DONAX. 315 



61. pulchella (f. 81, %%),Hanl. — Testa nblonga, cuneiformi, 

 tcnui, seinipellucida, cmereo-alba seu earned, purpuieo radiata 

 et fasciata, tenuissime radiatim striata, latere antico producto, 

 acuminato, medio snbeompresso, subcoiitracto, latere postico 

 tumido, obtuse angulato, brevi, area postangulari convexa. — 

 Tbere is no danger of confounding this semitransparent little 

 narrow species with any other. 



62. «NEtrs (f. 83), Miirch. — Testa parvfi, an gust e oblongn, 

 seinipellucida, iridescenti, tenuissime striata, pallida, purpureo 

 bifasciata, antice products, subacuminata, margine ventrali paruiu 

 convexo, postice vix contracto, latere postico acuminatim producto. 

 — Looking at this shell under the lens, a peculiar iridescence may 

 be seen and very minute stria?. 



63. petalinus (f. 86), Desli. — Testa tenui, trigono-oblonga, 

 laevigata, purpureo et fulvo radiatim fasciata, antice angusta, 

 acuminata, medio subcontract;!, postice tumid a, lata, elevata, sub- 

 quadrata, umbonibus fere medianis, margine ventrali intus cre- 

 nato. — A. pretty little petal-like species. 



04. spiculdm (f. 116, Plate III.), Hani— Testa quam D. 

 pulcliella solidiore, magis opaca, intus purpurea.- — Resembling 

 I), pnlchella in form, but more solid and opaque. It is strongly 

 purple within. 



65. inconspictjus (f. 117, Plate III.), Sowb. — Testa oblougo- 

 cuneata, complanata, laevigata, fusca, obscure purpureo radiata, 

 antice producta, subacuminata, postice angulata, minute radiatim 

 striata, area postangulari eonvexa. — Several specimens of this, in 

 Mr. Taylor's collection and our own, were at first taken for the 

 young of some large flat species, such as cuneata, but on exami- 

 nation they were found to be not at all rugose posteriorly but 

 only radiately striated. 



