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



Mitra nexilis, Martyn, Univ. Conch., vol. i. fig. 22, ami (ed. Chenu) pi. vi. fig. 5. 

 Voluta filaris and Voluta filosa, Dillwyn, Cat., vol. i. p. 540, sp. 93, 94. 



„ „ and „ „ Wood, Ind. Test., p. 103, pi. xx. figs. 90, 91. 



Mitra nexilis, Lamarck, Anim. s. vert., vol. vii. p. 305, and (ed. Desh.) vol. x. p. 309, sp. 16. 



„ filosa, Lamarck, Anim. s. vert., vol. vii. p. 311, and (ed. Desh.) vol. x. p. 321, sp. 33. 



„ ,, Deshayes, Encycl. method, vers, vol. ii. (2) p. 453, sp. 16. 



„ „ Kiener, Iconog., p. 20, sp. 17, pi. v. fig. 12. 



„ filaris, Schubert and Wagner, Conch. Cab., vol. xii. p. 81, pL ccxxv. figs. 3092, 3093. 



„ „ Reeve, Conch. Icon., vol. ii. pL xi. fig. 81. 



„ „ Hanley, Ipsa Linn. Conch., pp., 455, 554. 



„ filosa, Kiister, Conch. Cab. (ed. Kiister), p. 47, sp. 15, pi. ix. figs. 3, 4, pi. xiii. figs. 11, 12. 



,, nexilis, Kiister, Conch. Cab. (ed. Kiister), p. 64, sp. 36, pi. xii. fig. 7. 



„ filaris, Sowerby, Thes. Conch., vol. iv. pts. 31, 32, p. 8, sp. 110, pi. ccclviii. (vii. Gen.) figs. 82, 83. 



„ (Camilla) filaris, Brazier, "Chevert" Exped. Shells, Proc. Linn. Soc. New South Wales, vol. i. 

 p. 208, No. 35. 



„ „ ,, v. Martens, Moll. Mauritius, &c, p. 251. 



„ „ „ Tryon, Manual, vol. iv. p. 138, pi. xL figs. 174-176, 180. 



July 29, 1874. Levuka, Fiji. 12 fathoms. 



Habitat. — Philippines and Moluccas (Berne Mus., Coll. Shuttleworth), Tahiti (Reeve), 

 Torres Strait (Brazier), Mauritius, Bourbon, Indian Ocean, Polynesia (v. Martens). 



7. Mitra {Cancilla) interlirata, Reeve. 



Mitra interlirata, Reeve, Proc. Zool. Soc. Lond., 1844, p. 173. 

 „ „ Reeve, Conch. Icon., voL ii. pi. x. fig. 70. 



„ „ Sowerby, Thes. Conch., vol. iv. pts. 31, 32, p. 9, sp. 112, pi. ccclix. (xix. Gen.) 



fig. 369. 

 Cancilla interlirata, Brazier, " Chevert " Exped. Shells, Proc. Linn. Soc. New South Wales, vol. i. 



p. 209. 

 Mitra (Cancilla) interlirata, v. Martens, Moll. Mauritius, &c, p. 251. 



„ „ fiammea var., Tryon, Manual, voL iv. p. 140, pi. xii. fig. 192. 



Station 172. July 22, 1874. Lat. 20° 58' S., long. 175° 9' W. Off Nukalofa, 

 Tongatabu (within the reef). 18 fathoms. Coral mud. 



July 29, 1874. Levuka, Fiji. 12 fathoms. 



Station 185b. August 31, 1874. Lat. 11° 38' 15" S., long. 143° 59' 38" E. Raine 

 Island, Cape York, Torres Strait. 155 fathoms. Coral sand. 



(?) September 18, 1874. Arrou Island, west of Papua. 



Habitat. — Masbate, Philippines (Reeve), North-east Australia and Torres Strait, 5 

 to 30 fathoms (Brazier) ; Mauritius, Ceylon, Nicobars, Malay Peninsula, Polynesia 

 (v. Martens). 



Tryon unites here some eight species, but gives no reasons for his opinion. I feel pretty confident 

 that in several of these cases here he is mistaken. Possibly some of his specimens have been badly 

 defined, much confusion prevailing in museums as regards this species. 



