
A, E. Verrill— Catalogue of Marine Mollusca. 489 
RHACHIGLOSSA. 
Marginella carnea Storer (?). 
Marginella carnea Storer, Journal Boston Soc. Nat. Hist., i, p. 465, pl. 9, figs. 3, 4, 
1837. 
Marginella roscida ? Verrill, Amer. Journ. Sci., xx, p. 391, Nov., 1880; Proc. U.S. 
Nat. Mus., iii, p. 369, 1880. 
Our shell has a somewhat higher and more acute spire than the one 
figured by Storer, and the callus does not reach its summit. There 
are four prominent folds on the columella, the two anterior ones very 
oblique. The color is not preserved. 
A single dead specimen, closely resembling this species, was taken 
off Martha’s Vineyard, at station 865, in 65 fathoms, 1880. Another 
specimen, also dead, but, more perfect, was taken, in 1881, at station 
949, in 100 fathoms. Key West, Florida,—Storer. 
Buccinum Linné (restricted); Lam., 1801. 
Tritonium (pars) Miller; Lovén; Moérch. 
Gould recognized three species of this genus in his report on the 
Invertebrata of Massachusetts, viz: B. undatum, B. Donovani, and 
BL? ciliatum. The last two he only knew from the Grand Bank. 
The first is very abundant on the northern coasts of New England, 
both between tides, as at Eastport, Me., and Grand Menan I., and at 
all depths down to 50 fathoms or more, on hard bottoms, of sand or 
stones. It extends southward, along the coast, in equal abundance, 
in moderate depths, as far as the region off Chesapeake Bay, where 
it was taken in great numbers, and of large size, in 31 to 57 fathoms, 
by Lieut. Z. L. Tanner on the “ Fish Hawk,” in 1880. It varies 
greatly in different localities, and many varietal names have been 
proposed by European writers for the corresponding European forms,* 
Dr. Wm. Stimpson and others have considered our species distinct 
(as B. undulatum) from the European BL. undatum. Our littoral 
northern variety is certainly very different, as a variety, from the 
common shallow-water form of Great Britain, but the latter can be 
almost exactiy matched by our specimens dredged abundantly on the 
* The various species of Buccinum are notoriously variable and difficult to identify, 
The nucleus and upper whorls often afford excellent characters for separating some of 
_ the difficult species. It is, therefore, unfortunate that conchologists have seldom 
accurately described or figured the apex. The operculum, also, often affords good 
characters, in this genus. 
a 
