Hincks, Brit. Mar. Polyzoa, i. p. 558.

[533]

See Hincks, Brit. Mar. Polyzoa, i. p. lxiv.; and Busk, Cat. of Marine Polyzoa in the British Museum, part ii. 1854, p. 103.

[534]

J. Linn. Soc. xv. 1881, p. 359.

[535]

"Challenger" Report, part xxx. 1884, pl. ix.

[536]

Hincks, Brit. Mar. Polyzoa, i. p. 58.

[537]