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. piduratus 

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



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

 dotted all over with pink. The ground-color sometimes has a green 

 cast, or is pink. 



G. FULMiNATA Huttou. PI. 43, Hgs. 14-16. 



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

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

 orange, purplish or olive-brown, generally with a series of w'hite 

 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 trifle straightened in the 

 middle; umbilicus white. Alt. 72, diam. 72-8 mill. 



Auckland to Wellington, N. Z. ; Chatham Is. 



Chrysostomafulminata Hutton, Cat. Mar. Moll. N. Z., p. 36 (1 873). 

 -^Margarita Jubninata Hutton, Proc. Linn. Soc. N. S. Wales, ix, 

 1884, p. 864. 



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 line. 



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. (Hatfoii.) 



Steivarts Id. ; (kiynpbell 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. 



