1 1 y i > \ i i \ \ . 



II. PHTBH Linn,'. |M. I B, 17. 



Shell lar^c, globose or oval, thin ; under a thin hull' cuticl, 

 shell is while, irith ni'inn >/ />/<>//// >/,/',<// ft i face 



very slightly and coar>ely waved longitudinally, oth : .th. 



Vertex Hal, the spin- about level ; whorls about :;.', the first a min- 

 Ute globose, uptilted and hall' immer-ed nucleus, the rest .-epai 

 by deep sutures. Body-whorl globose above, somewhat attenuated 

 below, where there is a convex spiral rib surrounding tin- umbilical 

 tract; aperture about as long as the shell, I ate, n Err- 



and curved above, dilated below. Lip simple and thin, very little 

 retracted toward its upper insertion, rounded at base, bluntly 

 angled at foot of the columella. Columella gently concave or 

 nearly straight, with reflexed edge, leaving an umbilical chink or 

 rarely none. 



Alt. 32, diam. 29 mill., often larger. 



Alt. 29, diam. 20 mill., slender specimen. 



Natal (Krauss) ; Mozambique and Imhambane (Peters) ; M'tm-i- 

 tius (Q. & G., Robillard, et al.) ; Rodriguez (Robillard) ; 7iVn //// 

 (Desh.) ; Seychelles and Amirantes (Dufo) ; Red Sea (Ehrenb., 

 Cooke) ; Philippines (Martens) ; Manila; Jeddo, Japan (Lischke) ; 

 Port Jackson, Botany Bay and Moreton l!<i;j, Australia (Angas) ; 

 Sandwich Is. (Newcomb) ; Cuba (Orbigny) ; Guadeloupe (Beau) ; 

 St. Thomas (Swift) ; St. Vincent Island, West Africa (Geisse). 



Bullaphysis LINN., Syst. Nat. x, p. 727. A. AD., Thes. p. 565, 

 pi. 120, f. 9-11. QUOY & GAIM., Astrol. p. 363, pi. 26, f. 1-3 (an- 

 imal). KRAUSS, Die Siidafrik. Moll. p. 70. Hydatina ; 

 Sown., Conch. Icon. f. 2. DKR., Ind. Moll. Mar. Jap. p. 162. 

 MARTKN'S, Mobius' Reise p. 304; Monatsber. K. Akad. Wissensch. 

 Berl. 1879, p. 738. MKE., Mai. Bl. i, p. 41. M..I : , n. Mai. HI. 

 xxii, p. 175. COOKE, Ann. Mag. N. H. (5), xvii, p. 1 

 LISCHKE, Jap. Meeres-Conch. i, p. 114. AN;A>. P. '/.. S. ]>;;. p. 

 225. Hydatina fihsa ScnuM.,Essai d'un Nouv. Sy>t. p. 186. / 

 la virgata MARTYN, Uni v - ConoMi. ]>1. 11. Hullo ntrolineala 

 SCHROETER, Wiedemanii's Archiv fiir Zool. u. /oot. i\, j.. 111. 

 liii/fn nuoyana ORB., Moll. Cuba, p. l-'il. llu/ln (Hwlntinn* ttumi- 

 nea MKE., Zeitschr. f. Mai. 1853, p. !::; : Mai. HI. i, p. 41 ( narn-w 

 form.) 



Readily known by the numerous -piral lines. This species has 

 an extremely wide range, surpassing, probably, any other T 



