290 AMERICAN JOURNAL 



ScALARiA CRENULATA, Pease. Plate 24, fig. 13. 



Description. — T. solidiuscula, abbreviate- turrita, Isevi, umbilicata, 

 pallida rosacea ; anfr. 4, rotundatis, late separatis ; varicibus 6, 

 laminatis, crenulatis ad suturam irregulariter junctis, albis ; 

 apertura circularis. 



Dimensions. ^-hoxig. 5, diam. 4 mill. 



Locality. — Tahiti. 



Shell rather solid, abbreviately turrited, smooth, umbilicate ; 

 whoils 4, separated by a wide and deep suture ; varices 6, lami- 

 nate, crenulate, erect, irregularly connected at the suture, white; 

 aperture circular. 



This beautiful little species is very rare, I having met with but 

 a single specimen. It may be classed with genus Cirsotrema, 

 and is somewhat allied to O. h/alina, Sow. 



ScALARiA SYMMETRICA, Pcase. Plate 24, fig. 14. 



Description. — T. elongata, acuminata, imperforata, crassa, 

 alba ; anfr. 6, contiguis, convexis, transversim striatis ; varicibus 

 16, crassis, vix recurvis, ad suturam continuis ; columella ad 

 basim crassa, vix expansa ; apertura subcircularis. 



Dimensions. — Long. 8, diam. 3 mill. 



Locality. — T ah i t i . 



Shell elongate, acuminate, imperforate, solid, white ; whorls 6, 

 contiguous, convex, striated transversely ; varices 16, thick, 

 slightly recurved, continuous over the sutures ; columella 

 thickened and somewhat expanded at base ; aperture nearly 

 circular. 



A solid little shell, of simple characters. 



Fastigiella squamulosa. Pease. Plate 24, fig. 15. 



Description. — T. elongato-turrita, subfusiformi, longitudinali- 

 ter costata, costis 7, rotundatis, transversim lirata, interstitiis 

 profunde excavatis ; undique squamulosa ; columella laevigata, 

 recta ; labro intus IsBvigata ; canali vix producta et recurva ; 

 alba, apice basique rosaceis. 



Dimensions. — Long. 28, diam. 11 mill. 



Locality. — Paumotus. 



Shell elongate, turrited, somewhat fusiform, longitudinally 

 ribbed, ribs 7, rounded, transversely ridged, interstices deeply 

 excavated, whole surface covered with small scales : columella 



