A history of British star-fishes, and other animals of the class Echinodermata . e same naturewith that seen in Echinus:, but different in form, beingmuch shorter and broader, as befits the shape of the in-ternal cavity. It consists of five complicated teeth, thekeels of which are greatly produced into compressed beaks,which are rounded at the margins and grooved. Thewhole apparatus has the appearance of five rostra placedround an ancient naval column. The Green Pea-Urchin has been observed on most partsof the coast of Britain from Devon to Shetland, both east GREEN PEA-URCHIN. 177 and west. I
A history of British star-fishes, and other animals of the class Echinodermata . e same naturewith that seen in Echinus:, but different in form, beingmuch shorter and broader, as befits the shape of the in-ternal cavity. It consists of five complicated teeth, thekeels of which are greatly produced into compressed beaks,which are rounded at the margins and grooved. Thewhole apparatus has the appearance of five rostra placedround an ancient naval column. The Green Pea-Urchin has been observed on most partsof the coast of Britain from Devon to Shetland, both east GREEN PEA-URCHIN. 177 and west. In Ireland, Mr. W. Thompson informs meit is found at Bantry Bay and Portmarnock, and CaptainPortlock finds it in the north. In the Irish Sea it is abun-dant, and I have dredged it frequently alive in deep wateramong bivalve shells. In Guernsey I have found it aliveat low water. It probably is found throughout the seas ofEurope. I believe the Fibularia ovulum and F. tarentina ofLamarck, and the Fibularia angulosa of Deslonchamps,will all prove to be identical with this N 178 CLYPEASTERlyn:. ECHINIDJE. CLYPEASTERIJE.
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Keywords: ., bo, bookcentury1800, bookdecade1840, bookidhistoryofbritish00forb
