PLACOSTYLUS, NEW CALEDONIA. 49 



Length 120, diam. 65, length of aperture 76 mill. Sometimes as 

 long as 150 mill. 



Southern part of New Caledonia, especially at South Bay and Tate 

 (Marie); Goro (Lambert). 



Bulimus souvillei MORE LET, Bull. Soc. Hist. Nat. Moselle, April 

 2, 1857; separate copies of the same, "Test. Nov. Austr.," p. 1 

 GASSIES, Journ. de Conchyl., vi, p. 273, 1857 ; Faune Conch. Nouv.- 

 Cale"d., i, p. 41, pi. 7, f. 1, 1863 ; ii, p. 70, 1871 ; with var. eximius. 

 FISCHER, Journ. de Conchyl., vi, p. 300, pi. 4, f. 13, 1857. PFR., 

 Monogr. vi, p. 81 ; viii, p. 114 (exclusive of varieties in footnote). 

 CROSSE, Journ. de Conchyl., xii, p. 110, 1864. Placostylus souvillei 

 Kobelt, in Conch. Cab. (edit. 2), Placostylus, p. 8, pi. 1, f. 1 ; pi. 2, 



f. 1, 1891 CROSSE, J. de C., 1894, p. 62 Bulimus eximius AL- 



BERS, Malak. Bl., iv, p. 96, May 20, 1857 (not of Reeve). PFR., 

 Monogr. iv, p. 446 ; Novit. Conch., i, p. 118, pi. 33, f. 1, 2. 



A large, dark, capacious and distinctly banded species, with the 

 lip but little thickened, not calloused within nor noticeably sinuated 

 above. The spire is always more or less denuded. 



P. LAMBERTI (Gassies). PI. 22, fig. 3. 



Shell large, imperforate, ovate-oblong, solid, longitudinally strigate 

 and circularly malleated ; covered with a brownish-buff, glossy, evan- 

 escent epidermis ; suture impressed, crispate, white. Spire fusiform, 

 the apex obtuse, pale corneous, shining. Whorls 7, convex, the last 

 two-thirds the total length. 



Aperture vertical, oval, dark buff-orange within, glossy ; parietal 

 fold small, tubercular ; columellar fold thick, ascending, flesh-colored 

 and glossy, blood-red above ; peristome thickened, scarcely reflexed, 

 buff-white, the margins joined by a brownish callus, bearing a tubercle 

 in the middle; slightly angulate above, a little expanded below. 

 Length 100, diam. 50, aperture 48 mill, long inside (Gassies). 



Uvea, Loyalty Is. (Lambert). 



Bulimus lamberti GASS., Journ. de Conchyl. xvii, p. 72 (1869); 



Faune, ii, p. 69, pi. 3, f. 6 (1871) PFR., Monogr. viii, p. 19 



Placostylus lamberti CROSSE, t. c., p. 268 (1894). 



Like typical P. souvillei in the simplicity of the outer lip and the 

 open aperture, but more elongated and without spiral bands. Gas- 

 sies' figure does not show the parietal tubercle alluded to in the text. 



