-ill) Mr. E. A. Smith on Oasterojjuda 



8. Pleurotoma crispa, Lamarck; Conchol, Jctni. i. t", 1 1 <7, h. 



Hah. Ooshima Harbour, 8 fathoms, bottom >^aiuly iiuul and 

 shellj. 



9. rieurotoiiia leucofrojJi's, Adams i^^ Reeve, Voy. Samaraui^, 

 p. 40, 1)1. X. f. 7. 



Jldh. ^latoza Harbour, G tatlioms, sand; and Ooshima Har- 

 bour, 8 fathoms, sandy nuid and shelly. 



10. I'leurototna verfeOntfa, sp. nov. 



Testa elongate- sub fusiformis, alba, maculis fuscis variegata, versus 

 apiccm dilute violacea ; untract. 10, primi 'A eonvexi, vitrei, politi, 

 sequeutes tricariiiati (carina mediana maxima), inter carinas lira 

 unica spiraH, gracili, liris longitudinalibus uumerosissimis cuu- 

 cinuo decussata (lira superiore ad locos interscctionis nodosa) 

 oruali ; anfr. ultimas interne contractus, ad 14-carinatus (carina 

 paululum peripheriam supra maxiu)a) ; apertura parva, longitu- 

 dinis testa? ^ vix superans, intus sulcata, sulcis costis externis 

 respondentibus ; labrum tenue, marginc crenulatum ; iucisura 

 lata, baud profunda, supra carinam maximam sita ; columella 

 leviter obliqua, medio obsolete uniplicata ; Cauda parva, alba ; 

 canalis perbrevis, latus, leviter recurvus. 



Long. 10 mdl., diam. oj.. 



Hah. Persian Gulf {Colonel PelJy) ; Matoza Harbour, 6 

 fathoms, sand [St. John). 



The above name is ap})lied to this lovely species because 

 the fine nodose liration which encircles the whorls just above 

 the large central keel is crossed by slender thread-like lines, 

 diverging like the processes from a herring's backbone. The 

 other tine lirations are regidarly oblique. The prominent central 

 keel and style of colouring at once distinguish this form. 



11. Pleurotoma ( "?*) Sancti-Ioannis^ sp. nov. 



Testa fusiformis, sub epidermide fugaci olivacea palUde fuscescens ; 

 anfract. 10 convexiuseuli, striis spiralibus tenuissimis subconfertis 

 (in anfr. ultimo infra peripheriam majoribus) incrementique lineis 

 flcxuosis insculpti; apertura rufescenti-liisca, ovata, inferne con- 

 tracta, eanalcm latum, breviusculum obliquum. formans, circitcr 

 longitudinis totius -| a^quans ; labrimi tenue paidulum supra me- 

 dium late sinuatum ; columella tortuosa, longitudinalitcr scalpta ; 

 operculum unguiforme. 



Long. 40 mill., diam. 14. 



Hah. About 100 miles south-east of Yesso, 48 fathoms, 

 sand and stones. 



I feel much pleasure in dedicating this fine and very distinct 



• The subgenera of rk\crotomid<t will be gi^en in a future paper. 



