22 
Proceedings of the Royal Society of Edinburgh. [Sess 
LITERATURE. 
(1) Abbott, Biol. Bull., Woods Hole, 1913, vol. xxiv, pp. 169-174. 
(2) Bayliss, Principles of General Physiology, 1915, p. 125. 
(3) Couch, Bell’s History of British Stalk-eyed Crustacea , 1853, p. 78. 
(4) Cuenot, Arch, de Biol., 1893-5, t. xiii, pp. 245-303. 
(5) Lillie, Biol. Bull., 1909, vol. xvii, pp. 188-208. 
(6) Loeb, PfUigePs Arch., 1903, Bd. xcvii, S. 394-409. 
(7) Meigs, Proc. Soc. Exp. Biol. Med., 1913, vol. x, pp. 129-131. 
(8) Osterhout, Science, 1912, vol. xxxv, pp. 112-115. 
(9) Paul and Sharpe, Journ. of Phys., 1916, vol. i, pp. 183-192. 
(10) Plateau, “Recli. physico-chimiques s. 1. articules aquatiques,” Mem. cour 
Acad. Roy. Belgique, 1871, t. xxxvi. 
(11) Smith, Quart. Journ. Micr.Sci., 1912, vol. Ivii, pp. 251-268. 
(12) Smith, ibid., 1913, vol. lix, pp. 267-295. 
(13) Tait, Proc. Roy. Soc. Edin., 1917, vol. xxxvii, pp. 50-58. 
(14) Tait, ibid., pp. 59-68. 
(15) Vitzou, Arch. Zool. Exper., 1882, t. x, pp. 451-576. 
(Issued separately February 28, 1918.) 
