[18]

Thalassoplancta = Floating on the sea; θαλασσόπλαγκτα.

[19]

Compare Thalassoplancta cavispicula, Monogr. d. Radiol., 1862, p. 261, Taf. iii. figs. 10-13.

[20]

Lampoxanthium = Scum-burdock; λάμπε, ξάνθιον.

[21]

Loc. cit., Taf. xxxii., xxxiii.

[22]

Belonozoum = Needle-animal; βελόνη, ζῶον.