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



excurvatis, suturis parum distinctis ; testa adolescente costis radi- 

 autibus circ. x., subobsoletis, elongatis, arcuatis, sinum versus iu- 

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

 elongata ; canali brevi, apei to ; colurnella recta ; labio tenui ; 

 labro acuto, suturam versus sinuato, sinu parvo, expanse; operculo 

 norrnali. Long. W, long. spir. '65, lat. '3(>, div. 27. 



Hub. Sta. Barbara (Jewett) ; S. Pedro (Cooper). 



386. Mitromorpha filosa. 



M. tesa parva, solidiore, atro-purpurea, subconiformi, antice et pos- 

 tice subsequaliter tereti ; anfr. nucl. ii., albis, isevibus, apice 

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

 eequaliter spiraliter lirulata ; lirulis acutioribus, in spira 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. '26, 

 long. spir. -1, lat. -12, div. 45. 



Hab. Sta. Barbara (Jewett} ; Lower California (teste Trick, in 

 Mus. Cuming.). 



= Waphnelta 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, pallide carnea, rufo-fusco 

 normaliter bizonata, interdum unizonata, sen zonis interruptis ; 

 vertice nucleoso conspicuo, 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. '31, long. spir. '17, lat. ! poll., div. 22. 



Variat costis crebrioribus, sculptura minus expressa. 



Hab. Sta. Barbara (Jewett}. 



Mangelia (? variegata, var.) nitens. 



J5/. testa M. variegata simili, sed nitentiore, fascia alba et altera 

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

 gpir, -15, lat. -08, div. 20. 



Hab. Sta. Barbara (Jewett}, rare. 



Mangelia angulata. 



M. testa parva, rufo-purpurea, vix gracili, epidermide tenui fugaci ; 

 anfr. nucl. iii., helicoideis, primuni Isevibus, dein cahcellatis, apice 



284 



