216 



INDEX 



Garetang, W., 7, 44, 45. 48. 49. 50, 55, 



80, 85, 184. 

 Gastropods (snails), 15, 25, 160, 194. 

 Germany, fear of, 50. 

 German cod researches, 94. 

 Goldseeker, S.S., 94. 

 Goode, Browne, 184. 

 Gourret, P., 75, 117, 133. 

 Gran, H. H., on copepods, 193. 

 Green, Neal, 50. 

 Greenland halibut, 105. 

 Grimsby, 32, 53, 65, 70, 71, 76, 88, 99, 



103, 128, 138, 144, 152, 180. 

 Grounds, fishing : see Fishing-grounds. 

 Gurnard, 14, 118, 199, 206. 



Haddock, 14, 76-86, 114, 119, 199, 

 205. 

 catch of, 76, 77, 

 decline in catch (1906-13), 80. 

 disappearance (1789), 77, 78. 

 disappearance from Cornwall ( 1 870), 



78. 

 eggs, 78, 207. 

 fluctuations governed by same 



factors as cod and herring, 16. 

 fluctuations in catch, 81. 

 life-history, 78, 79, 80, 83, 84-6. 

 revival (1919-20), 82, 205. 

 1902, 1903, ' bad spawning years ', 



85. 

 1904, a ' good spawning vear ', 85. 

 Hake, 14, 108-27, 199, 206> 

 catch of, 108. 109, 110. 111. 

 eggs, 124, 207. 



fluctuations, 109, 110, 111, 205. 

 larvae, 125, 126; their food. 125 

 life-history, 122-7. 

 migrations, 114, 115. 

 ' mushiness ', 118, 119. 

 North Sea, 113. 

 Halibut, 14, 36, 103-7, 199, 205. 

 catch of, 103, 104.' 

 earstones, 105, 106. 

 eggs, 105, 206. 

 growth of, 106. 

 life -history, 104-7. 

 Hammam, M., 59. 

 Hartlepool, 77, 88, 144, 153. 

 Hatcheries, Sea-fi.sh 



information furnished from, 



cod eggs (Woodshole, U.S.A.), 89, 



90, 97, 98, 207 ; 

 haddock eggs (Boothbay, U.S.A.), 



79, 207 ; 

 herring eggs (U.S.A.), 156, 207 ; 

 mackerel eggs (Woodshole), 181, 



182, 207 ; 

 plaice eggs (Trondjhem), 39 ; 

 turbot fry (Dunbar), 66. 



Hatcheries, Sea-fish {continued) : 

 need for large-scale exf)eriments in, 

 145. 

 • Hatching, influence of temperature in, 

 34, 68, 78, 90, 97, 100, 125, 136, 

 140, 145, 156, 181. 

 Havelock, E. H., 7. 

 Hefl^ord, A. E., 8, 38. 

 Heincke, F., 44, 59, 79, 163. 

 Helland Hansen, B., 112, 186-8, 191. 

 Hellyer, C, 27, 56, 122. 

 Herrings, 161-79. 

 catch, 161, 162. 

 development of fry, 159-62. 

 disappearances of, 154, 155. 

 eggs and fry, 156, 160, 207. 

 export of, 154. 



' Fjord ' herring, 157, 158, 164. 

 harvest, times of, 153. 

 infant mortality, 165. 

 landings, 14, 124, 151-79, 124. 

 larvae, food of, 159. 

 life-history, 156-77. 

 races of herring : ' Dogger ' Herring, 

 163 ; ' Shetland ', 162 : ' Norse ', 

 163. 

 scale reading, 163, 165, 166, 167, 



168, 169-77. 

 Scottish fishermen on, 176, 177. 

 Spawning, 156-8. 

 temperature affects spawning, 156. 

 trawled herrings, 117, 152, 177. 

 Herrings, cod, and haddock stocks 



influenced by same factors, 16. 

 Herubel, A., 64, 109, 124, 144. 

 Hind, Mr., 184. 



Hjort, J., 7, 13, 15, 18, 21, 22, 24, 31, 

 66, 73, 78, 79, 83, 84-6, 90, 181, 

 186-8, 203, 206. 

 on Canadian herrings, 178. 

 coalfish, 100, 102. 

 cod, 90, 94-8. 

 haddock, 84-6. 

 hake, 112, 124, 126. 

 halibut, 104. 

 herring races, 163. 

 herring scales, 163, 164, 165-9, 1 73-5. 

 lemon soles, 144. 

 ling, 135. 



North Sea currents, 191. 

 skates, 129, 130. 

 'Small Game', 189. 

 whiting, 139, 140, 141, 142. 

 Hjort's classification of fishes, 202-6. 

 Holt, E. W. L., 59, 66, 68, 78, 123, 126, 



145, 147. 

 Hull, 32, 53, 70. 76, 88, 99, 103, 109, 

 128, 134, 138, 144, 152. 



Ice, polar, effect on fisheries, 14, 90. 



