SOLETELLINA 



Plate II. 



Species 5. (Mus. Cuming.) 



SoLETELLiNA Adamsii. Sol. testd elomjato-trattSKersd, 

 convexiusculd, inaquilaterali, cceruleo-purpured, pos- 

 tice birad'iaid, epidermide olivaced nitente indntd, la- 

 tere antico rotundato, postico paiilo lotigiore, oblique 

 compresso-truncato. 



Adams'8 Soletellina. Shell elongately transverse, ra- 

 ther convex, inequilateral, bluish-purple, posteriorly 

 two-rayed, covered with a shining olive epidermis, 

 anterior side round, posterior a little the longer, ob- 

 liquely compressly truncated. 



Deshayes, MS., Mus. Cuming. 



Hab. Island of Negros, Philippines. 



Chiefly distinguished by the posterior end being slightly 

 obliquely truncated, and rather compressed. 



Species 6. (Mus. Cuming.) 

 Soletellina nitida. Sol. testd oblongo-ovatd, compres- 

 siusculd, subceguilaterali, purpuraxcente-albd, epider- 

 mide corned Itsvi translucidd nitente indutd, latere 

 antico rotundato, postico breviure, declivi-acuminato, 

 et concentrice rugosd. 

 The shining Soletellina. Shell rather compressed, 

 nearly equilateral, purplish-white, covered with a 

 smooth, shining, transparent, homy epidermis, an- 

 terior side rounded, posterior shorter, slopingly acu- 

 minated, and concentrically wrinkled. 

 Gray, MS., Mus. Brit. 

 Hah. New Zealand ; Strange. 



Of an extremely delicate purple-white substance, co- 

 vered with a peculiarly clear, glittering, horny epidermis. 



Species 7. (Mus. Cuming.) 

 Soletellina biradiata. Sol. testd ovato-lramversd, 

 couve.vo-pland, aquilaterali, lavigatd, purpureo et 



(jriseo trausvenim strigatd, postice biradiata, lateribus 

 superne arcuato-declimbiis, deinde subattenuato-rotmi- 

 datis. 

 The biradiate Soletellina. Shell ovatcly trans- 

 verse, conve.xly flattened, equilateral, smooth, trans- 

 versely streaked with purple and grey, posteriorally 

 two-rayed, sides areuately sloped at the upper part, 

 then somewhat attenuately rounded. 

 Solen biradlatus. Wood, Gen. Conch, pi. 33. f. 1, Index 



Test. pl. 3. f. 26. 

 Hab. Port Adelaide, Australia. 



Characterized on the posterior side with two conspicu- 

 ous narrow purple rays, on a fulvous halo-like ground, 

 breaking through the transverse blue and purple streaks. 



Species 8. (Mus. Cuming.) 



Soletellina diphos. Sol. testd elottgato-tran-sversd, stib- 

 eompressd, subcequilaterali, purpured, postice biradiata, 

 epidermide corned olivaced indutd, latere antico ro- 

 tundato, postico flexuose subacuminato-rostrato. 



The two-bayed Soletellina. Shell elongately trans- 

 verse, rather compressed, nearly equilateral, purple, 

 posteriorally two-rayed, covered with an olive horny 

 epidermis, anterior side rounded, posterior flexuously 

 sub-acuminately beaked. 



Solen diphos, Linnaeus, Mantissa, p. 554. ('hemnitz. 

 Conch. Cab. vol. vi. p. 68. pl. 7. f. 53, 54. 

 Solen rostratus, Lamarck. 

 Psammobia rostrata, Deshayes., 

 Soletellina radiata, De Blainville. 



Hab. Malacca. 



Distinguished from its allied species by the flexuous 

 acuminately beaked form of the posterior extremity. 



January, 1857. 



