1893.] XE"\V SPECIES OF PLEUHOTO>[lI)iE. 489 



hcmd rostratus, spiraliter liratus ; aperiura oblonga, latiuscula ; 

 columella callosa ; lahrum acutum, late et profunde sinuatum. 

 Long. 20, maj. diam. 8 inillim. 

 Hah. Mauritius. 



This species belongs to the Clavus gi'oup. It has been placed 

 in various collections as P. alhicostata, Sowerbj% Anth which I find, 

 however, it has Uttle affinity. It comes rather nearer to P. ohli- 

 quata, fieeve. 



Plefrotoma keeni, n. sp. (Plate XXXVIII. figs. 13, 14.) 



Testa turrita, solida, pallide fusca, nigro-fiisco strigata, alho 

 gramdata ; spira acuminata (ajnce ?) ; anfractus obitise angu- 

 lati, costis numerosis confertis, longitudinalihus subobltquis 

 biseriatim gramdatis mimiti ; interstitiis nigro-fnsco strigatis ; 

 anfractus %dtimus supra angidum leviter concavus, infra angu- 

 lum convexiuscidus, infra medium leviter attemuttus, haud 

 rostratus; apertura oblonga; columella callosa, alba, polita ; 

 labrum fere rectum, supra angtdum mediocriter sinuatum. 

 Long. 24, maj. diam. 5 mlllim. 



Hah. ? (ex coll. Keen). 



A species of somewhat remarkable character, apparently belong- 

 ing to the section Crassispira. The ribs are beaded \Aith white 

 granules and bordered with dark brown streaks. The specimen 

 has lost several whorls of the spii'e. 



Pleukoxoma HUifGERroEDi, n. sp. (Plate XXXVIII. figs. 1,2.) 

 Testa anguste turrita, grisea, ad apicem. fusca ; spira elongata, 

 acuta ; anfractus 8, Iceves, supra medium leviter concavi, infra 

 costis paucis Icevigatis muniti ; anfractus tdtimus hreviuscidus, 

 supra medium obtuse angxdatus, inferne levissime attenuatus, 

 haud rostratus ; apertura oblonga, latiuscula ; lcd>nmi aciUum, 

 sinus profmdiuscidxis, mediocriter latus. 

 Long. 12|, maj. diam. 4 millim. 

 Hah. Houg Kong. 



A very simple shell, without sculpture, and with but few smooth 

 longitudinal ribs. It is hardly possible to say in which section 

 this species should be placed, whether it is a Drillia or a modifi- 

 cation of Clavus. 



Pleubotoma iTsfFBAFUSCA, n. sp. (Plate XXXVIII. figs. 5, 6.) 



Testa acuminata, albida, antice rufo-fusca ; s^nra turrita, acu- 

 tissima ; anfractus 10, jirimi 2-3 laves, sequentes angidati, 

 supra angulttru concavi, infra vix conve.vi, costis minterosis 

 roiundatis, ad angidum elcvatis muniti, vutculis minutis fuscis ad 

 angidum picti ; anfr. tdtimus si>iram sidjaqualiter longus, midto 

 latior, basin versus leviter attenuatus, haud rostratiis ; ((perturn 

 latinscvla ; labrum acntum, vl.r sinuatum, canali brevissimo. 



Long. 19, maj. diam. 7 millim. 



Hab. Mauritius ? (ex coll. Sir I). Barclay). 



The most striking character of this species is its bright reddisli- 



