collected at Cape St. Lucas. 18 



lete racliatim lirulatis, adultis laevibns ; zona alba postica, sutnram 

 attiiigeiitc, aurantiaco inai'ulata ■, tola praeter zonain superfieie au- 

 rantiaco puiicticulata, pnnctis minimis, creberrimis, rti quincunces 

 dispositis ; apcrtura subquadrata ; labro incrassato, intu3 vi.-den- 

 tato ; labio exstante, a linilis circa basim spiralibus indeutato. 

 Long. '3, long. spir. "l", lat. "I.t poll., div. 40°. 



Differs from C'ulumbetla albuyinosa, Rve., in its peculiar and 

 constant painting. 



49. "iXitidclla densilineata. 



IN. testa ?A'^. miUepunctafam forma et indole simulante, sed omnino 

 nitida, anfractibus jdanatis, sutiiris indistinctis, striolis circa basim 

 minimis; livida, lineolis aiirantiaco-fuscis divaricatis, ssepe ziczac- 

 formibus, densissime signata. Long. '25, long. spir. "lo, lat. "1 

 poll., div. 3.»°. 



The opercula of these two species being unknown, their 

 generic position remains doubtful. The same is true of the two 

 following. 



50. ?Anachis tincta. 



1A. testa parva, turrita, albida, rufo- aurantiaco supra costas tincta ; 

 anfr. nucl. laevibus ; norm, iv.-v., subplanatis, suturis \alde im- 

 pressis ; costulis x. radiautibus, et liris spiralibus transeuntibus, 

 in spira iii. supra costas conspicuis, unaque in sutura, dense in- 

 sculpta; intersiitiis alte caelatis ; apertura subquadrata ; labro in 

 medio incrassato. Long. '19, long. spir. 'Vl, lat. '08 poll., 

 div. 30°. 



51. tAnachis fuscostrigata. 



fA. testa parva, turrita, livida, nitida ; zonls rufo-fuscis, subspiralibus, 

 in spira circ. iii., interdum, mixime ad basim, confluentibus, con- 

 spicue cincta ; lirulis radiantibus subobsoletis, circ. x., prope su- 

 turam se monstraiitibus ; apertura subquadrata. Long. '13, loug. 

 spir. -095, lat. -04.5 poll., div. 20°. 



52. Pisania elata, 



P. testa minore, valde turrita, Latiroidea ; alba, rufo-fusco antice ei 

 postice varie maculata sen stiigata; anfr. nucl. ?....; norm, vi., 

 convexis, suturis impressis ; costis radiantibus vi.-viii., obtusis, 

 interstitiis undatis ; lirulis spiralibus distantibus, in spira plerum- 

 que iii., aliis minoribus intt rcalantibus ; canali angusto, sub- 

 recurvato ; apertura subovata ; pariete postice dentata ; columella 

 parum coutorta. Long. '68, loug. spir. •37, lat. "29 poll., div. 38^. 



221 



