6 Dr. P. P. Carpenter on new Forms of Mollusca 



exci\rvati-i, siitmis panim distinctis ; testa adolescciite costis ra<H- 

 autibus fire, x., suliubsnU'tis, clongatis, arciiatis, simini versus lu- 

 terniptis, postice nodosis ; aiifr. ult. sculptura nulla ; apertura 

 eloMgata ; canali hievi, apei to ; columella recta ; labio tcnui ; 

 labro aciito, suturatii versus slnuato, linu parvo, expauso ; operculo 

 normali. Long. Tl, long. spir. -65, lat. "Sti, div. 27°. 



Hub. Sta. Barbara {Jewctt) ; S. Pedro {Cooper). 



38G. Mitromorpha f/osa. 



M. testa parva, solidiore, atro-purpurea, subconitbrmi, antice et pos- 

 tice subnequaliter tereti ; anf'r. nucl. ii., albis, laevibus, apice 

 niamillato ; )>orin. iv., planatis, suturis baud distinetis ; omnino 

 8e(pialiter spiraliter lirulata ; lirulis acutioribus, in spira iv., anfr. 

 ult. eirc. xx., interstitiis niajoribus ; ajjcrtura lineata ; labro parum 

 iuflexo, rotuudato, postice vix siunato, intus circ. xii.-dentato ; 

 labio inconsjiieuo ; eolnuiella arcuatini truncata. Long. "20, 

 long. spir. "1, lat. •|2, div. 4.')°. 



Hab. Sta. Barbara [Jeicett] ; Lower Caiifornia (teste Trick, in 

 Mus. Cuming.). 



= ?Da/j/iiu'iiti Ji/osa, Brit. Assoc. Rep. 1803, p. 658, notef* 



]\Ir. A. Adan)s obtained two similar species from Japan ; and 

 as the shells do not rank satisfactorily under any established 

 group, lie proposes the above genus for their reception. M. Crosse 

 suggests that Culuinbella dorinitor, Sby., may be congeneric. 



Mangelia variegata. 



M. testa valde attenuata, tenui, parva, pallida carnea, rufo-fusco 

 normaliter bizonata, interdum unizonata, sen zonis interruptis ; 

 vertice nucleoso conspicuo, anfr, uno et dimidio, apice maniillato ; 

 anfr. norm, vi., subrotundatis, suturis valde inipressis ; costis 

 radiantibus ix., angustis ; costulis spiralibus crebris, validioribus, 

 in spira circ. x., costas superantibus ; apertura valde elongata; 

 canali brevi, aperto ; labro tenui, juxta suturam conspicue areuato; 

 labio tenui. Long. "SI, long. spir. 'l/, lat. •! poll., div. 22°. 



Variat costis crebrioribus, sculptura minus expressa. 



Hab. Sta. Barbara {Jewett). 



Mangelia (? variegata, var.) nitens. 



M. testa M. variegatee siniili, sed uitentiore, fascia alba et altera 

 rufo-fusca attingente spirain asceudeutibus. Long. -25, long, 

 epir. -15, lat. -08, div. 20°. 



Hab. Sta. Barbara {Jewett), rare. 



Mangelia angulalf^. 



ilf. testa parva, mfo-purpurea, vix grncili, epidermide tcnui fugaci; 

 anfr. uucl. iii., helicoiUeiSj primum Isevibus, deiu cauccllatis, upice 



284 



