18 



with fmaller intermediate ones, diverging from the pofte- 

 rior margin ; the dorfal valve fomewhat comprefTcd, and 

 (Irongly ftriated longitudinally, with a fmooth fub-cari- 

 nated edge. Length a quarter of an inch, breadth nearly 

 as ni«ch : colour dirty-white: pedicle (hort, dulky: fliape 

 fomewhat like the lalt, but fliorter and more triangulated. 

 This new and elegant fpecies we found on Gorgonia Fla- 

 bellum on the DorfctJJiire coaft near Portland I/lnnd : the 

 few that were on it were detached, not in clullerii; fome 

 not half as large as that defcribed. 



A figure of the natural fize was accidentally omitted. 



4. 

 ScAi.PF.LLUM. Lepas Scalpellum. Lin. Syft. p. 1 109, — Ginel. Syjl. p. 3210. 11. 



Tab. 1. f. 4. Chem. Conch, viii. vig. 17. f. A. and a. 



Lifter. Conch t. 439. f. 2S1. 



Gualt. t. 106. f. C. 



Ph. Tranf. 1 758. vol. 2. t. 34. f. 4. (Ellis.) 



Turt. Lin^ iv. p 16S. 



L. with thirteen valves of a light brown colour, not 

 poliflied, but rather rough without any ftrias ; faintly 

 wrinkled in fome parts, and covered with fhort hairs ; 

 thofe on the dorfal valve fet in feries or rows tranfverfely : 

 the three lower valves on each fide, to which the peduncle 

 is fixed, are very fmall ; the two next larger; the fupe- 

 rior one the largefi, running a little oblique to the red, 

 and is pointed at the top : the dorfal valve is compreffed, 



the 



