508 MR. A. ADAMS ON NEW MOLLUSCA. [Nov, 24, 



^/? /<^;'T ^ ^' Turcica concinna, A. Ad. 



T. testa parva, ovato-eonica, imperforata, alhida, solida ; anfrac- 

 tibxis convexiusculis, subimbricatis, sutur a profunda canaJiformi 

 sejunctis, infra suturain concinne crenulatis, liris transversis 

 ubique cinctis, interstitiis co)icinne clathratis ; basi convexa : 

 apertura obliqua semicirculari ; labio tortuoso, in dentem ter- 

 minante ; labro subincrassuto, intus obsolete sulcato. 



Hab. Uraga. 



This species most nearly resembles T. instricta of Gould, but is 

 less elevated, and the last whorl larger and more rounded. 



"'' 6. Turcica stellata, A. Ad. 



T. testa parva, elata, ovato-conica, imperforata, alba; anfractibus 

 5\, planis, imbricatis, siitura canaliculata sejunctis, infra sutu- 

 ram concinne crenatis et Kris transversis, interstitiis vahle 

 punctatis, inferne ad peripheriam serie nodidoinim acutoi'um 

 compressorum apertorum stellatis ; basi convexa, liris co7icen~ 

 tricis validis interstitiis valde clathratis ornata : apertura ob- 

 lique semicirculari ; labio recto, in dentem terminante ; labro 

 margine valde crenato, intus sulcato. 



Hab. China Seas. 



This is a very pretty species, with the whorls stellate at the peri- 

 phery. It is more acutely conical than the other species. 



7. MuREX scalarinus, a. Ad. 



M. testa ovata, rimato-umbilicata, pallide fulva, rufo sparsim 

 tincta, tenui ; spira elata, acuta, aperturam cequante ; anfrac- 

 tibus 5, convexiusculis, spiralis, varicibus quinque vix elevatis 

 cequidistantibus [in anfractu ultimo 6) instructis, costis lamel- 

 losis transversis, maryinibus rotundatis crenulatis et liris inter- 

 mediis minoribus crenulatis ornatis, sutu7-is profundis : aper- 

 tura ovata, subpattda ; labio Icevi, arcuato ; labro extus vari- 

 coso, canali mediocri aperto ad sinistram inclinato. 



Long. 1 inch, lat. 3 lines. 



Hab. • 1 {Coll. Cuming.). 



An exquisitely sculptured species, with rib-like varices and spirate 

 whorls, and partaking somewhat of the characters of a Trophon. 



/V»»v . 8. MuREX alabastrum, a. Ad. » •JA-m^f , Kci 1 1 / 



M. testa ovato-fusiformi, alba ; spira elata, quam apertura lon- 

 giore ; anfractibus convexis, varicibus validis rotundatis squa- 

 mosis, squamidis inci'assatis imbricatis postice productis et spi- 

 niformibus instructis, interspatiis nodoso-plicatis, squama lo- 

 biformi erecta ad suturas ornatis, transversim in toto striatis 

 et liruUs transversis ad plicas nodulosis instructis : apertura 

 parva, ovata ; labio lavi, arcuato, canali mediocri angusto re- 

 curvato ; labro extus late varicoso. 



Long. 14 lines, lat. 3 lines. 



Hab. jNIartinique [Coll. Cuming.). 



