CVCLOPHOJIUS. 9l 



Cyclophorus {Eitcyclophorus) scurra, var. daviso7iiana, Kobelt Sc 

 MoUendorff, Naclir. Dents. Mal;vl<. Ges. xxix, 18'J7, p. Ill ; id., 

 Cat. Piicuni. 189<), p. 23. 



Ci/dophorus (Ci/c/o/i/ionis) scurra, var. davisoniana, Kobelt, ])as 

 'Tierreicli, Lief. 1(5, l!)02, p. 142. 



Last whorl more contracted and baseless convex tlian in the 

 type. Nevill stated that it would probably prove to be a distinct 

 species. 



llab. Burma : Tenasserim (Davison). 



Subgenus CYCLOHELIX, MorcJi. 



Ci/clo/irlix, MiJrch, Cat. Coucli. Voldi, i, 1852, p. 41; Codwin- 

 Austeii, Land & Fre.shw. Moll. India, ii, 1897, p. 23 ; Kobelt & 

 Mullendorff, Nachr. Deuts. Malak. Ges. xxix, 1897, p. Ill ; id., 

 Cat. Pneum. 1899, p. 23 ; Kobelt, Das Tierreicb, Lief. 16, 1902, 

 p. 144. 



Type, Turbo folUiceas, Chemnitz. 



liaiujc. Nicobar and Andaman Islands. 



Shell conical-turbinate, generally with spiral sculpture, um- 

 bilicus narrow or covered. Peristome much tliickened. Operculum 

 spiral, smooth in front, flat, thin. 



128. Cyclophorus crocatus, Bom. 



Tiirho crocatm; Ijoni, Index Mns. Vindob. 1778, p. 343. 



IrocJins crocatus, Born, Testacea, 1780, p. 338, pi. 12, fif^.s. 11, 12. 



Cyclophorus crocatus, Pfeiffer, Cat. I'lianeropn. Brit. Mns. 18-"J2, 



p. 55 ; id.. Men. Pneum. Suppl. 3, 1875, p. 1 1 1 

 Cyi'lophorus {Cyc/iJielu) crocatus, Morch, Jouni. Concliy!. xx, 



1872, p. .'510 ; id., op. cit. xxiv, 1876, p. .360 : Nevill, Hand List, 



i, 1878, p. 275; Godwin-Austen, Land & Fi'eshw. Moll. India, 



ii, 1897, p. 24, pi. 68, figs. 5-8 (anatomy) ; Kobelt & Mijllendorfl', 



Nachr. Dents. Malak. Ges. xxxi, bSiJOj p. 134 ; id., Cat. I'neuni. 



1899, p. 101 ; Kobelt, Das Tierreich, Lief. 16, 1902, p. 144. 

 Trochus turbo, Clienmitz, Concb.-Cab. ix, part 2, 1786, pp. 2, 53, 



pi. 122, fig. 1059. 

 Cychstoma turbo, Sowerby, Thes. Conch, i, 1843, p. 116, pi. 25, 



ligs. 102, 103; Pfeiffer, Conch. -Cab., Cyclostoniaceon, 1848, 



p. 140, pi. 19, figs. 4, 5. 

 Cyclophorus turbo, PfeifTer, Zeits. Malak. iv, 1847, p. 108; id., Mon. 



Pneum. 1852, p. 80; Reeve, Conch. Icon, xiii, 1861, Ci/clophorus, 



pi. 13, fig. 57 ; Pfeiffer, Malak. Bl. xxiv, 1877, p. 147.' 

 Cyclophorus [Cyclohelix) turbo, jMcircli, Cat. Concn. Yoldi, i, 

 '1852, p. 41 ; id., Journ. Couchyl. xx, 1872, j). 3.38 ; Nevill, Hand 



List, i, 1878, p. 275 ; Kobelt .<t Mollendorft', Nachr. Deuts. 



Malak. Ges. xxix, 1897, p. HI ; id.. Cat. Pneum. 1899, p. 23. 

 Ci/clostoma macidosa, Jay, Cat. Shells, ed. 3, 1839, p. 122, pi. 7, 

 ' ligs. 9, 10. 



Oriiiinal description : — " Testa conica, h-evi^- ; aufractus circiter 

 (juinque conve.xi, sulco suturali interstincti ; basis convexa ; 



