[42]

Proc. Roy. Soc. lii. 1893, p. 132; Festschr. 70 ten. Geburtstage R. Leuckarts, 4to, Leipzig, 1892, p. 293.

[43]

Hincks, Hist. Brit. Marine Polyzoa, vol. i. 1880, p. 581.

[44]

Rés. Camp. Sci. Prince de Monaco, Bryozoaires, 1903, p. 23.

[45]

Challenger Reports, Part lxii. 1887. See also Masterman in Quart. J. Micr. Sci. xl. 1898, p. 340; xlvi. 1903, p. 715; Rep. Brit. Ass. (1898), 1899, p. 914; Tr. R. Soc. Edinb. xxxix. 1900, p. 507; and the notes in the Zool. Anz. xx. 1897, pp. 342, 443, 505; xxii. 1899, pp. 359, 361; and xxvi. 1903, pp. 368, 593.

[46]

Cf. Cole, J. Linn. Soc. xxvii. 1899-1900, p. 256.