74  Mr.J. Gwyn J effreys on Mediterranean Mollusea. 
. lium coarctatum, Ph. (but not of Lamarck, Brocchi, or 
: Deshayes, which is a species of Cadulus) = D. bifissum, 
S. Wood. 
Cadulus ka mis, Sars. . B. C. v. 196, y ifa: 
Med. 50-100 f. ; Æg. 100-250 f. ; P. 114-1180 f. 
Siphonodentalium lofotense, Sars. B.C. v. v pl. 101. £. 2. 
Ted. 50 Aig. 130-250 £.; P. 30-1180 f. 
S. quinquangulare, Forb. B. A. Rep. 1543, 188. Med. 50—-310f.; 
Æg. 130-250 f. ; P. 40-725 f. S. pentagonum, Sars. 
Dentalium Pala L.; and var. novemeostata. Ph. i. 243, 
and ii. ; B. C. iii. 196, 197, and v. 197. Med. 30- 
100 f. ; Mari. 20 f. 
D. aby pene Sars, var. agilis. B. C. iii. 197, and v. 197, 
pl. 101. f£. 1. Med. 310 f. ; P. 45-1476 f.. D. incertum, Ph. 
(not Desh.) =D. striatum, Sc. (not Lam.) =D. agile, Sars. 
D. tarentinum, Lam. B. C. iii. 195, and v. 197, pl. 55. f. 2. 
Med. 40 f. 
D. gracile**, J effr 
SHELL erorii narrow and slender, gently curved, 
thin, nearly transparent, and glossy: sculpture, slight con- 
centric lines of growth, which are scarcely perceptible : co- 
r clear white : margin at the anterior end more or less 
jagged, owing to its excessive tenuity and fragility ; at the 
posterior end truncated, with an internal pipe, and slightly 
notched ; in the fry this latter bed has a pear-shaped and 
perfor ated point. 
Med. 310 f.; Æg. ` 100- 250 f. ; ve (M‘Andrew). 
Mr. M‘ Andrew tells me that the animal was of a greenish 
colour. Not D. filum of G. B. Sowerby, jun., from the 
Philippine Islands, in the late Mr. Cuming’s collection, nor 
the young of D. rubescens. The present species is more 
regularly inc. sese d nearly equal in breadth 
throughout. It is curved, | shows that it is adult, 
the very iie of all pelos p Destin being almost 
straight. j 
GASTROPODA. 
Chien n feces L. B.C. iti. 211, and y, 197, pl. 55. f. 3. 
d 50-100 f.; P. 10 f. Of this and the following three 
pec sehen aus STU 5 the Mediterranean dredgings. 
C. SUR ray. DA | squamosus), and 
i. 82; B. C. v . 199. "Med. 50—100 f. 
C. Poli Ph 106, and ii. 88. Med. 50-10 
C. variegatus, Ph. i. 107, and ii. 83, t. 19. f. et "Med. 40 f... 
* Slender. - 
RUM T TICINS ht Fab TER Sue TEE 
La RT P ESEI W, 
Fe i e us M DER OP NE S NEVEN cua. CERE 
