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



excurvati*, suturls parum distinctis ; testa adolescente costis radi- 

 aiitibus circ. x., subobsoletis, elongatis, arcuatis, sinum versus lu- 

 terruptis, postice nodosis ; anfr. ult. sculptura nulla ; apertura 

 elongaia ; canali brevi, aperto ; columella recta ; labio tenui ; 

 labro acuto, suturam versus siiiuato, siiiu parvo, expanse; operculo 

 nonnali. Long. M, long. spir. '65, lat. 'Sti, div. 27°, 



Hub. Sta. Barbara {Jeweti) ; S. Pedro {Cooper), 



386. Mitromorpha filosa. 



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

 tice subeequaliter tereti ; anfr. nucl. ii., albis, ia^vibus, apice 

 mamillato ; norm, iv., planatis, suturis baud distinctis ; omnino 

 eequaliter spiraliter lirulata ; lirulis acutioribus, in S|)ira iv., anfr. 

 ult. circ. XX., interstitiis majoribus ; apertura lineata ; labro parum 

 inflexo, rotundato, postice vix sinuato, intus circ. xii.-dentato ; 

 labio inconspicuo ; columella arcuatim truncata. Long. "20, 

 long. spir. -1, lat. '12, div. 45°. 

 Hab. Sta. Barbara [Jeivett) ; Lower California (teste Trick, in 



Mus. Cuming.). 



= ?Daphnella filosa, Brit. Assoc. Rep. 1863, p. 658, notef. 



Mr. A. Adams obtained two similar species from Japan ; and 

 as the shells do not rank satisfactorily under any established 

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

 suggests that Columbella dormitor, Sby.^ may be congeneric. 



Mangelia variegata. 



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

 normaliter bizonata, interdum unizonata, seu zonis interruptis ; 

 vertice nucleoso conspicvio, anfr. uno et dimidio, apice mamillato ; 

 anfr. norm, vi., subrotundatis, suturis valde impressis ; 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 arcuate; 

 labio tenui. Long. "SI, long. spir. "17, lat. •] poll., div. 22°. 



Variat costis crebrioribus, sculptura minus expressa. 



Hab. Sta. Barbara [Jewett). 



Mangelia (? variegata, var.) nitens. 



M. testa M. variegatcB simili, sed nitentiore, fascia alba et altera 

 rufo-fusca attingente spiram asceudentibus. Long. "25, long, 

 spir. -15, lat. -08, div. 20°! 



Hab. Sta. Barbara (Jewett), rare. 



Mangelia angulatrr. 

 M. testa parva, rufo-pui purea, vix gracili, epidermkle tenui fugaci ; 

 anfr. nucl. iii., helicoideis, prinuxm loevibus, dtin cancdlutis, upice 



284 



