CYPRINA. 



139 



the postero-dorsal margin has a greater ventral slope. G. ijrotensa belongs to the 

 sub-genus Vcnilicardin, Stoliczka.' 



Type. — In the Sedgwick Museum ; from the Pernn-bed of Atherfield. 



Distribution.— Lower Greensand : rerna -bed of Atherfield and Sandown. 



Fia. 21. — C'ljprinn (Vtnilicardia) protensa, sp. nov. Lower Greensand {Pema-hci), Atherfield. 

 Sedgwick Museum. Eight valve, x -J. 



Crackers of Atherfield. Ferruginous Sands of Slmnklin (Meyer Collection). 

 Atherfield Beds of Peasemarsh. 



Cvruix.v SowEunvr, d'Orhign)/, 1850. Plate XXI, figs. S, 0. Text-fig. 22. 



183G. Cyprina ANG1JI.ATA, .7. iJi; C. Soirerhy. Trans. Geol. Soc., ser. 2, vol. iv, 



p. 128. 

 1845. — E. Forbes. Quart. .Toiiru. Geol. Soc, vol. i. p. 24<) 



(parliin). 

 1850. — SowERBYi, A. (VOrhigny. Proilr. iIp Pal., vol. ii, p. 78. 



18.54. — ANouLATA. J. MnrrSf. Cat. T.rit. Fos.s., e<l. 2, p. IHO {/lartim). 



Mensur erne lit. •: 



.s : 



Length 

 Height 



(1) (2) 



71 . Gl 

 GO . 51 . 

 (1, 2, 4) Hvthc Beds. nvUic. 



(3) Lower Greeusaml, near Atherfield 



(3) 

 50 



52 



(4) 



55 mm. 



■I'S „ 



Palteont. ludica, Cret. Fauna S. India.' vol. iii (1870), p. IW. 



