Spawning period of hagfish, (8) 269. 
of hake, (4) 248; (7) 195. 
of halibut, (4) 249; (7) 192; 
(8) 265; (10) 233. 
of herring, (4) 50, 51, 95, 253 ; 
(18) 253. 
—— —— of herring in Channel, (6) 299. 
—— —— of horse-mackerel, (4) 245. 
of John Dory, (4) 245. 
—— —— of lampern, (4) 254. 
of lanthorn gurnard, (4) 244. 
—— —— of larger sand-eel, (4) 249. 
of lemon dab, (4) 251 ; (7) 188, 
386 ; (8) 261; (10) 234, 370; (17) 98; 
(21) 48. 
—— —— of lesser sand-eel, (4) 249. 
—— —— of lesser weever, (4) 244; (21) 
70. 
—— —— of ling, (4) 248; (7) 195; (8) 
268 ; (10) 233; (15) 244, 370; (17) 99. 
—— —— of little sole, (7) 191; )17)99. 
of lobster, (23) 101. 
_ —— — of Loch Leven trout, (4) 252. 
of long rough dab, (4) 250; (7) 
191; (8) 264; (10) 284; (15) 370; (17) 
98. 
—— —— of lumpsucker, (7) 197. 
— —— of mackerel, (4) 245; )17) 98; 
(18) 327. 
—— —— of Norway pout, (19) 164. 
—— —— of Pagrus auratus, (4) 244. 
of Palinurus, (6) 299. 
—— —— of Pandalus, (6) 299. 
—— —— of perch, (4) 244. 
—— —— of pike, (4) 252. 
—— —— of pilchard, (4) 253. 
—— —— of plaice, (4) 250; (7) 187; (8) 
260 ; (10) 234; (15) 370; (19) 97; (20) 
338. 
—— —— of plaice, observations in large 
tank in hatchery, (22) 262. 
—— ——of plaice, relation 
temperature, (15) 249. 
—— —— of pollack, (4) 248; (7) 194; 
(8) 268 ; (17) 99; (20) 251. 
—— —— of pollan, (4) 252. 
—— —— of poor-cod, (17) 98. 
—— — — of red gurnard, (4) 244. 
—— —— of red mullet, (4) 244. 
—— —— of rockling, (17) 99. 
—— —— of Salmo fario, (4) 252. 
—— —— of Salmo fontinalis, (4) 252. 
= —__ of salmon, (4), 252. 
—— —— of sand-smelt, (4) 245. 
—— —— of sardine, (8) 372. 
of sea-lamprey, (4) 254. 
—— —— of sea-scorpion, (4) 244. 
—— —— of sea-trout, (4) 252. 
—— — of Serranus cabrilla, (4) 244. 
—— —— of Serranus gigas, (4) 244. 
—— —— of sharp-tailed Lumpenus, (19) 
287 ; (22) 208. 
i of short-finned tunny, (4) 245. 
—— —— of shrimp, (6) 299; )9) 406. 
—— —— of smelt, (4) 252. 
= === Of PSolenn(4)) Zol sti macosis) 
265 ; (9) 390. 
—-—- —— of sole at Marseilles, (8) 372. 
~~ -— --— of sprat, (4) 253 ; (15) 234, 370; 
(21) 673 (22) 172. 
of, to 
Part I11.— Twenty-third Annual Report 
Spawning period of stone bass, (4) 244. 
—— —-—- of streaked gurnard, (4) 244. 
—— —— of sturgeon, (4) 254. 
—— —— of surmullet, (4) 244. 
—— —— of turbot, (4)250'; (7) 192 (8) 
264 : (10) 233, 234; (15) 242, 3703 (17) 
98. 
—— —— of tusk, (4) 249; (7) 197; (9) 
259 ; (10) 233. 
--— —w— of twaite shad, (4) 253. 
of vendace, (4) 252. 
—— —— of viviparous blenny, (4) 245. 
—— —— of whiting, (4) 247; (7) 194; 
(8) 267; (10) 233, 234; (15) 370; (17) 
97; (19) 185. 
—— —— of witch, (4) 251; (7) 190; (8) 
263 ; (10) 234; (17) 99; (22) 186. 
—— —— of Zeugopterus punctatus, (4) 
250. 
—— —— of Zeugopterus unimaculatus, 
(4) 250. 
relation of duration of, to num- 
ber of eggs, (16) 124. 
relative intensity of spawning 
at different times of, (17) 99. 
—— and spawning places of marine food- 
fishes, (7) 171, 182; (8) 13, 257, 258; 
(10) 232. 
—— —— of angler, (8) 269. 
—— —— of bib, (8) 268. 
—— —— of cat-fish, (8) 269. 
—— —— of coal-fish, (7) 195; (8) 268; 
(15) 243. 
——- —of cod, (7) 195; (8) 266; (15) 
194; (23) 252. 
—— —— of common dab, (7) 190; (8) 
262 ; (15) 238. 
--— —~— of fishes, (7) 4; (8) 258; (10) 
31, 32, 235; (14) 12. i 
—— —— of flounder, (7) 190; (8) 263; 
(15) 232; (21) 44. 
of food - fishes, 
determining, (8) 258. 
—— —-— of food-fishes, old ideas on, (8) 
164. 
conditions 
of gemmeous dragonet, (8) 269. 
—— —— of grey gurnard, (7) 196; (8) 
268 ; (15) 241 ; (17) 222. 
—— —— of haddock, (7) 193); (8) 265. 
——— == OMbakem (7) Moo: 
—-— -——— of halibut, ('7)/1927;. (8)!26a: 
—— —— of herring, (17) 279. 
—— —— of lemon dab, (7) 189; (8) 261. 
of ling, (7) 195; (8) 268. 
—— —— of little sole; (7) 191. 
of long rough dab, (7) 191; (8) 
264. 
—— —-—- of lumpsucker, (8) 269. 
—— —— of plaice, (7) 187; (8) 259, 260. 
—— —— of pollack, (7) 194. 
—— -—— of sprat, (15) 235; (21) 67; 
(22) 172, 176. 
—— ——- of turbot, (7) 192; (8) 265. 
—— —— of whiting, (7) 194; (8) 267 
(15) 227. 
of witch, (7) 190; (8) 263. 
— relation of bottom to, (8) 258. 
—— -pond, (21) 181. 
—-— process, duration of, in individual 
fishes, (17) 227. 
