306 Mr. E. A. Smith on 



obsolete above and not ending nodulouslj, as in that species, 

 and the spiral strise are finer. 



Pleurotoma {DrilUa) multicostellata. 



Testa elongate ovato-fusiformis, subturrita, alba ; anfract. 11, primi 

 3 convexi, politi, leeves, cseteri planiusculi, siiperne sutura undu- 

 lata carinata discreti, infra carinam sulco spirali angusto imprcssi, 

 infra sulcum co&tis tenuibus subrectis regularibus (in anfr. ultimo 

 14-16 inferne subnodulosis fero ad basim continuis) instructi, 

 sulcis spiralibus concinne ornati ; anfract. ultimiis infra peripbe- 

 riam Icviter constrictus ; apertura parva, longitudiuis totius \ 

 ada^qnans ; sinus angustus ; canalis brevissimus. 



Long. 18 mill., diam. fere 6. 



Hah. Philippines. 



This pure white shell is remarkable for the regularity of 

 the ribs, abruptly terminated above by the narrow furrow, 

 which is situated just below the keel at the suture. The 

 transverse sulcations are very regular. Its closest ally is 

 P. sinensisj Hinds. 



Pleurotoma [Drillia) Jijiensis. 



Testa fusiformis, alba, superne inferneque ad suturam dilute ilavo 

 fasciata ; anfract. 9, primi 2 politi, convexi, Iseves, paUide rubes- 

 centes, cseteri convexi, superne concave excavati, costis obliquis 

 superne attcnuatis (in anfr. ultimo 11 basi evanidis) instructi, 

 liris spiralibus 3 supra costas nodulosis in interstitiis obsoletis 

 ornati ; anfr. ultimus liris circiter 15 (quarum modo superiores 3 

 nodulosse sunt) ductus ; apertura longit. totius ^^ sequans ; 

 canalis subelongatus, dextrorsum inclinatus, recurvus ; ^inus 

 magnus, profundus ; columella leviter tortuosa, callo induta. 



Long. 11| mill., diam. 3|. 



Hah. Ovalau, Fiji Islands, 12 fathoms. 

 The transverse yellow bands are so very pale as to be 

 scarcely visible ; in one example they are quite obsolete. 



Pleurotoma [Drillia) dejecta. 



Testa fusiformis, alba, circa peripheriam fusco obsolete unizonata ; 

 anfract. 10, primi 2 laeves, politi, cseteri supra concaviusculi infra 

 convexi, costis inferne incrassatis (in anfr. ultimo 8 baud basi 

 attingentibus, una validissima aUquanto j)one labrum sita) in- 

 structi, liris tenuibus spiralibus ad 5 (in anfr. ultimo circiter 15, 

 circa caudam 5-6 quam aliis majoribus) cincti ; apertura longi- 

 tudiuis totius Y*^ adsequans ; canalis angustus, recurvus ; sinus 

 profundus ; columella subrecta, callosa, superne tuberculata. 



Long. 13 mill., diam. 4|. 



