492 Mv, E. xV. Smith's Diagnoses of 



medio angulati, cariuis tribus ciucti, suprema juxta suturam 

 duplica,mediana maxima uodiilis acutis U instructa, infimaprope 

 suturam sita, inter carinas spiraliter striati; aufr. ultimus infra 

 carinam maximam 12-carinatus, carinis inferioribus 5 parvis 

 circa caudam sitis ; apertura parva, intus liris tenuibus 5-6 or- 

 nata, longitudinis totius ^ baud sequans ; collumella callo tenui 

 induta, superne juxta suturam tuberculata ; labrum teuue, ad 

 carinam mediocriter incisum ; caiialis brevis, recurvus. 

 Long. 22 mill., diam. S. 



Hub. Sandwich Islands. 



The central keel is formed of sharp, compressed, transverse 

 tubercles. The space between it and the lower keel is white. 



Pleuroioma zealandica. 



Testa valida, ovato-turrita, cameo-albida ; spira acuminata, gra- 

 data, apice fuscescente ; anfract. 10, primi 2j politi, vitrei, con- 

 yexi, cseteri convexiuscuLi, superne carinati et decliviter com- 

 planati (gradibus radiatim fortiter striatis), sulcis 2-3 (supremo 

 maximo, oblique fortiter striato) insculpti ; anfr. ultimus mag- 

 nus, alifjuanto intlatus, basim vei'sus contractus, sulcis circiter 

 12 fortibus, longitudinaliter striatis, ornatus ; apertura fusca, 

 ampla ; columella fuscescens, medio arcuata, interne obliqua, cum 

 labro canalem brevem leviter recurrum constituens ; cauda carina 

 parva, fusca cii-curadata ; incisura latiuscula, hand profunda, 

 paululum supra ]abri medium sita. 



Long. 23 mill., diam. supra labrum 9. 



Hah. New Zealand. 



This species is remarkable for the tabulated whorls, the 

 tabulations being veiy strongly radiatelj striated, and some- 

 times furnished with a spiral liration, and the conspicuous 

 sulcations encii-cling the bodv-whorl. The slit in the labrum 

 is situated just below the broad furrow which grooves the 

 upper part of the whorls. 



Pleurotoma [Drillia) chocolatum. 



Testa fusiformis, nitens, saturate purpureo-fusca, zonis angustis 

 tribus modo supra costas parentibus ornata ; anfract. 12, primi 

 2-3 convexi, lajves, caeteri superne concavi, delude convexiusculi, 

 infra excavationem costis rotundatis paucis (in anfr. ultimo 9 ad 

 peripheriam obsoletis) instructi, striis cxilibus paucis spiralibus, 

 sed baud in concavitate, insculpti ; anfr. ultimus infra periphe- 

 riam valde angiistatus, ubique transversim striatus vel liratus ; 

 apertura intus purpureo-fusca, longitudinis testae ad |- sequans ; 

 labrum tenue, medio extaus ; sinus mediocriter profundus ; cana- 

 lis obliquus, recurvus. 



Long. 21 mill., diam. 7. 



Hah. Goza Harbour, Japan. 



The dark chocolate-colour, with the three yellowish spots 



