BRITISH MOLLUSCA. 
129 
Peigne operculaire, Chenu, Traite Elem. 101. t. 339. 
Pecten Macgillivrai, Edmonston, Ann. fy Mag. N. H. xv. 250 
(worn shell, fide Jeffreys, Forbes Sf Hanley, l. c. ii. 302). 
List. Any. t. 5. f. 30; Conch, t. 190. f. 27, 28; Knorr, Helices 
des Yeux, pt. v. t. 28. f. 4. 
a — m, red-coloured, various. Britain, 
n, o, ditto. Ditto. 
p — r, ditto. Ditto. 
s — u, ditto. Ditto. 
v — y, ditto. Ditto. 
z — b b, ditto. Ditto. 
c c — -ff, orange-coloured. Ditto. 
g g,hh, ditto. Ditto. 
i i, j j, straw-coloured . Ditto . 
k k — p p, rayed. Ditto. 
q q — u u, light-coloured. Ditto. 
v v, ww, white. Ditto. 
x x — h h h (Pecten lineatus). Ditto. 
Hi (ditto). Falmouth. Presented by W. P. Cocks, Esq. 
2. Argus varius. 
Ostrea varia, Linn. S. N. ed. 12. 1146 ; Pulteney Hutch. Dors. 36; 
Donov. B. S. i. t. 1. f. 1; Mat. fy Rack. Linn. Trans, viii. 97 ; 
Dorset Cat. 38. t. 10. f. 1, 2, 4, 5, 7, 9; Turt. Conch. Diet. 
130 ; Born, Mus. Cces. 104 ; Poll, Test. Sic. ii. 163. t. 28. f. 10; 
Dillw. Rec. Shells, i. 260 ; Mawe, Conchol. t. 14. f. 4 ; Ind. 
Test. 1. 10. f. 31. 
Pecten varius, Chemn. Conch. Cab. vii. 331. t. 66. f. 633, 634; 
Mont. T. B. 146 ; Penn. B. Z. ed. 4. iv. 86. t. 61. f. 64 ; Turt . 
B. Biv. 214 ; Brit. Faun. 162. no. 294 ; Flem. B. An. 384 ; 
Macgilliv. Moll. Aberd. 224 ; Thorpe, Brit. Mar. Conch. 118 ; 
Lamk. Hist. 2nd ed. vii. 147 ; Crouch, Intr. Conch, t. 12. f.4; 
Sow. Conch. Man. f. 171 ; Philippi, Moll. Sic. i. 84 & ii. 58; 
Sow. Thes. Conch, i. 76. 1. 19. f. 214-218 ; Hanley, Rec. Shells, 
i. 285. 1. 10. f. 31; Loven, Ind. Moll. Sk. 30. 229; Forbes, M. 
G. S. i. 420. 79; Forbes fy Hanley, Brit. Moll. ii. 273. t. 50. f. 1. 
P. monotis. Da Costa, B. C. 151. t. 10. f. 1, 2, 4, 5, /, 9. 
Lister, Conch, t. 178. f. 17, 18; An. Ang. t. 4. f. 30; Knorr, 
Helices des Yeux, pt. v. t. 13. f. 2, pt. vi. t. 9. f. 4. 
a — f, dark-coloured. Britain. 
g — l, ditto. Ditto. 
m — t, red-coloured. Ditto. 
u — w, orange-coloured. Ditto. 
x, light pink. Ditto. 
y, dark pink. Ditto. 
z , jun. Falmouth. Presented by W. P. Cocks, Esq. 
