a 
886 . New Species of I saehusetts Shells. 
spect to George B. Emerson, Esq., President of this 
iety. 
CERITHIUM NIGROCINOTUM. 
Plate IV., fig. 11. 
C. testa parvulà, conico-cylindracá, granulosà, nigro-rubrà ; an- 
fractibus tredecim, sinistrorsum. volventibus; spirà elongatà, 'acutà ; * 
suturà subduplicatà ; apertura subelliptica, parva; -eauda rec urvata. At 
Description. Shell blackish red, coniesoylindtical, ý 
with three revolving series of granules; them i 
equally distant from the others, and, on the w M Is of : 
the lower half of the shell, of equal size, but di mini hi : “ d 
above, and wanting on the upper fifth ; the upper row 
less than the lower one on the whorls of the Moro 
or fifth part of the shell, and is wanting upon several of 4^ T 
the first whorls ; the lower series is also wanting i 
the extreme E whorls, but, in descending rte ji 
apex, appears before the others ; the granules are form: 
by the revolution of two impressed lines across numero 
longitudinal ribs or ruge ; spire elongate, very a. , 
whorls about thirteen ; suture rather broad, mer, * 
divided by a revolving somewhat. granulotis black ridge, | 
which in the progress of growth gradua il NU 
situation, and forms the lower side of the- ^ an ne F 
and another similar revolving ridge anata 
an n impressed line upon each el d 
Mo as the á 
Length, .3 inch ; breadth 08 inch. 
