GASTROPODA. 19 
canaliculata; basis vix convexa, valde lirata, liris 7-8 con- 
fertiusculis, rotundatis; columella leviter obliqua, callosa ; 
apertura oblique sub-quadrata, intus argentea. 
Alt. 13, diam. 14 millim. 
Hab. Pondoland (Layard). 
A regularly conical typical Calliostoma, distinguished by 
the bright ruby double keel at the angle of the whorls. In 
the type specimen the narrow umbilicus is only partially 
covered, but probably in older shells it would be entirely 
closed. 
Crancutus Krauss, Philippi (Monodonta), Conch. Cab., 
p- 82, pl. 14, f. r4. Durban. 
EucCHELUS QUADRICARINATUS, Chemnitz (Tvochus), Conch. 
Cab. xi., p. 167, pl. 196, f. 1892.—Durban. 
Umponrum vestiarium, Linn., Sow., Thes. Conch., 
vol. v., pl. 472, figs. 1-5—Durban. 
FIssuRELLA SIMILIS, Sowerby, Thes. Conch, vol. iii., 
p. 194, pl. 241, f. 143.—Durban 
FIssuRELLA GR&CA, Linn., Sow., Illust. Index Brit. Shells, 
pl. 11, figs. 1, 2 (F. reticulata, Donoyv).—Durban. 
Macrocuisma compressa, A. Adams, Sow., Thes. Conch., 
vol iii., p. 205, pl. 244, f. 218.—S. Africa , Turton). 
Curiron Ltyratus, Sowerby, Conch. Illust., fig. 126.—Port 
Elizabeth. 
Curiron (IscHNOCHITON) ELIZABETHENSIS, Pilsbry, ‘The 
Nautilus,” vol. viii., p. 9 —Port Elizabeth. This is the species 
quoted by me as Chiton marginatus, which it very closely 
resembles. Mr. E. R. Sykes (Proc. Malac. Soc., vol. i., p. 
133) expressed the opinion that it was identical with C. oniscus, 
Krauss. 
CuiTon (ACANTHOPLEURA) AFRA, Rochebyune, Bull, Soc. 
Philom. 1882, p. 192.—Cape of Good Hope (Verreaux). 
Unknown to me. 
Cuiton (ACANTHOPLEURA) QUATREFAGESI, Rochebrune, 
ee de Conch, 1881, p.44.—Cape of Good Hope (Verreaux). 
nknown to me. 
Cuiton (ACANTHOCHITES) CARPENTERI, Pilsbvy, Man. of 
Conch., vol. xv., p 35, pl. 1, f. 14-22.—Pt. Elizabeth. 
