[83] Nereis margaritacea, of which the head and fore parts of the body crawling over a stone are depicted at the left-hand corner of Plate [XVIII.]

[84] Polynoe cirrata.

[85] Dr. Williams, On the British Annelida, p. 219.

[86] Lepidogaster bimaculatus, of which individuals of different varieties of colour, and in different attitudes, are represented in Plate [XIX.]

[87] Let me refer my readers to an excellent and most interesting paper on this little fish, by my friend, Mr. W. R. Hughes, in the Zoologist for July 1864.

[88] Asterina gibbosa, figured in the right-hand foreground of Plate [XX.]

[89] Echinus miliaris, a specimen of which may be seen delineated in Plate [XX.], in the upper left-hand corner.

[90] Comatula rosacea; a fine specimen of which, taken by myself in a little cove near Torquay, I have delineated in the centre of Plate [XX.]

[91] Porcellana longicornis.

[92] Porcellana platycheles, represented by the central figure in Plate [XXI.]