680 



Coloured like T. papUionacea, more vcntricose and square, with 

 the ribs coutinuous, rounded and elevated. 

 Philippines. 



4. Tapes exarata (pi. cxlv. f. 18), Philip^n (Venus), Ab- 

 bild. pi. V. f, 6. 



T. testa subquadrata, minute et profunde lirata ; pallide fulva, 

 pallide rufo maculata et literata, maculis pallidis quadriradiata ; 

 margine dorsali Kterato, rectiusculo, paululum declivi; margine 

 ventrali postice truncato, prope medium vix emarginato, antice 

 elevato. 



Resembling T. lirata, but shorter and more truncated, with 

 the riblets very minute although equally deep. The colour is 

 pale literated brown, with four pale brown interrupted rays. 



Eed Sea. 



5. Tapes euglypta (pi. cxlv. f. 17), Philippi (Venus), pi. vii. 

 f. 3. 



T. testa subquadrata, distanter concentrice costellata; rufa, 

 fusco-quadriradiata ; margine dorsali rectiusculo, postice vix de- 

 clivi ; margine ventrali postice truncato, rectiusculo, antice ele- 

 vato. 



Of a square form resembhng T. exarata, but with the ridges 

 few and distant. 



Locality unknown. 



6. Tapes amabilis (pi. cxlv. f. 11), PJiilipjn (Venus), Ab- 

 bild. pi. vii. f. 2. 



T. testa oblonga, subventricosa, planulatim sulcis profundis in- 

 termedhs lirata ; pallide rufa, griseo obscure maculata ; margine 

 dorsali vix literato, postice declivi, antice subexcavato; margine 

 ventrali subrotundato, antice elevato, postice rotundatim sub- 

 truncato. 



The coloui- is pale pink, with obscure markings of purplish- 

 grey. The ribs are flat, with deep intermediate grooves. The 

 shell is more ventricose than T. lirata. 



Locality unknown. A fine specimen in Mr. Cuming's col- 

 lection. 



7. Tapes declivis (pi. cxlv. f. 9), Sowerbi/,jim. 



T. testa elongato-subtrigona, subsequilatera, fulva, griseo macu- 



