18 BUCCINUM. WHELK. 



fous-brown line round the middle of each volution : Aspires 

 six or seven, very little raised, finely and closely ribbed 

 longitudinally, and obscurely striate transversely in the 

 depressions between the ribs : aperture narrow, the outer- 

 lip thickened at the back, and slightly toothed within, with 

 a small rufous spot on the edge, and another at the upper 

 angle of the aperture, and from these two spots may be traced 

 two obscure broken lines round the base of the shell ; in- 

 ner-lip slightly notched by the transverse stride of the base : 

 length barely a quarter of an inch ; breadth about a third 

 of its length. 

 Found at Weymouth by Mr. Bryer : very rare. 



14. Buccinum minimum. Minute Whelk. 

 Montagu, pi. 8. f. 2 Donovan, pi. 179. f. 2. 



Shell strong, conic, taper : spires five, rounded and well 

 defined, ribbed longitudinally, and reticulate by finer trans- 

 verse lines : color from light to dark chesnut brown : 

 aperture oval, a little elongated at the base, with both the 

 lips smooth : length hardly two-tenths of an inch. 



Western coasts, and Dunbar : rare. v. m. 



15. Buccinum terrestre. Land Whelk. 

 Montagu, pi. 8. f. 3 Walker, f. 60. 



Shell very slender, smooth, glossy, transparent, obtusely 

 pointed, white: spires six, a little raised, and very obliquely 

 separated by the line of junction; the first more than twice 

 as long as the second : aperture oblong, somewhat oval ; 

 the lips without teeth, the outer-one thin and even, the in- 

 ner-one thickened and forming a small canal : length about 

 a quarter of an inch; breadth a line. 



On the top of Barham Downs, in moss and at the roots 

 of grass ; and brought down by the floods into the Avon, 

 at Lackham in Wiltshire: Eton, and Dunbar : rare. v. vn. 



The following species are very obscure and imperfectly 

 described, not having been ascertained since the time of 

 their respective discoverers. 



16. Buccinum obtusulum. 

 Walker, f. 59. 



Shell qpake, white, with three tumid spires : aperture 

 pval. 



At Faversham creek ; minute, 17- Buc- 



