344 Part III. —Twenty-fourth Annual Report 
Growth of fishes: A law of growth in 
relation to maturity, 182. 
Influence of external conditions on, 
181. 
— Influence of temperature upon, 182. 
—— Modification of, in deeper parts of 
North Sea, 182. 
of Brill, 203. 
of Cod, 209. 
—— of Cod at Iceland, 211. 
— of Common Dab, 189. 
— of Flounder, 191. 
— of Grey Gurnard, 232. 
of Haddock, 226. 
of Herring, 293. 
of Herring: Various opinions on, 
293, 294, 295. 
of Herring, male and female, 332. 
of Herring in larval and post-larval 
stages, 308. 
of Herring : Conclusions as to, 334. 
—— of Herring, spring and autumn, 334. 
of Lemon Dab, 192. 
of Long Rough Dab, 196. 
of Plaice, 184. 
of Turbot, 199. 
of Whiting, 229. 
Happock (Gadus cglefinus): Otoliths 
of, 62. 
Great catches of small, 29, 31. 
Growth of, 226. 
Hake (Merlucius vulgaris) ; Otoliths of, 
66. 
Halibut (Hippoglossus vulgaris): Otoliths 
of, 69. 
Halicyclops equoreus : 277. 
Harpacticus obscurus : 277. 
Hatchery, Bay of Nigg, Aberdeen: 
Report on operations at, 108. 
Hatching of Plaice, 110. 
of eggs of Lumpsucker, 177. 
Helmsdale Herring: Chemical composi- 
tion of, 93. 
Hermaphroditism in Cod, 290. 
Herring (Clupea harengus): Age of, at 
maturity, 332, 336. 
A criticism of Dr. Meyer’s obser- 
vations on growth of, 303. 
--—- Chemical analyses of, 83. 
—— Chemical composition of Helmsdale, 
93. 
Chemical composition of Lochbois- 
dale, 95. 
Chemical composition of Lochfyne, 
86, 104. 
Composition of muscles and ovaries 
in, 99. 
Composition of muscles and testes, 
100. 
Conclusions as to growth of, 334. 
Duration of embryonic development 
in, 303. 
External differences from Sprat, 
167. 
— Food value of, 83. 
—— Growth and age of, 298. 
Growth ot, in larval and post-larval 
stages, 308. 
—— Growth and age of, 293. 
Herring, Growth of males and females, 
332. 
Growth of spring and autumn fish, 
334. 
Maximum size attained by, 301. 
—— Notes on natural history of, 165. 
—— Numbers taken in Sprat fishery, 
161. 
— Nutritive value of, at different 
periods, 83. 
-— Nutritive value of spent, 103. 
—— Otoliths of, 77. 
—— Proportions of sexes of, 332. 
Relation of temperature to growth 
of, 306. 
Relation of temperature to spawn- 
ing periods of, 303. 
Size of, at maturity, 299, 232. 
—— Spawning periods of, 302. 
— Variation of fat in, 101. 
— Variation of fat in ovaries of, 102. 
—— Variation of proteids in, 101, 
Idya furcata, 277. 
—— gracilis, 277. 
minor, 278. 
Immature fish caught by trawl, 29, 31. 
Influence of external conditions on 
growth of fishes, 181. 
Jaco’s Goldsinny (Labrus rupestris) : 
Otoliths of, 61. 
Jenkins, Dr. Travis, on growth of Her- 
ring, 298, 307. : 
Laophonte curticauda, 278. 
—— yracilis, 278. 
hispida, 278. 
tnopinata, 278. 
intermedia, 278. 
—— littorale, 278. 
—— longiremis, 278. 
thoracica, 278. 
Lemon Dab (Plewronectes microcephalus) : 
Age at maturity, 196. 
— Growth of, 192. 
Otoliths of, 73. 
Lesser Fork-beard (Raniceps raninus): 
Otoliths of, 68. 
-— Sand-eel (Ammodytes tobianus) : 
Otoliths of, 69. 
Weaver (Trachinus vipera): Oto- 
liths of, 57. 
Ling (Molua molva): Otoliths of, 67. 
Lochboisdale Herring: Chemical com- 
position of, 95. 
Lochfyne Herring : Chemical composition 
of, 86, 104. 
Longipedia scoiti, 278. 
Long Rough Dab (Drepanopsetta plat- 
essoides): Otoliths of, 69. 
Growth of, 196. 
Lumpsucker (Cyclopterus/umpus) : Hatch- 
ing of eggs of, 177 
—— Habits of, 171. 
Differences between males and 
females, 170. 
Otoliths of, 59. 
