REFERENCES 



1. General Works of Reference. — For general facts and theories the 

 following among others may be consulted : — 



Beddard, F. E. — Animal Coloration (London, 1892). 



ElMER, G. H. T. — Organic Evolution, as the Result of the Inherit- 

 ance of Acquired Characters, according to the Laws of Organic Growth. 

 Trans, by J. T. Cunningham (London, 1890). 



Geddes, p., and Thomson, J. A. — The Evolution of Sex (Con- 

 temporary Science Series, London, 1889). 



PouLTON, E. B. — The Colours of Animals (International Science 

 Series, London, 1890). 



Wallace, A. R, — Darwinism (London, 1889). 



Reference should also, of course, be made to the works of Darwin, 

 especially The Descent of Man, and Selection in Relation to Sex 

 (London, 1 87 1), and to the numerous books of travel which will be 

 found cited in the above. 



2. Special Questions. 



Abel, J., and Davis, W. — "The Pigments of the Negro's Skin 

 and Hair," Jour. Exfer. Med. vol. i. No. 3 (1896), pp. 361-400 

 I pi. 



Agassiz, a. — The Cruise of the Blake, Bull. Museum Compar. 

 Zool. Harvard College, U.S.A., 1888. Many Observations on Colours , 

 of Marine Organisms. 



Alcock, H. — "The Asteroidea of the Indian Marine Survey," 

 Ann. and Mag. Nat. Hist. vol. xi. (1893), pp. 73-121, 2 pis. 

 Colours of Deep-sea Forms. 



Andr^j E. — "Le Pigment m^lanique des IJamviss,," ■ Revue Suisse 

 de Zool. iii. (1895), pp. 429-431. 



Bateson, W. — Materials for the Study of Variation, London, 

 1894. Especially for Colour Variation, and for Colours of Pleuro- 

 nectids. 



Becquerel, Henri, et Brongniart, Charles — "La mati^re 

 verte chez les Phyllies," C. R. Ac. Sci. cxviii. No. 24 (1894), pp. 

 1299-1303. 



