Mr. E. Parfitt on a new Fossil Balanus. 



211 



articular ridge large, blunt, and curved towards the scutellar 

 margin, leaving a large articular furrow. Spur none ; basal 

 margin nearly straight ; in the place of the spur there is a 

 slight curve and a faint triangular depression. Carinal 

 edge very broad and thick, longitudinally striated; the 

 inner edge slightly reflected. 



The outside of both scutum and tergura, in the full-grown 

 specimens, is nearly or quite smooth ; but in the young or 

 about half-grown specimens it is transversely striated, the 

 strias not very deep, and consequently the ridges between 

 them not very prominent. 



This is a fossil species, and is found in considerable num- 

 bers, in some places almost covering the floor of a raised beach 

 between Saimton and Baggy Point, on the shore of North 

 Devon. It was first pointed out by the Rev. D. Williams in a 

 letter in the Geological Society's ' Transactions,' 1837, vol. v. 

 ser. 2, in reply to an article by Prof. Sedgwick and Sir R. 

 Murchison, in the same volume, on the raised beaches : but 

 this gentleman did not distinguish the species, and, curiously 

 enough, the learned Professor and Sir Roderick did not notice 

 it. As they form an important feature in this deposit, and 

 more particularly as they are in situ, these Balani are of vast 

 importance in discussing these raised beaches. These Balani 

 were killed on the spot they now occupy either by being sud- 



n T 



Balanus sauntonensis. 



Fig. I. Shell entire. 



Fig. II. Portion of base of shell. 



Figs. Ill & rV. Scutum and tergum, inside view. 



Fig. V. Part of young scutum, outside. 



denly lifted up above the action of the waves, or by being 

 suddenly covered with sand. The reason that 1 assert this is, 



15* 



