Note 157 — XII. DECEMBER.
Reading edition
Tenby.—The systematic appellations of these four species are Halichondria panicea, Halichondria rosea, Halichondria sanguinea, and Grantia compressa.
Reading edition
Tenby.—The systematic appellations of these four species are Halichondria panicea, Halichondria rosea, Halichondria sanguinea, and Grantia compressa.