INDEX 



219 



Polar ice, 14, 85. 



PoUock, 120. 



Popular lectures and publications, 

 need for, 13, 1(5, 22, 24, 25, 45, 61, 

 70, 75, 83, 96, 97, 106, 107, 121, 

 J 22, 124, 126, 127, 132, 133, 142, 

 167, 171, 177, 183, 192, 195, 197, 

 203. 



Population of sea, immense variations 

 in, from year to year, 21, 22. 39, 

 40, 43, 64 ?i., 80, 85, 86, 94-7, J 65. 



Portuguese researches, 116, 126. 



Post-war statistics, 198-206. 



Potter, J., 48. 



' Practical ' research — a heresy re- 

 canted, 195. 

 iervatives for 

 to discover, 202. 



Prince, E. E., 70. 



Productivity, comparative, of fishing- 

 grounds, 19, 200, 201. 



Raffaele, Dr., 122, 125. 



Kaiidae, 129; species of, 129, 130, 



132. See Skates. 

 Kamsgate, 32, 71. 

 Kays : see Skates. 

 Redeke, H. C, 59. 

 •Regions', fishing, 16, 17, 18, 19, 20, 



&c. See Fishing -groiuids. 

 Rees, H. E., 115, 118-20. 

 Research, industrial need for, 202. 

 Research, Ocean : 

 achievements of, 24. 

 international apj)ointment of work, 



21. 

 not ' mipractical ', 70. 

 utility of, 25, 70, 86, 93, 98, 203. 

 Rhode Island Hatchery, 69. 

 Robertson, J. A., 8. 

 Royal Society, transactions. 77. 

 Russell, E. S., 59,78, 80,81. 



Salmon, 132, 185. 



Sand, whitmgs aj)parently eating, 142. 

 Sandhoppers (amphipods), 15, 141, 

 142, 196 (ill.). 

 liuctuations among, 142. 

 Sars, M., 90, 95. 

 Scale -reading : 

 explained, 21, 22. 

 coalfish, 23, 101, 102. 

 cod. 92. 

 haddock, 84-6. 

 herring, 163-77. 

 Scarborough, 77, 88. 144. 

 Schmidt, J., 24, 79, 91, 104, 122, 12.5, 



126, 136, 137. 

 Science and business : see ' Business ' 

 and ■ Science ', atid Popular 

 lectures. 



Scott, Andrew, 74, 156, 182, 192, 194, 



196. 

 Scruff : see under Coral. 

 Sea-houses, 153, 



Seine net better than trawls for re- 

 search work, 165, 169. 

 ' Shallow- water fishes ', 203. 

 Shetland, herrings landed at. 152. 

 Shetland lierring (race of), 162. 

 Shrimp trawling, 44, 54, 55. 

 Sim, (Jr., 130. 



Size of fish no guide to age, 149, 174, 

 175. 

 limits for plaice, 56-8. 

 Skates, 14, 128-33, 199, 206. 

 catch of, 128. 

 eggs, 132. 



fluctuations, 129, 205. 

 life-history, 130-3. 

 species of, 129, 130, 132. 

 ' Small Game ' of the Sea, 186-97. 

 fluctuations in abundance, 39, 64, 

 142. 

 Small plaice, 41, 42. 

 Small-jjlaice grounds, 51. 

 attempts to close, 52. 

 effect of closure on, 53. 

 i map of, 57. 

 j soles on, 57. 

 Snails (gastropods). 15, 25, 160, 194. 

 Soles, 14, 36, 71-5, 118, 199, 206. 

 catch, 71, 205. 

 eggs, 73. 



fluctuations, 72, 206. 

 life-history, 73. 

 Soles, ' Erench ' {Solea lascun's), 15. 

 'thick back' {Solea variegata), 74, 

 75. 

 Spawning, turbot prevented from, by 



over-feeding, 68. 

 Spawning years (' good ' and ' bad '), 

 39, 69, 79, 80, 85, 90, 94-7, 111, 

 160, 165-7, 170, 192, 193. 

 Sprats, 14, 199. 



form whitebait in August (Menui 



Strait), 162. 

 form winter whitebait in Thames, 

 162. 

 Statistics : 



business men on, 27-30. 

 must be compulsory, 27, 28, 29. 

 must be uniform, 26, 27. 

 need for greater accuracy, 26. 

 post-war, 198-206. 

 Stomoway, herrings landed at, 152. 

 Storrow, B., 8. 



on halibut, 105, 106. 

 herrings, 104 (ill.), 168-76. 

 lemon soles, 148, 149. 



