19 
SJ. 2.—Turt. D. p. 78.—Lin: T. 8. p. 24:—Wood. G: 
C: p. 46.—D. p. 18.—White, somewhat conical, nearly 
closed at the top and rather spreading at the base; with 
numerous, nearly equidistant, strong, rounded ribs, 
radiating from the top to the base. %. W. Coast of 
England, Wales, and Ireland. 
B. Criavatus, Ellis Zoop. p. 198. t. 15. fi 7. 8.— 
Mont. p.10.—Dor: Cat. p. 25: t. 1. f. 6.—B. Fistu- 
Losus. Brug. p: 166.—Lepas. C. Wood. G. C. p. 45. 
t.7. f. 2.—L. Evoneatvus. Ch. f. 838.—D. p. 17. 
Turt. D. p. 77.—L. BaALanoiwes. var. Pen. 4. p. 73. 
t. 37. f. 54.—Don. t. 36. f. 1—Elongated-clavate, 
broader at the top than at the base ; dirty white; valves 
three wide and three narrow, wrinkled longitudinally 
and faintly striated transversely: operculum quadri- 
valve, obliquely striated. 2. ¢. Sandwich, Weymouth. 
Not improbably an elongated variety of Rucosus. 
B: ConoivEs. Mont. p. 12.—Lepas C. Don. t. 30. 
J. 3.—Lin: T. 8. p. 24.—Turt. D. p: 77.—Wood. G. 
C. p. 42.—D. p. 18.—An B. Levis. Brug ?—C oni- 
cal, with smooth valves, pointed at the apex: aperture 
very small. Diam. ¢. On Anatifa Levis — Donovan's 
figure is purplish white, and whether from the style of 
engraving or not, appears reticulated by longitudinal 
and fine transverse strie. 
