entomologist, vol. 23, pp. 128-132, etc. ; vol. 24, pp. 9-15, etc. 



Hopkins, F. G. 1891. Pigment in Yellow Butterflies. Nature, vol. 45, 

 pp. 197-198. 



Merrifield, F. 1891. Conspicuous effects on the markings and colouring 

 of Lepidoptera caused by exposure of the pupae to different tem- 

 perature conditions. Trans. Ent. Soc. London, pp. 155-168, pi. 9. 



Urech, F. 1891. Beobachtungen iiber die verschiedenen Schuppenfarben 

 und die zeitliche Succession ihres Auftretens (Farbenfelderung) 

 auf den Puppenfliigelchen von Vanessa urticse und lo. Zool. 

 Anz., jhg. 14, pp. 466-473. 



Beddard, F. E. 1892. Animal Coloration. 8 -f- 288 pp., 4 pis., 36 figs. 

 London, Swan Sonnenschein & Co. New York, Macmillan & Co. 



Gould, L. J. 1892. Experiments in 1890 and 1891 on the colour-relation 

 between certain lepidopterous larvae and their surroundings, to- 

 gether with some other observations on lepidopterous larvae. 

 Trans. Ent. Soc. London, pp. 215-246, pi. n. 



Merrifield, F. 1892. The effects of artificial temperature on the colouring 

 of several species of Lepidoptera, with an account of some experi- 

 ments on the effects of light. Trans. Ent. Soc. London, pp. 33-44. 



