OF CONCHOLOGY. 279 



super castas lutescente, squamis basique lutescente alba, aper- 

 tura alba. 



Dimensions. — ^Long. 45, diam. 20 mill. 

 Locality. — Insl. Baker's. 



Shell fusiform, transversely ridged, noduled by distant longi- 

 tudinal grooves, nodules compressed, oblong, interstices squa- 

 mate, finely ridged transversely and minutely striate longitudi- 

 nally, grooves becoming obsolete on base ; last whorl somewhat 

 ventricose, suddenly contracted at base ; spire turrited, acute ; 

 whorls ornamented at the suture with a row of prominent, erect, 

 squamate spines. 



Color brownish red, nodulous portion of transverse ribs 

 yellowish, spines and base, between the transverse ridges, yellow- 

 ish white, aperture white. 



A highly ornamented species, quite distinct from any de- 

 scribed. 



Latirus gibbus. Pease. Plate 23, fig. 17. 



Descrijytion. — T. fusiformi, crassa, Icevi, spira acuminata, gra- 

 cili, acuta ; longitudinaliter nodoso-costata, costis 5, magnis, 

 obliquis, compressis, valde elevatis ; transversim obsolete costa- 

 ta, costis tribus, rotundatis, irregularibus ; labro tenui, simplici ; 

 costis albidis, interstitiis purpureo-violaceis, interdum iridescent- 

 ibus, apertura, violacea. 



Dimensions. — Long. 13, diam. 8 mill. 



Locality. — Insl. Howland. 



Shell fusiform, thick, solid, smooth ; spire acuminate, slender, 

 acute ; longitudinally nodosely ribbed, ribs five, large, oblique, 

 compressed and much elevated ; transversely obsoletely ribbed, 

 ribs three, round and in-egular ; lip thin, simple ; ribs white, in- 

 terstices pale purple-violet, sometimes iridescent, aperture deep 

 violet. 



, An aberrant form, quite distinct. ,.- 1 , 



Latirus granulosus. Pease. Plate 23, fig.>8; ^ — , . P ' 



Description. — T. elongato-fusiformi, longitudinaliter costata, 

 costis 9, rotundatis, transversim lirata, interstitiis lira parva 

 granulosa cingulata ; anfr. superne angulatis, vix excavatis, 

 angulis granuloso-lirata ; labro intus lirata ; anfr. convexo-rotun- 

 datis ; rufescente-fusca, granulis pallidis, apertura violacea. 



Di7nensions. — Long. 22, diam. 12 mill. 



Locality. — Paumotus. 



