286 



The specimens from Stat. 204 and 260 are dead, bleached shells, those from Stat. 37 

 have the brown spots rather obsolete, they are more convex and the ribs are more crowded. 



26. Tttrriatla (Costellaria) avianda Reeve. 



Reeve. Proc. Zool, Soc Lond. 1845, p. 59. 



Conch. Ic. Vol. II, Mitra, fig. 318. 



SOWERBY. Thes. Conchyl. Vol. IV, Mitra, p. i^^, PI. 26, fig. 592. 

 Tryon. Man. of Conch. Vol. IV, p. 176, PI. 52, fig. 508. 



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



Stat. 4. Djangkar (Java). 9 M. Coarse sand. 9 Spec. 



Stat. 33. Bay of Pidjot, Lombok. 22 M. and less. Mud, coral and coralsand. i Spec. 



Stat. 71. Makassar and surroundings. Up to 32 M. Mud, sand with mud, coral. 10 Spec. 



Stat. 142. Laiwui, coast of Obi Major. 23 M. Mud. 11 Spec. 



Stat. 153. o°3'.8N., 130° 24'. 3 E. Near Waigeu-island. 141 M. Fine and coarse sand with dead 



shells. I Spec. 



Stat. 162. Between Loslos and Broken-islands, West coast of Salawatti. 18 M. Coarse and fine 



sand with clay and shells, i Spec. 



Stat. 205. Lohio-bay, Buton-strait. 22 M. Sandy mud. 7 Spec. 



Stat. 260. Nuhu Jaan, Kei-islands. 90 M. Sand, coral and shells. 3 Spec. 



Stat. 294. 10° 12'. 2 S., 124° 27'. 3 E. Timor Sea. 73 M. Soft mud with very fine sand, i Spec. 



Stat. 313. East of Dangar Besar, Saleh-bay. Up to 36 M. Sand, coral and mud. 2 Spec. 



Stat. ? I Spec. 



In all the specimens I inspected I find, that the internal lirae of the aperture have the 

 appearance of rows of oblong pearls. 



27. Tiirricula (Costellaria) scidptilis Reeve. 



Reeve. Proc. Zool. Soc. Lond. 1845, P- 55- ' , 



Conch. Ic. Vol. II, Mitra, fig. 290. 



SowERBY. Thes. Conchyl. Vol. IV, Mitra, p. 34, PL 26, fig. 596. 



Tryon. Man. of Conch. Vol. IV, p. 175, PI. 52, fig. 494 {coelata pars). 



Stat. 133. Lirung, Salibabu-island. Up to 36 M. Mud and hard sand, i Spec. 



28. Ttirricula (Costellaria) tenuilirata Sowerby. 



SoWERBY. Thes. Conchyl. Vol. IV, Mitra, p. 31, PI. 20, fig. 407. 



Tryon. Man. of Conch. Vol. IV, p. 178, PI. 53, fig. 523 [crebrilirata pars). 



Stat. 296. Noimini-bay, South coast of Timor. 8 — 36 M. Sandy mud. i Spec. 



Very near to T. crebrilirata Rve., but the only specimen differs too much to follow 

 Tryon's view. 



29. Tttrric7ila (Costellaria) radix Sowerby. 



Sowerby. Thes. Conchyl. Vol. IV Mitra, p. 36, PI. 25, fig. 552. 

 Tryon. Man. of Conch. Vol. IV, p. 180, PI. 53, fig. 537. 



Stat. 123. North-bay, Biaru-island. ^6 — 27 M. Stone and Lithothamnion-bottom. i Spec. 

 Stat. 133. Lirung, Salibabu-island. Up to 36 M. Mud and hard sand, i Spec. 



40 





