EUCHELTJS. 437 



columella slightly concave, rather wide, flat, not toothed at base. 

 Umbilical perforation minute. Alt. 6, diam. 5? to 6 mill. 



Lord Hood's Id.; Paumotus ; V'di Is. ; PhUippuies. 



Monodonta foveolata Ajj., P. Z. S. 1851, p. 176. — Euchehis angu- 

 latus PsE. Amer. Journ. Conch, iii, p. 283, t. 23, f. 27 (1867). 



A very distinct little shell, with coarsely latticed sculpture. Part 

 of the specimens before me are imperforate. 



Var. ANGULATus Pease. PI. 38, fig. 1. 



]\[ore elongated and conical ; last whorl biangulate by the prom- 

 inence of two median lirse, the lirse above these small or subobsolete. 



Alt. 5, diam. 4h mill. 



Id. Annaa. 



This variety is imperforate when adult. 



E. PAUPERCULUS Lischke. PI. 63, figs. 20, 21. 



Shell small, conical, solid, thick, imperforate, white, spotted on the 

 ribs with blackish-brown ; spire conical ; sutures slightly channelled ; 

 whorls 5, convex, encircled by strong spiral ribs, the interstices 

 clathrate, pitted by longitudinal lamellae. Spiral ribs 3 to 5 on the 

 penultimate, 8 or 9 on the last whorl; aperture rounded, thickened 

 and crenulate inside; columella straight, broad, not toothed. 



Alt. 55, diam. 5 mill. 



Japan. 



Trochus patcperculKs Lischke, Mai. Blatter xix, p. 105 (June, 

 1872) ; Jap. Meeres-Conchyl., 3d pt., p. 69, t. 4, f. 9-11. 



Similar in form, size and sculpture to E. foveolatas, but variegated 

 with blackish, imperforate, with straighter columellar edge. 



E. scROBicuLATUs Souverbie. PI. 38, figs. 2, 3. 



Shell imperforate, ovate-conic, subventricose, apex rather obtuse, 

 dull white, ornamented with strong spiral subnodose ribs, decussated 

 by elevated rib-strise cutting the interstices into square pits, of 

 which there are 3 or 4 series on the third whorl, 4 on the penulti- 

 mate, and 7 on the last ; whorls 5, rounded, separated by a deep, 

 subcanaliculate suture ; aperture rounded, oblique, sub-j^early, lip 

 duplicate, edge acute, crenulated, sulcate inside, columella vertical, 

 simple. Alt. 6t, diam. 52 mill. (Souverbie.) 



Island of Art, New Caledonian Archipelago. 



Trochus scrobieulatns Souv., Journ. de Conchyl. 1866, p. 140, t. 

 11, f. 9. — Souverbie in Fischer, Coq. Viv., p. 248, t. 84, f. 2. 



