474 ADDITIONS AND CORRECTIONS. 



Turbo guillardi DE FOL., Les Meleagrinicoles, p. 52. t. 5, f. 9, 10, 

 1867. 



May be a Gibbula allied to amirantium, tasmanica, etc. 



T. GAUDICHAUDII Hupe. PL 61, figs. 34, 35. 



Shell ovate-rotund, obliquely depressed, imperforate, black, 

 shining, spire short, obtuse ; whorls 4, convex ; base rounded ; 

 sutures margined ; aperture patulous, rounded ; right lip acute ; 

 columella wide, flattened or concave ; operculum corneous. 



Alt. 5, diam. 8 lines. (Hupe.) 



Valparaiso, Chili. 



T. guadichaudii HUPE, in GAY, Hist. fis. y polit. de Chile. Zool. 

 viii, p. 146, atlas, Malac. t. 4, f. 4 (1854). 



This species, unknown to me except for the above description, 

 looks like Turbo (Prisogaster) elevatus Soul. 



T. MALOUINUS d'Orbigny. Unfigured. 



Shell conical, thin, umbilicate, transversely striate, whitish ; spire 

 conical, apex obtuse ; whorls 4, convex, the last subangulate, with 

 the suture excavated ; aperture rotund-subangulose, lip thin, acute ; 

 columella acute. Alt. 2J, diam. 3 mill. (Orb.) 



Falkland Is. 



Trochus malouinus ORB., Voy. dans 1'Amer. Merid., p. 411. 



T. BICINCTUS Philippi. 



Shell small, conical, perforate, transversely striate, white, radiated 

 with rose, angular below the suture, the angle nodose ; last whorl 

 carinated in the middle ; base rounded ; aperture as high as wide, 

 throat striated, columella arcuate, terminating in a bipartite tooth 

 at the base. (Phil.) 



There are 5 whorls; above the shoulder-angle there are two 

 shallow spiral furrows ; between this and the peripheral carina there 

 are 4, of equal breadth to the elevated interspaces ; and on the base 

 about 12. Alt. 7, diam. 7 mill. 



Red Sea. 



Tr. bicinctus PHIL., Zeitschr. f. Mai., p. 102 ; Conchyl. Cab., p. 

 230, t. 35, f. 2. 



Has the outline of Priotrochus, but differs in the columella with 

 bipartite basal tooth. 



