12 Dr. P. P. Carpenter on new Furrns of MoUusks 



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

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

 planatis, suturis baud conspicuis ; varicibus nullis ; apertura valde 

 elongata ; labro vix siuuato ; labio vix calloso. Long. ' 1 7, long, 

 spir. -12, lat. -05 poll,, div. 20°. 



45. Opalia crenatoides. 



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

 norm, vi., compactis, attiugent?bus ; costis radiantibus circ. x., in 

 spira plerumque obsoletis, ultimo anfractu validioribus, latis, baud 

 exstantibus, attingentibus, spiram lineis fere rectis ascendentibus ; 

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

 turae continua ; inter costas radiantes undique, ut in suturis, in- 

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

 nodosis ; columella hand umbilicata ; basi antice Isevi. Long. '54, 

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



Additional specimens may connect this with the Portuguese 

 O. crenata. 



46. Truncaria eurytoides. 



T. testa parva, turrita, gracili ; albida, ssepiis fascia circa peripheriam 

 maculis fusco-aurantiacis picta ; anfr. nucl. mamillatis, laevibus ; 

 norm, v., effusis, subplanatis, ultimo paulum constricto ; costulis 

 radiantibus circ. xx., aperturam versus evanidis ; apertura sub- 

 quadrata ; labro baud iucrassato, interdum intus subtiliter striate, 

 baud dentato ; labio appresso ; columella abrupte truncata. 

 Long. '3, long. spir. '2, lat. 'll poll., div. 23°. 



Variat basi fusco tincta, seu tota superficie ut in Nitidella cribraria 

 picta. 



47. Sistrum (? ochrostoma, var.) rufonotatum. 



S. testa S. ochrostomati simili, sed minore, angustiore, vix tabulata ; 

 alba, linea punctorum rufo-fuscorum subperipberiali, interdum 

 lineis spiralibus, interdum ejusdeni coloris maculis, ornata ; vert, 

 nucl. mamillato, anfr. iii., laevibus, vix tumidis ; norm, v., plu3 

 minusve elongatis, in medio nodoso-angulatis, postico planatis, 

 suturis ad angulum valde obtusum conspicuis ; seriebus nodulor-.im 

 spiralibus iii., quarum postica major, secundum costas radiantes 

 obsoletas circ. vi.-viii. ordinatis ; seriebus auticis iiicouspicuis ii. ; 

 interdum costulis spiralibus intercalatis ; canali brevi, rectiore, 

 aperto, angusto; apertura subovali, vix subquadrata, intns pallida 

 aurantiaca ; labro acutiore, dorsaliter subvaricoso, postice ssepe 

 sinuato, intus obscure vi. -dentato ; labio conspicuo, interdum ex- 

 stante. Long. '5, long. spir. "23, lat. •'61 poll., div. 60°. 



Variat testa obesa, nodulis validis. Variat quoque testa acuminata, 

 nodulis subobsoletis. Long. -52, long. spir. "23, lat. -25 poll., 

 div. 42°. 



48. tNitidella millepimctaia, 



^.N. testa parva, nitida, livida ; spira exstante, anfractibus subpla- 

 natis, Buturiii distiuctis ; anfr. nucl. laevibus, adoksccutibus ob&o- 



220 



