[153] Cynthia quadrangularis, represented in the background of Plate [XXXIV.], rising above the cockle shell which supports the Currants.
[154] Amœrœcium proliferum.
[155] Two familiar kinds of Botryllus are represented in Plate [XXXV.]; of which I cannot with certainty indicate the specific names.
[156] Wanderings in New South Wales, etc., vol. i.
[157] Tenby.—The systematic appellations of these four species are Halichondria panicea, Halichondria rosea, Halichondria sanguinea, and Grantia compressa.
[158] Grantia coriacea.
[159] Halina Bucklandi.
[160] Halichondria incrustans.
[161] Leuconia nivea.
[162] It is possible that these may be fragments of the longer needles; but from their bluntly-pointed ends, and general agreement inter se, I do not think so.