LIMPETS

gasteropod molluscs with oval tent-shaped sheils firmly attached rocks or stones. The adhesion is made with a circular ma of muscle which when raised in the center forms a sucker. The shell is lined with a fringmantle Vee which bears Pet a circlet of oe folds that take the place of the gil s of other molluscs. jong, tadula Within or spiny the L.’s tongue mouth armed lies weed to aoulace ger i food, Patella pol ihe cormtion iL, is widely disuteq on British and other rocky. hee een tropical species _ attain 28’ E.), river, S.E. Africa; rises in S.W. of Pretor i a, and flows in semi circle between Transvaal and Rhodesia then acro Portug. H. Africa, discharging into Ind. Ocean. ¢