Hyas Araneus.

Hyas coarctatus.

Eurynome aspera. From deep water.

Cancer pagurus [Parten].

Pirimela denticulata. In rock pools, and from deep water.

Carcinus mœnas. See [p. 271].

Portumnus latipes. Amongst sand at low tide.

Polybius Henslowi.

Portunus puber.

Portunus holsatus.