of the Fishery Board for Scotland. 
Whiting, size, minimum, at maturity, (8) 
161, 162, 163. 
size of, at first-maturity, (19) 189; 
(20) 339. 
sizes of, (14) 144. 
spawning areas of, (15) 227. 
spawning period of, (4) 247 ; (7) 194; 
(8) 267 ; (17) 97; (19) 185; (21) 20. 
—— vertical distribution of early stages 
of, (19) 187. 
—— young, caught in bag-net fishing for 
sprats, (23) 157. 
on deep-water grounds, (19) 
289. 
Couch’s (Gadus poutassou), (18) 283; 
(19) 284. 
occurrence of, in Firth of Forth, 
(20) 539. 
—— —— spawning period of, (4) 247. 
pout. See Bib. 
Widegren, (4) 102. 
Wigton Bay, occurrence of anchovy in, 
(23) 252. 
Williamson, Dr H. Chas., (11) 17, 265, 
490 ; (12) 19, 298, 322; (13) 14, 15, 192, 
258, 271; &c. 
Wilmot, Mr S., (9) 396; (10) 335; (11) 
493. 
Wilson, Dr John, (4) 218; (5) 247. 
Mr Peter, (4) 255. 
Wind, annual resultant of monthly means, 
(15) 356. 
effect of, in changing density of 
water in Loch Fyne, (15) 264. 
effect of, in changing temperature of 
water in Loch Fyne, (15) 264. 
effect of, on surface currents, (15) 
356. 
Winds, prevailing, in the North Sea, (15) 
360. 
Witch (Pleuronectes cynoglossus), (15) 112; 
(18) 286, 353 ; (21) 49. 
abundant in Moray Firth, (21) 49. 
age of, (22) 195. 
— distribution of, (21) 49. 
—— distribution of young of, (22) 190. 
duration of post-larval period, (22) 
270, 271. 
eggs of, (16) 91, 
83, 84, 93, 104. 
time taken by, to hatch, (22) 
114, 115; (17) 82, 
186. 
fecundity of, (9) 264. 
food of, (7) 226, 238, 239, 246; (8) 
231, 237, 250, 254; (9) 226, 238, 342; 
(10) 214, 223 ; (21) 223. 
—— growth of, (22) 186. 
mature and immature, (8) 172. 
—— post-larval, (22) 187. 
post-larval and early young stages 
of, (22) 270. 
post-larval and young, (22) 270. 
proportion of immature, landed by 
trawlers, (22) 19. 
proportion of sexes among, (8) 349; 
(22) 195. 
—— rarity of young, (21) 49. 
relation of length to weight, (22) 
144, 210. 
— sexual proportions of, (10) 239. 
249 
Witch, size-limit between mature and im- 
mature, (22) 18. 
size, minimum, at maturity, (8) 161, 
162, 163. 
size of, at maturity, (10) 238; (22) 
195. 
spawning period of, (4) 251 ; (7) 190; 
(8) 263 ; (10) 234; (17) 99; (22) 186. 
sole. See Witch. 
Wolf-fish. See Cat-fish. 
‘*Wonderkuil” fishery in Zuiderzee, (6) 
306 ; (8) 366. 
fishing-net, (8) 157. 
Wondyrchroum, ancient trawl-net, (8) 
BYE 
Wood’s Holl Station, U.S., Fish Com- 
mission, (6) 302. 
Woodall, Mr John, (12) 205. 
Woodhead, Professor G. Sims, (3) 76; 
(4) 176. 
Worms, parasitic, on fish, (19) 137. 
Wrasse, ballan (Labrus maculatus), (4) 
232; (15) 111; (18) 281. 
food of, (4) 210. 
larvee of, (5) 246. 
ova, fry, and nest of, (5) 245. 
—— —— parasites of, (19) 139; (23) 
109, 116. 
spawning period of, (4) 246. 
small-mouthed. See Centrolabrus 
exoletus. 
— rainbow (Coris julis), (18) 282. 
striped (Labrus mixtus), (4) 232; (15) 
111; (18) 281. 
food of, (21) 221. 
—— —— parasites of, (19) 127 ; (20) 291, 
293. 
xX 
Xantho hydrophilus, (18) 404. 
imcisus, (18) 404. 
Xanthocalanus borealis, (20) 449, 452. 
Xestoleberis aurantia, (7) 318; (15) 148. 
depressa, (6) 244; (15) 148. 
Niphichilus tenuissimus, (6) 245. 
Xylophaga dorsalis, (14) 158 ; (15) 128. 
Xystreurys, (18) 352, 356. 
Y 
YARRELL’s blenny. See Blenny. 
Yolk of teleostean eggs, chemical com- 
position of, (16) 136. 
of teleostean eggs, physical charac- 
ters of, (16) 136. 
See Eggs. 
Young fishes, destruction of, by sprat 
and sparling fishermen, (23) 156. 
—— lobsters, food of, (23) 69, 70. 
—— —— vitality of, (23) 67. 
Z 
Zaus goodsiri, (8) 319; (16) 269 ; (19) 250. 
oralis, (8) 319. 
spinatus, (4) 153; (6) 241; (15) 152; 
(16) 258, 260. 
Zeus faber. See John Dory. 
