450 ENTOMOLOGY 
Vernon, H. M. 1903. Variation in Animals and Plants. 9+ 415 pp. 
New York. Henry Holt & Co. 
Enteman, W. M. 1904. Coloration in Polistes. Publ. Carnegie Inst. 
Washington, no. 19, 88 pp., 6 pls., 26 figs.* 
Von Linden, Grafin M. 1905. Physiologische Untersuchungen an Schmet- 
terlingen. Zeits. wiss. Zool., bd. 82, pp. 411-444, taf. 25.* 
ADAPTIVE COLORATION 
Bates, H. W. 1862. Contributions to an Insect Fauna of the Amazon 
Valley. Lepidoptera: Heliconide. Trans. Linn. Soc. Zool., vol. 
23, PP. 495-566, pls. 55, 56. 
Wallace, A. R. 1867. [Theory of Warning Coloration.] Trans. Ent. 
Soc. London, ser. 3, vol. 5, Proc., pp. 80-81. 
Butler, A. G. 1869. Remarks upon certain Caterpillars, ete., which are 
unpalatable to their enemies. Trans. Ent. Soc. London, pp. 27-29. 
Trimen, R. 1869. On some remarkable Mimetic Analogies among Afri- 
can Butterflies. Trans. Linn. Soc. Zool., vol. 26, pp. 497-522, pls. 
42, 43. 
Meldola, R. 1873. On a certain Class of Cases of Variable Protective 
Colouring in Insects. Proc. Zool. Soc. London, pp. 153-162. 
Miiller, F. 1879. Ituna and Thyridia; a remarkable case of Mimicry in 
Butterflies. Trans., R. Meldola, Proc. Ent. Soc. London, pp. 20- 
29, figs. I-4. 
Blackiston, T., and Alexander, T. 1884. Protection by Mimicry—A 
Problem in Mathematical Zoology. Nature, vol. 20, pp. 405-406. 
Poulton, E. B. 1884. Notes upon or suggested by the Colours, Markings. 
and Protective Attitudes of certain Lepidopterous Larve and 
Pupz, and of a phytophagous hymenopterous larva. Trans. Ent. 
Soc. London, pp. 27-60, pl. rf. 
Poulton, E. B. 1885. Further notes upon the markings and attitudes of 
lepidopterous larve. Trans. Ent. Soc. London, pp. 281-320, pl. 7. 
Poulton, E. B. 1887. The Experimental Proof of the Protective Value 
of Colour and Markings in Insects in reference to their Vertebrate 
Enemies. Proc. Zool. Soc. London, pp. 191-274. 
Wallace, A. R. 1889. Darwinism. 16+ 494 pp, 37 figs. London and 
New York. Macmillan & Co. 
Poulton, E. B. 1890. The Colours of Animals. 13-+ 360 pp., 1 pl. 66 
figs. New York. D. Appleton & Co. 
Beddard, F. E. 1892. Animal Coloration. 8+ 288 pp., 4 pls., 36 figs. 
London, Swan Sonnenschein & Co. New York, Macmillan & Co. 
Haase, E. 1893. Untersuchungen uber die Mimicry auf Grundlage eines 
naturlichen Systems der Papilioniden. Bibl. Zool., Heft 8, Theil 
1, 120 pp., © tat; Dheil 2, 161 pp. 6 tat. rans, dheill 2, Ga Me 
Child, Stuttgart, 1896, 154 pp., 8 pls. 
Finn, F. 1895-97. Contributions to the Theory of Warning Colours and 
Mimicry. Journ. Asiat. Soc. Bengal, vols. 64-67. 
Dixey, F. A. 1896. On the Relation of Mimetic Patterns to the Original 
Form. ‘Trans. Ent. Soc. London, pp. 65-79, pls. 3-5. 
