ECHINODERMATA. 
95 
Order IV. Echinoidea. 
Fam. 1. Cidaridae. 
Genus Echinus, L. 
Echinus esculentus , L.; Forbes, Brit. Starfishes, p. 149. 
Common amongst the tangles at extreme low water, and 
in the laminarian region; young specimens occur under 
stones between tide-marks. In many the intestinal canal is 
loaded with fragments of laminarian stalks, pieces of Delesseria, 
and other seaweeds covered with Membranipora ; in some 
there are fragments of the shells of Balani and tubes of 
Serpulce. 
Echinus miliar is, Leske ; Forbes, Brit. Starf. p. 161. 
Not uncommon under stones in rock-pools. 
Echinus Flemingii , Ball; Forbes, Brit. Starf. p. 164. 
Occasionally in deep water off the bay, and thrown on the 
West Sands after storms. The specimens are much less than 
those of the Channel Islands. 
Genus Toxopneustes, Agassiz. 
Toxopneustes drohachiensis , O. F. Muller ; Forbes, Brit. 
Starf. p. 172 (as Echinus neglectus). 
Not uncommon on the West Sands after storms. The spe¬ 
cimens are smaller than those from the Channel Islands. 
Fam. 2. Clypeastrid®. 
Genus Echinocyamus, Leske. 
Echinocyamus angulosus , Leske; Forbes, Brit. Starf. 
p. 175. 
Abundant in deep water and in the stomachs of the cod, 
flounder, and haddock. Worn specimens also occur at the 
East Rocks amongst the shell-gravel. 
