681 



lata et radiata, eoneentrice subundulatim costellis vix elevatis lira- 

 ta; margine dorsali literato, declivi, subplanulato, antice brevius- 

 culo ; lunula elongata ; margine ventrali antice rotundato, postice 

 paululum emarginato. 



Longer, less turned upwards at the ventral edges, and less tri- 

 gonal than T. Malabarica, the riblets scarcely raised. 



Philippines. 



8. Tapes sulcosa (pi. cxlv. f. 13, 14), Philippi (Venus), 

 Abbild. t. 7.11. 



T. testa subtrigona, fulva, rubescente, griseo punctata et inter- 

 rupthn quadriradiata, costellis concentricis magnis insequalibus 

 subundulatis lirata ; latere antico brevi, subacuminato, latere pos- 

 tico oblique truncato ; margine dorsali literato, planulato, postice 

 elevato, rotundato, antice subexcavato ; margine ventrali antice 

 rotundato, postice subangulato, ante augulum paululum emar- 

 ginato. 



Of an oval trigonal form, rather short and pointed in front, 

 raised and truncated at the back. The ribs are broad, and in the 

 narrow interstices may be seen faint grey spots, in addition to 

 four interrupted purplish rays, more or less visible over the ribs. 



Australia. 



9. Tapes semirugata (pi. cxlv. f. 12), Pldlipjn (Venus), Ab- 

 bild. t. 7.f. 6. 



T. testa T. sidcom simili, sed costellis ad latera et umbones 

 evanidis. 



The ribs are only seen on the middle portion of the ventral 

 part of the shell, and the dorsal edge is rather straight ; in other 

 respects this species bears a close resemblance to T. sulcosa. 



Locality unknown. In Mr. Hanky's collection. 



10. Tapes textile (pi. cxlvi. f. 26, 27, 28), Gmel. Chemn. 

 pi. 42. f. 442. Venus undulata, Dilluoyn. 



T. testa, ovali, oblonga, crassfi, laevigata, fulva, fasciatim grises- 

 cente, angulatim fusco vel griseo lineata et reticulata j latere an- 

 tico brevi, subacuminato ; margine dorsali purpureo-literato, gra~ 

 datim declivi, antice lunulato; umbonibus tumidis. 



Oval, rather long, smooth, of a buff-colour reticulated with 

 greyish-brown. 



Coast of Malabar, Lam. The small variety with livid umbocs 



