76 Myr. J. Gwyn Jeffreys on Mediterranean Mollusca. 
se eto eret "ees Ph. i. 186, and ii. 157 (Monodonta 
Jussi M 0 f 
€. smallest Gm. Ph. i. 186 (Monodonta Coutourii), and ii. 
157. Med. 
Craspedotus limbatus, Ph. ii, 157, t. 25. f. 19: B: C; ve204. 
Med. 40 £.; Æg. 100-250 f.; P. 155 £.; ' Mediterranean 
cable , 1100 f. (A. Milne-Edw ards). 
Phasianella pulla, Li, s tenuis. B.C. im. 338, and v. 204, 
1.64. f. Í. Med. 4 | 
JP. speciosa, v S. Mithlield, ` Ph. i. 188 (P. Vieuxit), and ii. 158. 
5 
D 
ed. 40 f. 
Turbo rugosus, L. Ph. i. 173, and ii. 151 (Trochus). Med. 
40 f. 
T. sanguineus, L. Ph. i. 179, and ii. 151 (Trochus). Med. 
30-100 f. 
Fossarus costatus, Brocchi. Ph. ii. 148, t. 25. £5 (F. cla- 
thratus). Med. 60 f. 
F. Petitianus, Tiberi, Journ. de Conch. a 179. Med. 
40 f. 
Hela*, gen. nov. 
SHELL shaped like that of Lacuna, pes a similar oper- 
culum; but it has no epidermis. The apex is truncated or 
flattened, and instead of an umbilical dd or groove, there 
is merely a narrow chink. The tentacles are ciliated, as in 
Trochus and Rissoa. 
H. Are Jeffr. B. C. v. 204, pl. 101. f. 7 (Lacuna). Med. 
310 f£. ; Pp. 420-862 f 
Rissoa cancellata, DaC. B.C. iv . 8, and v. 207, pl. 66. f. 3. 
Med. 40-100 f. "This and many of the followi ing species of 
Rissoa were probably drifted out to sea by the tide and 
curren 
It. Oceani, D D ee = R. crenulata, var. minor, Ph. 11. 126. 
Med 
R. calathus, Nd & Hanley. B. C; iv. 11, and vi: 207, 
pl. 66. f. '4. Med. 40-60 £ 
Hi. reticulata, Mont. B. C. iv. 12, and v. 207, pl. 66. f. 5. 
Med. 40-100 f. 
R. depre Forb. B.C. iv. 14, and v. p pl. 66. f. 6. 
Med. 40-310 f. ; Æg. 100-250 f. ; P. 90-4 
R. punctura, Mont. B.C. iv. 17, and v. 207, pl. 66. f. 8. 
Med. 30-100 f. ; Æg. 130 f. ; P. 25-33 f. 
R. scabra, Ph. ii. 126, t. 23. d 8; and var. major. Med.40f. 
H. am Forb. B. C. . 19, and v. 207, pl. 66. f. 9. 
e Scandinavian Maio. See Gray's ‘Descent of Odin: 
d Hela’s dread abode,’ 
