of the Fishery Board for Scotland. 
Gurnard, Lanthorn (Vvrigla obscura), 
spawning period of, (4) 244. 
red or cuckoo (7’rigla cuculus), (4) 
206 ; (18) 275. 
eggs of, (16) 114, 115; (17) 93. 
—— —— food of, (20) 487, 489. 
——— —— on Hast Coast, (20) 540. 
—— —— parasites of, (19) 143. 
—— —— spawning period of, (4) 244. 
—— Sapphirine (7'rigla hirundo), (2) 80; 
(4) 206 ; (18) 276; (19) 143. 
food of, (20) 487, 489. 
—— —— parasites of, (20) 299. 
-— —— spawning period of, (4) 244. 
— streaked (Vrigla lineata), (4) 232; 
(15) 110; (18) 275. 
—— parasites of, (19) 133, 143 ; (23) 
115. 
spawning period of, (4) 244. 
Gut-poke in herring, (4) 49. 
Gymnachirus, (18) 359. 
Jasciatus, (18) 358. 
Gymnomera, (11) 234. 
Gypsina inherens, (15) 167. 
H 
Happock (Gadus wglefinus), abundance 
of small, (18) 282 ; (21) 32. 
—— age of, at maturity, (19) 214; (20) 
410. r 
—— arrangement of muscles in, (4) 168. 
average size at, maturity, (22) 153. 
—— digestibility of, (5) 228. 
digestion in, (2) 40. 
dispersal of, after spawning, (21) 
’ Ds 
—— distribution of adult and immature, 
(8) 174. 
—— distribution of eggs of, (15) 224. 
duration of development of, accord- 
ing to temperature, (19) 211. 
eggs of, (7) 306; (8) 284; (16) 91, 
114, 115 ; (17) 82-84, 93, 96, 103, 106. 
— eggs of, in Firth of Clyde, (15) 249. | 
20 
= 
—— fecundity of, (9) 255. 
—— feeding on fish-eggs, (4) 133. | 
— feeding on herring-eggs, (4) 133. | 
—— food of, (4) 128; (6) 225, 230; (7) | 
229; 233; &c.; (8) 231, 241, &e. ; (9)| 
299, 235-242 ; (10) 216, 226, 231; (20) | 
306, 486, &e. | 
growth of, (5) 48, 240; (15) 198, | 
199 ; (19) 154, 190; (20) 334, 401. 
habitat of young of, (15) 196. 
—— habits of young, (4) 208. 
— hatching of, in U.S.A., (13) 339. 
—-~ hermaphroditism in, (9) 352. 
intraovarian eggs of, (16) 96. | 
large old specimens of, inshore, (21) 
35. 
— large specimen of, (6) 265. 
—— larval and post-larval stages of, (19) 
yA) ie 
life-history of, (15) 194. 
—— mature and immature, (8) 174. | 
—— mental activity of, compared with | 
whitings and codlings, (22) 163. | 
—— minimum size at maturity, (8) 161, | 
162, 163. 
209 
Haddock, on deep-water grounds, (19) 
289. 
parasites of, (18) 177; (19) 121, 135; 
(23) 108. 
pelagic habit of young, (20) 401. 
proportion of immature, landed by 
trawlers, (22) 19. 
proportion of males to females, (8) 
349 ; (10) 239. 
proposals for hatching of, (5) 240. 
relation of length to weight, (22) 
144, 145, 226, 241. 
rises from bottom after spawning, 
(19) 289. 
-—— sand-eel embedded in liver of, (3) 70. 
scarcity of very small, on bottom, 
(19) 289. 
sexual proportions of, (10) 239. 
size at first maturity, (10) 238 ; (19) 
2138. 
sizes of, (14) 144. 
size-limit between mature and im- 
mature, (22) 18. 
/—— spawning period of, (4) 246; (7) 
193 ; (S) 265; (10) 282, 234 ; (17) 97 ; 
(19) 211; (21) 20, 21, 28. 
tumour on, (10) 323. 
young, different habitat from young 
cod and whiting, (8) 174. 
Norway or Bergylt, (Sebastes nor- 
vegicus), (4) 222; (19) 288; (22) 20, 
QE 230 23.029) 
food of, (20) 489; (21) 218. 
spawning period of, (4) 244. 
Haddon, Professor A. C., (6) 281; (7) 
387. 
Haeckel, Professor, on plankton investi- 
gations, (9) 407. 
Hemobaphes ambiguus, (18) 
298. 
cyclopterina, (9) 310 ; (18) 162; (20) 
298. 
Hemopsis vorax, (9) 275. 
162; (20) 
| Hagfish (Myxine glutinosa), (8) 177, 379 ; 
(18) 293. 
caught on lines, (3) 66. 
| —— eggs of, (3) 66. 
— food of, (8) 255. 
—— mature and immature, (8) 177. 
— reproductive organs of, (3) 66. 
spawning of, (8) 269. 
structure of tail of, (4) 211. 
Hake (Merluccius vulgaris), (10) 262; 
(15) 111 ; (18) 283 ; (21) 62. 
caseous tumours in muscles of, (3) 
in eraGs 
—— distribution of, (21) 62. 
| —— eggs of, (17) 93. 
— food of, (7) 240. 
——— mature and immature, (8) 177. 
—~—— parasite of, (18) 166, 175, 178; (19) 
135, 148. 
spawning period of, (4) 248 ; (7) 195. 
young of, (8) 177; (21) 63. 
Halecium muricatum, (15) 164. 
Halia trispinosa, (6) 2538. 
Halibut (Hippoglosus vulgaris), (8) 265 ; 
(15) 112 ; (18) 284, 352 ; (21) 53. 
— composition of, (5) 228. 
= 
| —- digestibility of, (5) 228. 
