Body Colour in Amphipods and Isopods. 163 
2. Gammarus marinus is occasionally attacked by a very large bacterium, 
which circulates in great numbers in the blood. The infected animals 
become white in colour, owing to their blood being deprived of pigment, and 
to reflection of light from the bacteria. 
(1) Tarr, J. 
(2) Idem. 
(3) Idem. 
(4) Tart, J., and J. D. 
(5) Tart, J. 
(6) Mayer, P. 
(7) Marzporrr, C. 
(8) Bauer, V. 
(9) Préron, H. 
(10) Brunrz, L. 
(11) Newsiery, M. I. 
(12) WInTERSTEIN, H. 
(13) Hem, F. 
(14) Smiru, G. 
(15) Rosson, G. C. 
(16) VeEspovsky, F. 
(17) Idem. 
(18) Menct, E. 
BIBLIOGRAPHY. 
Quart. Journ. Exper, Physiol., 1908, i. 247-249. 
Ibidem, 1910, i111. 1-20. 
Proc. Physiol. Soc., Journ. Physiol., 1910, xl. p. xli. 
Journ. Mar. Biol. Assoc., 1911, ix. 191-198. 
Proc. Roy. Soc. Hdin., 1917, xxxvii. 50-94. 
Gunn. Quart. Journ. Exper. Physiol., 1917, xi. 
Proc. Physiol. Soc., Journ. Physiol., 1910, xl. pp. xl.-xli. 
Mitteil. aus d. zool. Stat. in Neapel, 1879, i. 521-522. 
Jenaische Ztsch. f. Naturgesch., 1882, xvi. 1-58. 
Centralb. f. Physiol., 1905, xix. 453-462. 
Bull. Sci. France, Belgique, Paris, 1914, sér. 7, xlviii. 30-79. 
OV sock bol ho0G. Ivin ts lh 830-636. 
Journ. Physiol., 1897, xxi. 237-257, 
Handbuch d. vergl. Physiol., Bd. 1., 2te Halfte, 1912, p. 102. 
Etudes sur le sang des crustacés décapodes, Theses @ la 
Faculté des Sciences de Paris, 1892, Paris, Imprimerie 
Edouard Duruy. 
Quart. Journ, Micr. Sc., 1912, lvii. 251-265. 
Ibidem, 1912, lvii. 267-278. 
Centralb. f. Bacteriol., Abt. II., 1900, vi. 577-589. 
Ibidem, Abt. IT., 1904, xi. 481-496. 
Arch. f. Protustenk., 1907, viii. 259-280. 
(Issued separately, 7th December 1917.) 
