of the Fishery Board for Scotland. 
Clupea finta. 
harengus. 
See Shad, twaite. 
See Herring. 
pilchardus. See Pilchard, sardine. 
sprattus. See Sprat. 
Clupeoids, structure of, (5) 257. 
Clyde mussel-beds, (10) 17, 194. 
Clymene amphistoma, (15) 158. 
gracilis, (15) 158. 
Clypeoniscus hansent, (14) 165. 
Coal-fish, green-cod or saithe (Gadus 
virens), (18) 283 ; (21) 59. 
anatomical differences of, from cod 
and pollack, (20) 250. 
comparison between, and cod and 
pollack, (20) 228, 244. 
development of, (12) 19. 
distribution of, (21) 59. 
esti : & 
— distribution of adult and immature, 
(8) 176. 
distribution of eggs of, (15) 243. 
eggs of, (10) 287; (11) 242; (14) 171; 
(16) 91, 114. 
eggs of, in Firth of Clyde, (15) 249 ; 
(17) 82, 83, 84, 93, 96, 103, 106. 
fecundity of, (9) 257. 
food of, (20) 313, 487, 517; (2 
food of young of, (5) 327; (8) 
—— habitat of young of, (5) 326 ; 
—— in Loch Fyne, (4) 233; (15) 
—— mature and immature, (8) 1 
migrations of, (21) 60. 
— osteology of, (20) 228, 251. 
—— parasites of, (18) 180. 
—— post-larval forms of, (7) 307. 
—— sexual proportions of, (10) 239. 
—— spawning areas of, (15) 243. 
a in Dornoch Firth, (23) 20. 
——- —— period of, (4) 247; (7) 195; 
(8) 268 ; (10) 232 ; (15) 243; (17) 97. 
specific description of, (20) 248. 
specimens of, stranded on beach, (4) 
209. 
tumour on stomach of, (13) 236. 
Cobbler. See Scorpion, sea-. 
Cocconeis pediculus, (9) 274. 
scutellum, (9) 274. 
Cochlodesma pretenue, (15) 129. 
Cockle-beds of Barra, (8) 211. 
Cockle as bait, (7) 328, 352, 356. 
and its habits, (8) 212. 
Cockles, (8) 19, 215. 
Cod (Gadus callarias), (18) 282 ; (21) 54. 
age of, (19) 228. 
anatomical differences from coal-fish 
and pollack, (20) 250. 
—— artificial fertilisation of eggs of, (3) 
Bo: 
carbo-hydrates in liver of, (2) 39. 
comparison between, and coal-fish 
and pollack, (20) 228, 244. 
composition of, (5) 228. 
cystic tumour in head of, (4) 215. 
—— digestibility of, (5) 228. 
digestion in, (2) 39. 
distribution of, at various stages, 
(21) 54. 
—— distribution of adults and immature, 
(8) 173. 
—— distribution of eggs of, in Firth of 
Clyde, (15) 249. 
187 
Cod dried, in Spain, (10) 170. 
—— eggs of, (3) 53 ; (7) 305; (8) 284; (15) 
249 ; (16) 91, 114, 115; (17) 82-84, 93, 
96, 103, 106. - 
—— —— Sars’ discovery that they float, 
(16) 88. 
in Firth of Forth, (15) 221. 
—— fecundity of, (9) 254. 
fishery at Iceland, (13) 346. 
—— —_— at Lofotens, (13) 339, 
--._— —— in Newfoundland, decline of, 
(13) 336. 
—-— feeding on herring, (4) 135. 
—— feeding on herring-eggs, (4) 135. 
—-— food of, (4) 184; (7) 227, 234, 235, 
237, 239, 240, 247, 257; (8) 231, 239, 
249, 250, 251, 253, 254, 255, 256; (9) 
235, 237 ; (10) 215, 224; (20) 307, 308, 
312, 313, 486, 505. 
—— food of, seasonal change in, (4) 135. 
—— food of young of, (5) 326 ; (8) 254. 
—— fungoid growths on preserved, (6) 
204. 
—— growth of, in tanks, (5) 235; (7) 
404 ; (19) 228. 
—-— growth, rate of, (5) 243: (11) 195; 
(15) 176; (19) 154, 214; (23) 128, 1380, 
137. 
—— habitat of larve, (15) 194. 
—— habitat of young of, (5) 326, (15) 
194. 
—— hatching of eggs of, (2) 47; (13) 9, 
123. 
—— hatching of, in America, (3) 84; (9) 
401; (12) 394; (13) 337. 
—-— hatching of, in Newfoundland, (8) 
365 ; (9) 398 ; (13) 335. 
—— hatching of, in Norway, (5) 235; 
(6) 305 ; (8) 3745; (12) 398; (13) 339; 
(17) 208. 
—— hermaphroditism in, (13) 297. 
——- influence of temperature on hatching 
of, (5) 242. 
influence of temperature on growth 
of, (22) 159, 164, 170. 
—— life-history of, (15) 194. 
lines of growth in otoliths of, (23) 
128. 
lines of growth in scales of, (23) 130. 
—— mature and immature, (8) 173. 
—— migrations of, (11) 189; (15) 375. 
—— migrations of, in relation to food, 
(4) 135. 
—— minimum size at maturity, (8) 161, 
162, 163. 
—— nature of ‘‘ red,” (6) 204. 
—— observations on spawning of, in 
tanks, (3) 52. 
—— osteology of, (20) 228, 251. 
-_— parasites of, (18) 180, 181 ; (19) 121, 
149; (23) 108. 
—— post-larval, (7) 307. 
—— proportion of immature, landed by 
trawlers, (22) 19. 
—-— proportion of males to females, (8) 
9. 
—— rearing of, (7) 404. 
relation of length to weight, (22) 
144, 148, 229. 
—— sexual proportions of, (10) 239. 
