of the Fishery Board for Scotland. 
343 
INDEX. 
ABERDEEN Bay: Trawling investigations | 
in, 25. 
Acartia bifilosa, 277. 
Age of Herring, 293. 
— Brill at maturity, 209. 
—— Herring at maturity, 332, 336. 
—— Lemon Dab at maturity, 196. 
Turbot at maturity, 203. 
Ameira longicaudata, 277. 
Amphiascus Cutherine, 275. 
—— minutus, 275. 
Angler (Lophius piscatorius): Otoliths 
of, 57. 
Argentine (Argentina sphyraena): Oto- 
liths of, 76. 
Batian Wrasse (Labrus berygylta): Oto- 
liths of, 61. 
Beatricella mumica, 277. 
Bib: see Brassy. 
Black Sole (Solea vulgaris) : Otoliths of, 
75. 
Blue-mouth  (Scorpena 
Otoliths of, 55. 
Brassy (Gadus luscus) : Otoliths of, 63. 
Reproduction of, 130. 
—— Ripe eggs of, 131. 
Specific characters of, 116, 133. 
Brill (Rhombus levis): Age of, at ma- 
turity, 209. 
Growth of, 203. 
eee (Pholis gunnellus) : Otoliths 
of, 59. 
dactyloptera) : 
Canthocamptus parvus, 277. 
Canuella perplexa, 277. 
Cat-fish (Anarrhichas lupus) : Otoliths of, 
59. 
Cletodes stinilis, 277. 
Coal-fish (Gadus virens) : Otoliths of, 65. 
Cod (Gadus callarias) : Otoliths of, 61. 
— Growth of, 209. 
— Growth of, at Iceland, 211. 
Hermaphroditism in, 290. 
Commercial trawlers; Employment of, 
17. 
Composition of Herring, 83. 
of muscles and ovaries in Herrings, 
99 
—— of muscles and testes in Herring, 
100. 
Conger (Conger niger) : Otoliths of, 79. 
Copepoda: Rare, from Scottish seas, 275. 
Couch’s Whiting (@adus poutassou) : Oto- 
liths of, 64. 
Cunningham, Mr. J. T., on growth of 
Herring, 298, 
Das, Common (Plewronectes limanda) : 
Otoliths of, 74. 
Growth of, 189. 
Dactylopusia brevicornis, 276, 277. 
Jinmarchicus, 277. 
vulgaris, 277. 
Description of new fish-hatchery, 108. 
Differences between male and female 
Lumpsuckers, 170. 
Diosaccus propinquus, 278. 
tenwicornis, 279. 
Dragonet (Callionymus lyra); Otoliths 
of, 58. 
—— Spotted (Callionymus maculatus) : 
Otoliths of, 58. 
Duration of embryonic development in 
the Herring, 303. 
EARSTONES : see Otoliths. 
Ectinosoma curticorne, 277. 
Eel, Common (Anguilla vulgaris) : Oto- 
liths of, 79. 
Eggs of Lumpsucker : Paternal guardian- 
ship of, 169. 
Enhydrosoma incurvatum, 277. 
Huryte longicauda, 277. 
Fat: Utility of storage of, in fishes, 181. 
Fish-hatchery : Description of, 108. 
Fishes: Rate of growth of, 179. 
Utility of storage of fat in, 181. 
Fecundity of Plaice, 281. 
Flounder (Pleuronectes jflesus): Otoliths 
of, 73. 
Growth of, 191, 
Food value of Herring, 83. 
Four-bearded Rockling (Onos cimbrius) : 
Otoliths of, 67. 
GADID species: Key to diagnosis of, 138. 
Gadus esmarkii : see Norway Pout. 
—— luscus: see Brassy. 
minutus : see Poor-cod. 
Goby, Black (Gobius niger) : Otoliths of, 
58 
a Speckled (Gobius minutus) : Otoliths 
of, 58. 
Greater Fork-beard (Phycis blennotdes) : 
Otoliths of, 66. 
—— Weaver (7’rachinus draco) : Otoliths 
of, 57. 
Grey Gurnard (Vrigla gurnardus) : Oto- 
liths of, 55. 
—— Growth of, 232. 
Relation of temperature to migra- 
tions of, 236. 
Growth of fishes, 179. 
