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Stat. 90. i°i7'.5N., u8°53'E. Celebes Sea. 281 M. Coralsand and stones. 2 Spec. 



Stat. 93. Pulu Sanguisiapo, Tawi-Tawi-islands, Sulu-archipelago. 12 M. Lithothamnion-bottom, 



sand and coral. 1 Spec. 

 Stat. 95. 5°43'.5 N., U9°4o'E. Sulu Sea. 522 M. Stony bottom. 1 Spec. 

 Stat. 240. Banda. g- — 45 M. Black sand, coral. 1 Spec. 

 Stat. 258. Tual, Kei-islands. 22 M. Lithothamnion, sand and coral. 1 Spec. 



Neither Hinds nor Tryon (1. c.) have made mention of the colour of this species ; it is 

 white with brown apical whorls, vvhich are however wanting in most specimens; the somewhat 

 rude figure of Tryon, which should be a copy of Hinds' figure in the Voy. "Sulphur" is brownish. 

 Mr. E. A. Smith has compared a specimen from Stat. 47, so I have no doubt about the identity. 

 The specimens recorded from the great depths are dead shells. T. fuscoapicata Sow. much 

 resembles the species under consideration, one might think it could be a dwarf-form. 



10. Tripliora (Viriola) corrugata Hinds. 



Hinds. Ann. and Mag. Nat. Hist. Vol. XI, 1843, p. 18. 

 Tryon. Man. of Conch. Vol. IX, p. 189, PI. 39, fig. 59. 



Stat. 37. Sailus Ketjil, Paternoster-islands. Up to 18 M. Coral and coralsand. 1 Spec. 



Stat. 60. Haingsisi, Samau-island. Reef. 2 Spec. 



Stat. 66. Bank between islands of Bahuluwang and Tambolungan, South of Saleyer. 8 M. 



Dead coral, Halimeda and Lithothamnion. 2 Spec. 

 Stat. 71. Makassar. Up to 32 M. Mud, sand with mud, coral. 1 Spec. 

 Stat. 99. North-Ubian, Sulu-archipelago. 16 — 23 M. Lithothamnion-bottom. 1 Spec. 

 Stat. 114. Kvvandang-bay-entrance, North Celebes. 75 M. Hard sand, very fine. 1 Spec. 

 Stat. 123. North-bay, Biaru-island. 27 — 36 M. Stone and Lithothamnion-bottom. 1 Spec. 

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



sand, with clay and shells. 1 Spec. 

 Stat. 164. i°42'.S S., I30°47'.5 E. Halmahera Sea. 32 M. Sand, small stones and shells. 2 Spec. 

 Stat. 240. Banda. 9 — 45 M. Black sand, coral. 3 Spec. 



Stat. 285. South coast of Timor. 34 M. Limit between mud and coral. Lithothamnion. 2 Spec. 

 Stat. 315. East of Sailus Besar, Paternoster-islands. Up to 36 M. Coral and Lithothamnion. 1 Spec. 



Variable in size, in colour and in sharpness of the keels, however these latter differences 

 may depend on the more or less fresh condition of the shells. 



11. Triphora (Viriola) cancellata Hinds. 



Hinds. Ann. and Mag. Nat. Hist. Vol. XI, 1843, p. 18. 

 Tryon. Man. of Conch. Vol. IX, p. 189, PI. 39, fig. 64. 



Stat. 285. South coast of Timor. 34 M. Limit between mud and coral. Lithothamnion. 1 Spec. 

 Stat. 310. 8°3o'S., U9°7'.5 E. Flores Sea. 73 M. Sand with few pieces of dead coral. 1 Spec. 



This fine species has been recorded by Hinds and Tryon only from the Strait of Malacca. 



12. Triphora (Mastonia) rubra Hinds. 



Hinds. Ann. and Mag. Nat. Hist. Vol. XI, 1843, p. 19. 

 Tryon. Man. of Conch. Vol. IX, p. 1S2, PI. 58, fig. 13—16. 

 HEDLEY. Memoirs Austral. Mus. Vol. III, 1899, p. 441, fig. 29. 



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