DONAX.— Plate IX. 



ou the posterior side, with the edge raised into a cord, 

 and compressly acuminated anteriorly. 



Species 66. (Mus. Hanley.) 



DoNAX VELLICATA. Boti. testd subelongato-ohhngd, ra- 

 diatim dense sulcato-striatd, griseo-alhd, ad umbones 

 purpurascente, alio minute hiradiatd, latere postico 

 abnipte inincato, ad margiiiem coiiirncto, latere an- 

 tico rotimdato. 



The nipped Donax. Shell rather elongately oblong, 

 radiately closely groove-striated, greyish-white, pur- 

 plish at the iimboes, and minutely two-rayed with 

 white, posterior side abruptly truncated, contracted 

 at the margin, anterior side rounded. 



Hub: ? 



A rather solid elongately oblong species, somewhat 

 bluntly slopingly truncated at the posterior end, which 

 towards the ventral margin is peculiarly contracted or 

 pinched. 



Species 67. (Mus. Hanley.) 



Donax spiculum. Bon. testd lunceolato-oblonyd, amjmtd, 

 radiatmi tenidter stdcato-striatd, carneo-fulvescente, 

 epiderniide corned flavicante juxta marginem indutd, 

 latere postico brevissimo, obtuse angulato, anfico lan- 

 ceolato-rotmidato. 



The little bolt Donax. Shell lanceolately oblong, 



naiTOw, radiately finely groove-striated, flesh-tinged 

 fulvous, covered next the margin with a yellowish 

 homy epidermis, posterior side very short, obtusely 

 angled, anterior lanceolately rounded. 

 Hab. ? 



Of this species, also from Mr. Hanley's collection, there 

 is but a single valve. It is of a peculiarly lanceolate form, 

 of a very short abrupt growth posteriorly. 



Species 68. (Mus. Hanley.) 



Donax bitincta. Bon. testd trigono-oblongd, subcurvatd, 

 versus marginem compressd, radiatim tenuiter sulcato- 

 striatd, albidd, radio lato roseo-purpurascente pietd, 

 latere postico declim-angulato, ared subcoucavd, medio 

 elevatd, roseo-pmpurascente, latere antico compresso- 

 rotundato. 



The docble-stained Donax. Shell triangularly ob- 

 long, slightly curved, compressed towards the margin, 

 radiately finely groove-striated, whitish, painted with 

 a broad rose-purple ray, posterior side slopingly an- 

 gled, area subcoucave, raised in the middle, rose- 

 purple, anterior side compressly rounded. 



Eab. ? 



Of an oblong curved form, with the posterior area gently 

 angularly sloping, rather concavely raised, and stained in 

 a characteristic manner with rose-purple, of which colour 

 there is a single broad ray in the middle of each valve. 



