EUCHELT'S. 437 



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

 Umbilical perforation minute. Alt. 6, diani. oJ to 6 mill. 



Lord Hood's Id.; Paumotus ; Vitils.; Philippines. 



3fonodonta foveolata AJU., P. Z. 8. 1851, p. 176. Euchelus anqa- 

 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. PL 38, fig. 1. 



More elongated and conical; last whorl biangulate by the prom- 

 inence of two njfijtfian line, the lira? above these small or subobsolete. 



Alt. 5, diam. 4 2 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. 5 2, diam. 5 mill. 



Japan. 



Trochus pauperculm 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. foveolatus, 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-striae 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-pearly, lap 

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

 simple. Alt. 61, diam. 5J mill. (Souverbie.') 



Island of Art, New Caledonian Archipelago. 



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

 11, f. 9. SOUVERBIE in FISCHER, Coq. Viv., p. 248, t. 84, f. 2. 



