149 



suhdeclivi ; latere postico brevi ; eitremitate anticd rotundatd ; 

 posticd seriebus duabus vel tribus radiantibus spinarum serratd ; 

 lunuld parva, distinctd ; ligamento infosso ; dente laterali antico 

 subapprosimato, postico remoto. Long. O' 60 ; lat. O" 80 poli. 

 Hab. Isle of Ticao, six fathoms. 



Mr. Cuming's uniąue specimen of this curious shell possesses cha- 

 racters which cannot readily be confounded with any other species. 

 It is to Gargadia, however, that it is most allied. 



Tbli-ina fimbriata. Tel. testd obovato-rotundatd, solidd, convesd, 

 candidd, striis concentricis confertissimis lamellosis fimbriatis, et 

 lineis radiantibus confertis, decussatd ; margine ventrali arcuato, 

 postice sursum acclinante ; dorsali utringue convexiusculo, antice 

 subdeclivi, postice valde declivi ; latere antico longiore, rotundato ; 

 extremitate posticd brevi, angulatd; costd umbonali valde conspicud; 

 ligamento infosso ; lunuld distinctd ; dentibus lateralibus subremo- 

 tis, subaguidistantibus. Long. 1'25; lat. 1'42 poli. 



Hab. ? Mus. Cuming. 



In sculpture not unlike T. decussata ; in form more akin to T. os- 

 tracea. 



Tellina subtrtjncata. Tel. testd obovatd, valdi intBąuilaterali, 

 albidd, striis lamellosis fimbriatis confertissime ornatd; margine 

 ventrali antice arcuato, postice subrecto et sursum acclinante; 

 dorsali utringue magis minusve convexo, antice declivi, postici 

 maxime declivi ; extremitate anticd rotundatd ; latere postico bre- 

 vissimo, subtruncato, angulato ; ligamento infosso ; dentibus late- 

 ralibus subceguidistantibus. Long. G' 60; lat. O' 75 poli. 

 Hab. Isle of Bohol ; on the reefs, low water. 

 I had almost regarded the first specimen of this rare shell in Mr. 

 Cuming's collection as a monstrosity, but the examination of another 

 specimen in Sir Edward Belcher's cabinet has satisfied me that the 

 seeraingly diseased and stunted appearance is characteristic and not 

 accidental. 



Tellina perplexa. Tel. testd T. ostracese affinis, subovatd autem, 

 striisgue ėjus concentricis, magis confertis et superne haud lamel- 

 losis ; margine dorsali antico paululUm declivi. Long. 1'20; 

 lat. 1-65 poli. 

 Hab. Bay of Manila ; sandy mud, six fathoms : Cuming. 

 Rather a solid shell, which is apparently closely allied to the lin- 

 tea of Conrad ; but the curvature of the ligamental margin, as repre- 

 sented in the figure of that shell, by no means agrees with its direc- 

 tion in perplexa. 



" Descriptions of six new species of Voluta," by G. B. Sowerby, 

 Esq. : — 



Voluta mammilla, Gray. Vol. testd ovato-oblongd, tenui, lutes- 

 cente, apice mammillari, obtusissimo, subspirali ; anfractibus 

 duobus, ultimo magno, ovali, maculis lineisgue castaneis picto ; 

 aperturd magnd ; columelld plicis tribus. 



