216 GIBBULA. 



penultimate whorl, but very variable ; body-whorl with a prominent 

 rib at the periphery, convex beneath ; aperture quadrangular, 

 delicately ribbed within and iridescent, green predominating ; 

 columella arcuate above, then straight and oblique, terminating near 

 the base in a slight denticle. Alt. 6-7, diam. 6-7 mill. 



Codgee Bay, N. S. Wales. 



G.picturata AD. ET ANG., P. Z. S., 1864, p. 36. T. picturatus 

 FISCHER, Coq. Viv., p. 272, t. 90, f. 2. 



A beautiful little species, usually either flamed with dark red or 

 dotted all over w r ith pink. The ground-color sometimes has a green 

 cast, or is pink. 



G. FULMINATA Button. PI. 43, figs. 14-16. 



Shell small, narrowly perforate, globose-conoidal, shining, solid, 

 smooth, except for a few striae around the umbilicus ; color pink, 

 orange, purplish or olive-brown, generally with a series of white 

 blotches alternating with self-colored darker ones below the sutures, 

 a girdle of white blotches around the periphery and often around 

 the umbilicus ; the intervening spaces irregularly strigate with 

 darker zigzag streaks or unicolored. Spire short, apex rosy ; whorls 

 about 5, convex; aperture rounded-quadrate, iridescent within, the 

 lip white-margined ; columella arcuate, a trifie straightened in the 

 middle; umbilicus white. Alt. 7-1, diam. 7-1-8 mill. 



Auckland to Wellington, N. Z. ; Clnti1i<tm I*. 



Chrysostomafulminata HUTTON, Cat. Mar. Moll. X. Z., p. 36 (1 873). 

 Margarita falminata HUTTON, Proc. Linn. Soc. N. S. Wales, ix, 

 1884, p. 364. 



Differs from G. nitida in the white umbilicus, more globose form 

 and different color-pattern ; from G. picturata in the heavier texture 

 and lack of spiral lirse. 



G. ROSEA Hutton. 



Whorls faintly spirally striated; very narrowly umbilicated; 

 pinkish white, with three or four narrow pink spiral bands and some 

 purplish spots on the body-whorl near the suture. 



Alt. "15, diam. *23 inch. (Hutton.) 



Stewarts Id. ; Campbell Id. 



Chrysostoma rosea HUTTON, Cat. Mar. Moll. N. Z., p. 36 (1873). 

 Margarita rosea HUTTON, Proc. Linn. Soc. N. S. Wales, ix, 1884, p. 

 364. 



