538 THE VOYAGE OF H.M.S. CHALLENGER. 



Cerithium Jcoehi, E. A. Smith, Japan Gasterop., Ann. and Mag., 1875, ser. 4, vol. [xvi. p. 105, 



No. 63. 

 „ „ E. A. Smith, Andaman Mar. Shells, Proc. Zool. Soc. Lond., 1878, p. 817, No. 56, 



pi. I. fig. 18. 

 „ „ v. Martens, MolL Mauritius, &c, p. 280. 



„ ,, Dunker, Index Moll. Mar. Japon., p. 108. 



September 18, 1874. Arrou Islands. (No depth given.) 

 October 6, 1874. Amboyna. 15 to 25 fathoms. 



Habitat. — East coast of Africa (Philippi, &c); Red Sea, Mauritius, Ceylon, Nicobars, 

 and Malay Archipelago (v. Martens) ; Japan, Philippines, and Andamans (British Museum, 

 and Lischke). 



15. Cerithium (Vertagus) martini anum, Pfeiffer. 



Murex vertagus (but not of Linne), Chemnitz, Conch. Cab., vol. iv. p. 319, pi. clvi. fig. 1480. 

 Cerithium vertagus (but not of Linne), Bory de St Vincent, Encycl. method., pi. ccccxliii. fig. 2. 

 Murex vertagus (but not of Linne), Wood, Ind. Test., p. 136, pi. xxvii. fig. 143 (corrected by Hanley 



to Cerithium martinianum). 

 Cerithium martinianum, Pfeiffer, Krit. Register zum Conch. Cab., p. 1, Diagn. 4, and p. 42. 



,, procerum, Kiener, Iconog., p. 22, pi. xviii. fig. 1. 



,, „ Deshayes in Lamarck (ed. Desh.), vol. ix. p. 309, sp. 40. 



„ fasciatum (but not of Brug.), Sowerby, Thes. Conch., pt. 16, pL clxxvi. fig. 6. 



,, vertagus martinianum, Reeve, Conch. Icon., vol. xv. pi. iii. fig. 14. 



March 3-10, 1875. Tracey Island, Nares Harbour, Admiralty Islands. 



Habitat. — The Indian Ocean. 



Professor v. Martens (Meeresfauna d. Insel. Maurit., &c, p. 279) unites this species to Cerithium 

 vertagus (Linne) ; Hanley (Ipsa Linn. Conch., p. 308) parts them. 



16. Cerithium (Vertagus) turritum, Sowerby. 



Cerithium turritum, Sowerby, Thes. Conch., vol. ii. p. 860, sp. 47, pi. clxxx. fig. 101.] 

 „ „ Reeve, Conch. Icon., voL xv. pi. xiii. fig. 88. ; 



„ „ E. A. Smith, Japan Gasterop., Ann. and Mag., 1875, ser. 4, vol. xvi. p. 106, 



No. 64. 

 „ „ E. A. Smith, Andaman Mar. Shells, Proc. Zool. Soc. Lond., 1878, p. 817, No. 57, 



pi. 1. fig. 19. 

 „ ,, Brazier, "Chevert" Exped. Shells, Proc. Linn. Soc. New "South^ Wales, 1877, 



vol. i. p. 316, No. 23. 

 Vertagus Pfeifferi, Dunker, Index Moll. Mar. Japon., pp. 108, 257, 



September 8, 1874. Albany Island, Cape York, Torres Strait. 3 to 12 fathoms. 



Habitat. — Philippines (Sowerby) ; Japan and Andamans (Smith) ; Torres Strait, 5 to 

 30 fathoms (Brazier). 



