JIELVILL AND STKES : AXDAMAU IS. SHELLS. 165 



Amongst the Andaman Island forms may be enumerated, besides 

 the type, T. haciUus, Desb., lactea, Dcsb., and apicina, Desb. 



5. CoNus CAPiTANETJs, L. Ouly in young condition. 



6. Pleurotoma acutigemmata, Smitb. Tbe author of tbis species 

 has examined our specimen, and considers it undoubtedly bis shell. 

 Tryon places this as a synonpn of P. jabata, Hinds, but bad never 

 seen either an example or a figure. 



7. Pleurotoma (Crassispira) nivea, Phil. A very pretty species, 

 desciibed originally from Formosa. Two specimens. 



8. Pleurotoma tigrina. Lam. Two specimens, in juvenile con- 

 dition, but fine. 



9. Pleurotoma co:vcrNJJ'A, Dkr. A fine example, with operculum, 

 of tbis very beautiful species. Dunker described it from China. Our 

 specimen is 28 mm. in length, of pale-fawn colour, very elegantly 

 s])irally carinated, the canal and portion of the basal region suffused 

 with pale carnation. 



10. Pleurotoma (Drillia) Booleyi, n.sp. PI. XIII, Pigs. 6, 7. 



D. testa fusiformi, eleganter attenuata, solidiuscula, aufractibus 

 10, ochraceo-brunueis, ad suturas impressis, venti'icosulis, longi- 

 tudinaliter obtuse rotundi-costatis (costis infra juxta suturas evanidis, 

 apud medium anfractuiim binodulosis), spiraliter liri-striatis, liris ad 

 medium fortioribus, et apud basim numerosis, apertura ovato-oblonga, 

 labro extus efi^uso, sinu lato, columella recte, canali parum producto. 

 Long. 19, lat. 6 mm. 



Though a shell of no particularly marked character, we cannot 

 exactly match it with any other known Drillia. The colour is 

 a pleasing ochraceous-brown, tbe spire graceful, attenuate in tbe upper 

 wliorls, the rounded ribs crossed with lirte, tbe two central ones 

 becoming nodulous'^'at the juncture with the ribs, the mouth is oval- 

 oblong, sinus broad, outer lip effuse, columella straight. 



11. Pleurotoma (Drillia) ochroleuca, n.sp. PI. XIII, Pigs. 4, 5. 



D. testa attenuata, fusifonni, solida, Itete ochracea, apice albo, au- 

 fractibus 9, supernis albidis simplicibus, csetcris ochraceis, infra suturas 

 spiraliter uuicarinatis, carina albo-gemmulata, infra hac, transversim 

 canalieulatis, in pcuultimo et antepenultimo anfractu tri vel quatuor 

 transversis gemmularum albarum nitidis ordinibus decoratis, ultimo 

 undecim ortlinibus, gemmulis rotundis, albidis, laevibus, apertura 

 oblonga, angusta, labro extus paullum inerassato, valde ad suturam, 

 sinu conspicuo, cuneato, margino columellari recto. Long. 22, 

 lat. 6 mm. 



A pretty, brightly-coloured species, with some affinity to I), digitalis, 

 Peeve, and D. granulans, Smitb. It is ochraceous-yellow, adorned 

 with closely-arranged, spiral, white gemmules. Tbe whorls are nine, 

 the apical white and simple, the lower whorls impressed at the 

 sutures, below which is a spiral keel, and this is followed by a 

 transverse depressed sulcation. The first three I'ows of gemmules 



