638 BUCCINUM. 



the present species, of which it appears to be only a slight 

 Variety. 



AMBIGUUM. [21. Shell sub-pyramidal, with distant 

 longitudinal ribs, and striated transversely ; 

 outer lip slightly denticulated. 



Buccinum ambiguum. Pidteneys Dorset Cat. p. 42. 



Montagu Test. p. 242. t. 9- f. 7. Maton and Racket, 



in Lin. Trans, viii. p. 138. t. 4. f. 5. Dorset Cat. p. 45. 



t. 18. f. 19. 

 Buccinum Puilus. Pennant Brit. Zool. iv. p. 118. t. 72. 



f. 88. 

 Buccinum vulgatum, Var. Gmelin, p. 349G. 

 Buccinum, No. 43. Schroeter Einl. i. p. 368. 

 Gualter, t. 44. f. V. Martini, iv. p. 42. t. 124. f. 1165 



and 1166.? 

 Inhabits the coasts of Britain. Pidteney, 8ic. 

 Shell rather more than half an inch long, and three-eighths as 

 broad, with six whirls, and differs from B. reticulatum, not 

 only in being much broader in proportion to its length, but 

 also in having the ribs more distant, and the aperture 

 rounder. 



MACULA. 122. Shell ovate, longitudinally ribbed 

 and striated transversely ; outer lip gibbous. 



Buccinum Macula. Montagn Test. p. 241. t. 8. f. 4. 



Malou and Racket, in Lin. Trans, viii. p. 138. t. 4. f. 4. 



Dorset Cat. p. 45. 1. 15. f. 8. 

 Buccinum minutum. Petinant ZooL iv. p. 122. t. 79- 

 Tritonium incrassatum. Muller in Acta JNidros. iv. p. 96. 



t. 16. f. 25. 

 Murex incrassatus. Gmelin, p. 3547. 

 Inhabits the coasts of Norway. MuUer. Britain. Pen- 

 nant, Kc. 

 Shell about half an inch long, and half as broad, and resembles 

 the young of B. reticulatum, but may be at once distin- 

 guished by its gibbous outer lip, and by a small dark pur- 

 plish spot at the outer edge of the canal. 



STOLATUM. 123. Shell oblong-ovate, with one side 

 of the body-whirl nearly smooth, and the rest 

 plaited longitudmally and obsoletely striated 

 transversely ; aperture roundish. 



