4iS 



32. Dj'illia obliqjiicostata Reeve. 



Reeve. Proc. Zool. Soc. Lond. 1845, p. no. 



Conch. Ic. Vol. I, Pleurotoma, fig. 168. 



Weinkauff. Martini-Chemn. Conch. Cab. Ed. II. Vol. IV, Pleurotoma, p. 214, PI. 40, fig. 13. 

 Tryo.v. Man. of Conch. Vol. VI, p. 204, PI. 12, fig. 12. 



Stat. 104. Sulu-harbour, Sulu-island. 14 M. Sand, i Spec. 



Stat. 258. Tual, Kei-islands. 22 M. Lithothamnion, sand and coral, i Spec. 



Of this species, the locality of which was not known to the quoted authors, I have 

 recorded subfossil specimens from Celebes. 



33. Drillia gibber ula Hervier. 



Hervier. Journ. d. Conch. 1895, p. 143. 



Journ. d. Conch. 1896, p. 57, PI. i, fig. 5. 



Stat. 109. Near Pulu Tongkil, Sulu-archipelago. 13 M. Lithothamnion-bottom. i Spec. 



The specimen is less whitish near the sinus, but otherwise agrees in every respect with 

 >the description and with specimens from Lifu. 



34. Drillia nitens Hinds. 



Hinds. Proc. Zool. Soc. Lond. 1843, P- 4i- 



Reeve. Conch. Ic. Vol. I, Pleurotoma, fig. 189. 



Weinkauff. Martini-Chemn. Conch. Cab. Ed. II, Vol. IV, Pleurotoma, p. 183, PL 36, fig. 5. 



Tryon. Man. of Conch. Vol. VI, p. 253, PI. 20, fig. 2. 



Stat. 2. Madura-strait. 56 M. Grey mud with some radiolariae. i Spec. 



Stat. 66. Kambaragi-bay, Tanah Djampeah. Up to 32 M. Coral, coralsand. 2 Spec. 



Stat. 114. Kwandang-bay-entrance. 75 M. Hard sand, very fine, i Spec. 



Without Mr. Smith's assistance I should not have identified the specimens, as the quoted 

 figures seem to be not characteristic, those of Weinkauff and Tryon are more or less accurate 

 copies of Reeve's figure. The ribs are not so 'strongly angular as figured by Reeve, 1 see no 

 whitish band. The species appears to be rather variable in number of ribs and in their being 

 more or less rounded. Tryon locates the species in Mangilia. 



35. Drillia suluensis n. sp, PI. XXVII, fig. 3. 



Stat. 95. 5°43'.5 N., 11 9° 40' E. Sulu-archipelago. 522 M. Stony bottom. 2 Spec. 



Shell shortly fusiform, smooth, shining, white. Whorls 6 to 7, of which about 2 form 

 a smooth, convexly-whorled nucleus, subsequent whorls slightly convex, with a narrow depression 

 below the simple suture, lower part with rather strong^ rounded ribs from suture to suture, 

 about 10 on penultimate whorl, fainter in the excavation, which latter as well as the ribs dis- 

 appear on last whorl, with the exception of a strong rib behind the peristome, this latter whorl 

 is moreover slightly compressed, with a trace of a second rib or indistinct varix on the 



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