Let it be borne in mind that Avicula, Mytilus, Chiton, Natica, Patella, Trochus, Discina, Orbicula, Lingula, Rhynchonclla, and Nautilus, all of which are existing genera, are given without a doubt as Silurian in the last edition of "Siluria"; while the highest forms of the highest Cephalopods are represented in the Lias by a genus Belemnoteuthis, which presents the closest relation to the existing Loligo.

"It makes me think of a beautiful young Greek, in a purple chiton, with a wreath of roses in his hair.

Though clad only in the Spartan chiton, they took vigorous part in dancing and probably wrestling.

There were also varieties of the following genera: namely, lepas, chiton, cardium, pinna, nerita, two or three species of ostrea, a small mytilus, and a small buccinum of great beauty; that covered the rocks and at low water might be collected in abundance.

Chiton rugosus (n.s.)