collected in Jajjanese Seas. 417 



species to Conimander 11. C. 8t. Jolin, by whom it was dis- 

 cm-ered. The subconvex simple wh(jrls, clothed with a smooth, 

 thickish, olive epidermis, the wide siniuitiou of the lij), and 

 the broad oblique canal are tlie principal characteristics. 



12. Pleurotoma {Drillia) ^avi'dula, Lamk. ; Con. Icon. i. Pleu- 

 rotoma, f. 66 ; Kiener, Corp Viv. Pleurotoma^ pi. vi. f. 2. 



H(d>. North of Niphon, 4.') fathoms, sand and mud; west of 

 Ts iphon, 3 fathoms, soft mud ; Goza Harbour, 6 fathoms, sand 

 and mud. 



13. DrilUa Jeffrey sii^ sp. nov. 



Testa fusiformis, subturrita, luteo-albida, purpurco-fusco maculata et 

 punctata ; anfi'act. Hi superne concavi, infcrne convexi, costis 

 obliquis infra excuvationem (in anfr. ultimo 14-15 ud poripheriam 

 obsoletis) instructi, transvcrsira ubique striati et graciliter lirati, 

 liris 2-3 sujira costas albidis, subnodosis, incrementique lincis 

 flexuosis ornati ; apcrtura iutus fuscescens, purpureo tincta, lon- 

 gitudinis testa) baud 'I a!quans ; labrum medio extans, supeme 

 valde profundeque sinuatum ; canalis latus, brevis. 



Long. 37 miU.jdiam. 11. 



Hab. Goza Harbour, 3-43 fathoms. 



The nearest allied species to the present one isjlavidula, 

 Lamarck, from which it differs in having a shorter aperture, a 

 broader canal, and distinct spiral striatiou in the concavity 

 which occupies nearly the upper half of the whorls. 



14. Pleurotoma {DrilUa) cliocolata^ sp. nov. 



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

 tribus modo supra costas parentibus ornata ; anfr. 12, primi 2-3 

 convexi, la?ves, ca;teri superne concavi, delude con vexiusculi, infra 

 excavationem costis rotundatis paucis (in anfr. ultimo ad peri- 

 pheriam obsoletis) instructi, striis exilibus paucis spiralibus, sed 

 baud in concavitate, insculpti ; anfr. ultimus infra periijhcriam 

 valde angustatus, ubique transversim strialus vel liratiis ; apcrtura 

 intus purpureo-fusca, longitudinis testae ad |^ a?quans ; labrum 

 tenue, medio extans ; sinus mediocriter profundus ; canalis obli- 

 quus, recur vus. 



Long. 21 mill., diam. 7. 



Hah. Goza Harbour, 6 fathoms. 



The dark chocolate colour, with the three yellowish spots 

 (which arc slightly nodulous) on each rib, and the smooth con- 

 cavity at the upper part of the whorls are very distinctive 

 characters. 



15. Pleurotoma ( ?) inconstansy sp. nov. 



Tcbta oblonga, turrita, purpureo-fusca, circa anfractuum medium 



