GENUS BUCCINUM. 101 
DIVISION OF THE BUCCINUM INTO TWO TRIBES AND NINE 
GROUPS. 
FIRST TRIBE. 
SPECIES GENERALLY VENTRICOSE, SPIRE ELONGATED ; APERTURE 
OVATE, STRONGLY EMARGINATED AT THE BASE; OPERCULUM 
HORNY, UNGUIFORM, WITH CONCENTRIC ELEMENTS, SUMMIT 
MARGINAL. 
True Buccina. 
B. undatum, Lin., Gmel. The waved Buccinum. 
— ventricosum, Nobis. — ventricose 
— glaciale, Linn., Gmel. — northern 
—- Lamarckii, Nobis. Lamarck’s 
— fusiforme, Nobis. The spindle-shaped 
— Anglicanum, Martini. — English 
— fuscatum, Brug. — dusky 
— papyraceum, Brug. — paper 
; — ligatum, Lam. — bound 
— testudineum, Chemn. — tortoise-shell 
— lineolatum, Quoy et Gaimard. — lineated 
— globulosum, Nobis. — globular 
— levissimum, Gmel. — smooth 
— violaceum, Quoy et Gaim. — violet 
— Delalandii, Nobis. Delalande’s 
— viverratum, Nobis. The civet 
— tigrinum, Nobis. — tiger 
— alveolatum, Nobis. — chequered 
— costatum, Quoy et Gaim. ; — ribbed 
— Quoyii, Nobis. Quoy’s 
— Paytense, Val. The Payta 
— cochlidium, Chemn. — stair-case 
— moniliferum, Val. — collared 
— callosum, Wood. — callous 
—annulatum, Lam. - — ringed 
