PLACOSTYLUS, NEW CALEDONIA. 47 



retaining some trace of orange color. Length 80, diara. maj. 40, 

 aperture 44 mill, long, 15 wide. 



fossil at South Bay (Lambert). 



Bulimus falcicula GASSIES, Faune ii, p. 190 (1871). 



Apparently distinct by the sickle-shaped upper termination of the 

 outer lip. It has not been figured, the above account being compiled 

 from Gassies. 



P. OUVEANUS (' Dotzauer,' Mousson). PI. 9, figs. 25, 26. 



Shell covered perforate, long-ovate, irregularly and strongly 

 wrinkle-striate, decussately impressed with some elongate wrinkles; 

 deep brown or streaked with paler. Spire regular, the apex rather 

 obtuse, denuded ; suture irregularly crenate and with a plicate-striate 

 margin below, white. Whorls 6, the earliest elegantly punctulate, 

 the following somewhat convex, last whorl larger, a little ascending, 

 ovate, compressed around the umbilical perforation. Aperture verti- 

 cal, as long as the spire, ovate-auriform, pale orange or livid whitish- 

 brown ; peristome buff-whitish, somewhat expanded, thickened, lipped 

 within ; the margins remote, joined by a one-toothed callus, the 

 upper margin slightly protracted at the insertion, lightly sinuated, 

 arcuate in the middle ; columellar margin with a tuberculose long 

 oblique callus within, the outer edge broadly reflexed, covering the 

 perforation. Alt. 51, diam. 26^ mill. (Mouss.) 



Ouvea, Loyalty Is. ( Dotzauer). 



Bulimus ouveanus DOTZAUER, in MOUSSON, Journ. de Conchyl., 

 xvii, p. 60, pi. 4, f. 4, 4, 1869. PFR., Monogr. viii, p. 116. GAS- 

 SIES, Faune Conch. Nouv.-Cal6d., ii, p. 62, 1871 Placostylus 

 ouveanus KOBELT, Conch. Cab. (edit. 2), Placostylus, p. 11, pi. 1, f. 



4, 5, 1891 CROSSE, J. de C., 1894, p. 260. Bulimus ouveanus, 



var. P, lifouana, CROSSE, Journ. de Conchyl., xvii, p. 180, 1869 



GASSIES, Faune Conch. Nouv.-Cal6l., ii, p. 63, 18fl. Placostylus 

 ouveanus var. lifouana KOBELT, Conch. Cab., p. 12, 1891. Bulimus 

 ouveanus var. y, alba, CROSSE, Journ. de Conchyl., xxii, p. 109, 184, 

 1874; xxiii, p. 218, pi. 8, f. 4, 1875. B. ouveanus var. albida 

 CROSSE, J. de C., 1884, p. 330. Placostylus ouveanus var., KOBELT, 

 t. c., p. 12. Bulimus ouveanus, monstr. sinistrorsa CROSSE, Journ. 

 de Conchyl., xxxii, p. 328, pi. 7, f. 3, 3a, 1884. Bulimus ouveanus, 

 monstr. scalaris CROSSE, t. c., p. 329, pi. 7, f. 4. 4. Bulimus 

 cesopeus GASSIES, Faune Conch. Nouv.-Cald., ii, p. 87, 1871; Jour. 



