765 



et distante laraellosa; lamellis erectis, tenuibus, latis, in latere 

 postico angulum rectum formantibus; lunula, elougataj angusta, 

 irregulariter circuQidata ; valvis intiis violaceis, in medio flavo- 

 rubescentibus, raarginibus in medio subcrenulatis ; sinu pallii tri- 

 gone, profundo, apice acuto/^ 



Whitish-brown on the outside, rich brownish-red inside, radi- 

 ately costated, with distant, concentric, erect laminae, which are 

 angularly produced at the posterior angle of the shell. 



Mazatlan. 



7. Venerupis insignis (pi. clxiv. f, 5, 6), Besliayes, Pro. 

 Zool. Soc. 1853. 



V. testa irregulari, crassa, tumida, radiatim striata, concentrice 

 irregulariter subfoliata, inti^is rubro-violacea, ad marginem nigres- 

 cente, extiis versus marginem aurantia violascente ; margine iu- 

 terno Isevi. 



A finely coloured irregular shell, which it is just possible may 

 be a local variety of V. crenata, with the fringes undeveloped. 



New Zealand, H. Evans, R.N. Cuming's collection. 



8. Venerupis mitis (pi. clxv. f. '?3), Beshayes, Pro. Zool. 

 Soc. 1853 (ined.). 



Y. testa oblonga subquadrata, pallida, postice angulata, leviter 

 radiatim striata; concentrice laminis paululum elevatis cincta; 

 margine intiis laevi. 



Small, oblong-squarish, with regular slightly-raised concentric 

 laminae and fine radiating striae. 



9. Venerupis derelicta (pi. clxiv. f. 16), Besliayes, Pro. 

 Zool. Soc. 1853 (ined). 



Y. elougata, pallida, radiatim striata, concentrice laminis crenu- 

 latis postice productioribus cincta; latere postico lato, oblique 

 subquadrato ; latere antico subproducto angustato ; margine ven- 

 tral! contracto. 



The elongate JSfo^w^^-like form may possibly be accidental, ana 

 in all other respects this species is like V. Irus. 



It is from the Philippines. Cuming. 



10. Yenerupis oblonga (pi. clxv. f. 21), Sowerby, Pro. Zool. 

 Soc. 1834, p. 46. All Yenerirupis subdecussata, Besh, ? 



Y. " testa elongo-eUiptica, pallescente ; radiatim costellata ; linea 

 dorsali postica rectiuscula ; lamellis concentricis pluribus; postice 

 laevigatis.^' 



