68 | GENUS BUCCINUM. 
68. BUCCINUM OLIVIFORME, Nosis. The Olive-formed Buc- 
cinum. 
(Collect. Mass.) 
Pl. XXV, fig. 99. 
B. testa ovoida, subgranulosd, crassiusculd, olivacea ; spird altiuscula, 
longitudinaliter exilibus, transversim multiplicibus striis ornata ; aperturd 
ovata, ints cerulescente ; labro dextro levi, tenui, intis striato. 
Shell ovoid, subgranular, somewhat globular, not very thick, 
spire moderately raised, composed of six rounded whirls, 
furnished with longitudinal strie, slightly marked and crossed 
by numerous transverse strie; suture indistinct. Aperture 
ovate, of a bluish gray within, and somewhat truncated at the 
base, which is slightly emarginated: right lip smooth, thin, 
delicately striated internally. Columella smooth, somewhat 
excavated. This shell is of an uniform olive color; the 
distribution of the strie which cover it, is constantly the 
same. 
Length 10 lines. Width 5 lines. 
Inhabits North America.* 
This shell was brought from New York, without its precise 
locality being pointed out. The texture of the shell, and the 
upper whirls, which are often carious, would indicate that this 
species inhabits fresh water, like the Melanopsides. 
4 Wood, in the Supplement to his Index, published in 1828, figures 
this species, plate 4, as the Buccinum /Voveboracensis. A very accurate 
description of this shell, which abounds in brackish water along our whole 
northern coast, at least, together with the organization and habits of its 
inhabitant, was read by the lamented Thomas Say, before the Academy of 
Natural Sciences of Philadelphia, in 1821, and published in their Journal 
the following year, under the name of Nassa obsoleta—this name will 
undoubtedly be retained by the American Conchologist. The transverse 
strie are constant, but the longitudinal strie are usually wanting, and 
are often replaced by folds running the whole length of the shell, re- 
sembling in these respects B.'wndatum, Kiener’s description applies to 
the young shell.—Tr. 
