collected at Cape St. Lucas. 47 



rinralAm umbilicalem formante. LoDg. '07, long. spir. '04, lat. 

 •03poll., div. 40°. 



42. Odostomia {Evalea) delicatula. 



O. testa tenuissima, alba, diaphana, nitente, elongata ; margini- 

 bus spirae elegaater excurvatis ; vert. nucl. leevi, globoso, decli- 

 viter immerso ; anfr. norm, iii., subplanatis, suturis impressis ; 

 liris subacutis, spiralibus, quaruni v. in spira moustrantur ; inter- 

 stitiis latis, undatis, creberrime decussatis ; basi elongata ; aper- 

 tura obloDga, peritremate baud continuo ; labro tenui ; labio vix 

 conspicuo ; plica juxta parictem exstante, decliyi. Long. '073, 

 long. spir. '04, lat. '03 poll., dir. 30°. 



48. ChrysalHda anfftuta. 



C. testa parva, satis elongata, uitida, alba, sculpture minus expressa; 

 marginibus spiree parum excurratis; vert. nucl. panro, subito 

 immerso, diniidium truncatiouis tegente ; anfr. norm, v., planatis, 

 elongatis, suturis minus impressis ; costis radiantibus circ. xiii., 

 plerumque lineis continuis marginibus utrinque parallelis, circa 

 basim productam obsoletis ; liruUs spiralibus angustis, in spira 

 circ. v., interstitiis decussantibus, supre costas baud nodulosis ; 

 apertura ovali ; poritremate parum continuo ; labro tenui, trans- 

 lucido ; labio tenui ; plica juxta parietem panra, obtusa. Long. 

 •095, long. spir. -oe:*, lat. 028 poll., div. 20*. 



44. Eulima ftucottrigata. 



E. testa minore, gracillima, albida, striga latiore n^fo^fusca supra 

 peripheriam oniata ; basi quoque rufo-fusca, valde prolongata, 

 regulariter excurrata ; anfr. nucl. ii., tumidioribus ; norm, viii., 

 planatis, suturis baud conspicuis ; Taricibus nullis ; aperture ralde 

 elongata ; labro vix sinuato ; labio yix calloso. Long. ' 1 7, loDg. 

 spir. 12, lat. 05 poll, div. 20°. 



45. Opalia crenatoides. 



0. testa turrita, alba, marginibus spirte rectis ; anfr. nucl. ?....; 

 norm, vi., compactis, attiugcntibus ; costis radiantibus circ. x., in 

 spire plerumque obsoletis, ultimo anfrnctu validioribus, latis, baud 

 exstantibus, attingentibus, spiram lineis fere rectis ascendentibus ; 

 suturis inter costas altissimc indentatis ; carina obtusa basali, su- 

 turec contiiuia ; inter costas radiantes undique, ut in suturis, in- 

 dentata ; costis interdum, propter lirulas spirales subobsoletas, sub- 

 nodosis ; columella band umbilicata ; basi antice Uevi. Long. '54, 

 long. spir. -38, lat. -23 poll., div. 30°. 



Additional specimens may connect this yritb the PortugaMe 

 O. creiiata. 



46. Tnmcaria eurytoides. 



T. testa parra, turrita, gracili ; albida, ssepius fascia circa peripheriam 

 maculis fusco-auraatiacis picta ; aufr. uucl. mamiUatis, laeribus ; 



