1326 STATHA 



rounded ; dorsal slope obliquely subtruncatc ; surface stronoly. 

 concentrically sculptured ; epidermis fuscous, with a yellow- 

 ish border ; nacre pearl} . rose-colored. 



Length 92, height 40, diam. 27 mm. 



Upper Senegal. 

 SpathcJIa udausonl JorssK.AUMi;, Bull. Soc. Zool. Fr., XI, 1886, 



p. 498, pi. x:v, figs. 4. 4a. 

 Spatha adansoni Simpson, Syn., 1900, p. d^)^. 



Very close to and perhaps equal to S. i^'olilbcrgi. It is more 

 strongly, concentrically sculptured and rather more rhomboid 

 according to the figure than any of the specimens of that spe- 

 cies that I have seen and it is a little more inflated. 



Spatha wAHLBiiRCj (Krauss). 



Shell elongate elliptical, convex, subsolid. inequilateral ; 

 beaks slightly prominent, with very delicate, concentric sculp- 

 ture ; dorsal and ventral outlines nearly straight and parallel ; 

 anterior end rounded : posterior end rounded, but slightly in- 

 clined to be pointed at or below the median line ; surface deli- 

 cately and irregularly concentrically striate ; epidermis reddish- 

 brown, sometimes greenish-tinted ; anterior scars impressed, 

 the principal one situated close to the edge of the shell and 

 elongated ; dorsal scar shallow ; nacre varying from purplish 

 to coppery. 



Length 90, height 45, diam. 23 mm. 



Length no, height 55. diam. 31 mm. 



Tropical and Southern Africa. 

 Iridina wahlbergi Krauss, Sud Af. Moll.. 1848, p. 19, pi. 11, 



fig- I- 

 Platiris (Spatha) luahlhcrgi Lea, Syn.. 1852, p. 55 ; 1870. p. 



89. 

 Spatha ivahlbergi Ci.t-srix, Conch. Cab. Ano., 1876, p. 187. pi. 



Lxiii, fig. 1. — Simpson, Syn., 1900, p. 898. 

 Mutela wahlhergi Smith. Ann. and Mag.. VIII. 1891, p. 319. 

 Spatha nataJensis Lea. Pr. Ac. N. Sci. Phila., VIII, 1864, p. 



113; Jl. Ac. N. Sci. Phila., VL 1866, p. 64, pi. xx, fig. 58; 



Obs., XL 1867, p. 68, pi. XX, fig. 58.— Clessin, Conch. Cab. 



Ano., 1876. p. 189. pi. Lxn, figs. 7, 8. 



