OP CONCHOLOGY. 213 



convexis, contiguis, vix tumida ; columella prominenter quadri- 

 plicata ; labro sulcato ; basi producta vix contracta, contorto- 

 recurva ; apertura recta, subangustata, longitudinis test?e dimi- 

 diam ^quans ; albida flammis flexuosis rufescente fuscis picta, 

 apertura alba. 



Dimensions. — Long. 25, diam. 10 mill. 



Habitat. — Sandwich and Paumotus. 



Shell solid, smooth, shining, ovately-fusiform, somewhat 

 attenuated at both ends, finely striated transversely, grooved at 

 base ; apex acute and finely ribbed longitudinally ; whorls 9, 

 convex, contiguous, somewhat swollen ; columella prominently 

 four-plaited, with a slight callosity at top ; outer lip regularly 

 groved within its whole length ; base slightly produced, some- 

 what contracted, and recurved in a twisted manner ; aperture 

 straight, rather narrow, one-half the length of the shell ; Avhitish, 

 longitudinally painted, with broad, somewhat flexuous, reddish- 

 brown flames ; aperture white. 



Remarks. — The above species is allied to 31. semen, Rve. 

 TuRRicuLA (Costellaria) fortiplicata. Pease. — PI. 5, fig. 3. 



Description. — T. fusiformi, utrinque attenuata, longitudinaliter 

 plicato-costata, interstitiis transversim sulcata, spira granulosa ; 

 basi transversim granuloso-costata, subrecurva ; labro intus lirato ; 

 columella forte triplicata, superne callosa; apertura longitudinis 

 testae dimidiam baud Eequans, luteo-castanea, anfr. ultimo inferne, 

 apiceque albis. 



Dimensions. — Long. 8, diam. 3 mill. 



Habitat. — Paumotus. 



Shell fusiform, attenuated at both ends, longitudinally strongly 

 plicately ribbed, interstices grooved transversely ; spire granu- 

 lose ; base slightly recurved and granosely ribbed transversely ; 

 lip Urate within ; columella three-plaited, with a callosity at top, 

 plaits prominent and large ; yellowish-chestnut, lower half of 

 last whorl and apex white. 



TuRRicuLA (Costellaria) plicatula. Pease. — Plate 15, fig. 4. 



Description. — T. fusiformi, utrinque attenuata, longitudinaliter 

 irregulariter plicato-costata, transversim tenui striata, basi con- 

 tracta, recurva, transversim granuloso-costata ; columella quadri- 

 plicata ; rufo-castanea, fasciis duabus aut tribus, lutescentibus 

 cincta. 



Dimensions. — Long. 8, diam. 3 mill. 



Habitat. — Paumotus. 



