108 PLACOSTYLUS, FIJI IS. 



P. OCHROSTOMA (Garrett). PL 40, tigs. 73, 74. 



Shell narrowly umbilicate, ovate, thin but moderately solid, pink- 

 tinted white, in great part denuded of cuticle, which where retained 

 is very thin, pale buff, with greenish or pale olive streaks or spots. 

 Lustreless, the last whorl or part of it sculptured with rather coarse 

 and irregular but low spiral and descending wrinkles ; the spire 

 short, nude and ruddy, apex obtuse. Whorls 4^, the earlier 1| 

 punctate when not deeply eroded ; the last whorl moderately inflated,, 

 tapering below. 



Aperture ovate, yellowish inside, becoming darker, somewhat 

 yolk-colored toward the lip. Peristome expanded, with pale blunt 

 edge ; the basal margin somewhat effuse, columellar margin dilated 

 above, reflexed ; columella with a strong regularly curved fold above, 



Alt. 32, diam. 17 ; longest axis of aperture 21 mill. 



Alt. 33|, diam. 16^ ; longest axis of aperture 20 mill. 



Alt. 31, diam. 16 ; longest axis of aperture 20 mill. 



Taviuni and Gomea, Viti Is. (Garrett), 



Bulimus ochrostoma GARRETT, Amer. Journ. of Conch, vii, 1872, 

 p. 232, pi. 18, f. 3. PFR., Monogr. viii, p. 36. CROSSE, J. de 

 Conchyl. 1875. p. 19. Placostylus ochrostoma SCHMELTZ, Catal. 

 Mus. Godeffroy vi, p. 81. KOBELT, Conchyl. Cab. p. 56, pi. 13, f. 

 8, 9 (not characteristic). Placostylus ochrostomus (including ram- 

 biensis) GARRETT, P. Z. S. 1887, p. 183. 



Var. RAMBIENSIS (Garrett). PI. 40. tigs. 71, 72. 



Larger than typical ochrostoma, with the shell-substance white or 

 nearly so, the cuticle generally much more persistent, pale, profusely 

 marked with triangular green spots, or sometimes merely streaks, on 

 the last whorl or half whorl ; spiral wrinkle-sculpture the same. 

 Aperture white within, the lip more or less yellow or saffron tinted. 



Alt. 38, diam. 20 ; longest axis of aperture 25^ mill. 



Alt. 39, diam. 20 ; longest axis of aperture 24 mill. 



Rambi Island, Viti group (Garrett). 



Bulimus rambiensis GARRETT, Amer. Journ. Conch, vii, 1872, p. 

 233, pi. 18, f. 4. PFR., Monogr. viii, p. 36 CROSSE, J. de Con- 

 chyl. 1875, p. 19. Placostylus rambiensis SCH.MKLTZ, Catal. Mus, 

 Godeffroy vi, p. 81. KOBELT, Conchyl. Cab. p. 125, pi. 31, f. 2, 

 3 (not characteristic). 



