214 



Part III. — Twenty -third Annual Report 



I 



Iceland, race of herring at, (17) 282. 



statistics of catches of trawlers at, 



(20) 135. 



Ichthyobdella anarrhichce, (19) 140. 



hippoglossi, (19) 140. 



marina, (19) 140. 



sanguined, (19) 140. 



Ichthvological notes, (4) 222 ; (19) 282 ; 



(22) 281 ; (23) 251. 



research, committee on, (21) 38. 



Idothea baltica, (16) 168, 210 ; (20) 489, 



505 519 525 527. 

 emargmata, (6)252; (16) 168, 169, 



210 ; (19) 271 ; (20) 500, 519. 525. 



granulosa, (20) 479. 



linearis, (6) 252 ; (16) 168, 169, 210 ; 



(19) 271 ; (20) 519. 



marina, (6) 252 ; (14) 165. 



neglecta, (22) 243, 257. 



pelagica, (6) 252 ; (15) 135 ; (19) 



271 ; (20) 500, 519, 533. 



tricuspidata, (6) 252 ; (15) 135. 



Idya cluthce, (17) 259 ; (19) 250. 



furcata, (4) 153 ; (6) 241 ; (15) 153 ; 



(20) 511. 



gracilis, (13) 171 ; (15) 153. 



longicornis, (15) 153 ; (19) 251. 



minor, (15) 153 ; (19) 251. 



Ilyocryptus sordidus, (9) 273, 291 ; (11) 



232 ; (12) 286 ; (13) 188, 245, 250 ; (14) 



239; (15) 321, 330, 333 ; (16) 250, 252 ; 



(17) 141, 184, &c. 

 Ilyocypris biplicata, (15) 321, 326, 330; 



(16) 252 ; (17) 160, 164, 168, 184. 

 gibba, (8) 341, 344; (9) 273, 277, 



282, 283, 286, 288 ; (13) 188 ; (15) 333. 

 Ilyodromus olivacea, (17) 160, 168, 190. 

 robertsoni, (15)321,326; (17) 173, 



190. 



violacea, (17) 161. 



Ilyopsyllus coriaceus, (18) 396. 



Immature fish. See Fish, immature. 



Impoverishment of fishing grounds, neces- 

 sity of improved statistics to deter- 

 mine, (20) 82, 86. 



■ of fishing grounds, system of statis- 

 tics to determine, (20) 75. 



Inachus dorsettensis, (6) 255; (15) 129 ; 

 (20) 537. 



leptochirus, (20) 510. 



Inadequacy of present limit of territorial 

 waters, (12) 12. 



Industrial fishing school, (6) 301. 



Influence of locality on growth, (20) 336. 



of temperature on the development 



of fishes' eggs, (13) 15, 147. 



Infusorian parasite, (15) 172. 



Injuries to food-fishes, (10) 207, 299. 



Inland waters of Scotland, invertebrate 

 fauna of. See Fauna, invertebrate. 



Innervation of free rays in gurnard, (12) 

 328. 



Inopsetta, (18) 353. 



Inshore waters, spawning of fish in, (7) 

 183. 



Intensity cf fishing, as shown by marked 



fishes re -caught, (15) 375. 

 Intercrossing in the genus Salmo, (7) 12. 



International conference on fisheries of 

 extra-territorial waters, (9) 389. 



Investigation Committee, statistics 



for, (21) 38. 



plrysical investigations, (15) 280. 



Intraovarian eggs of common dab, (16) 

 96. 



fluid in teleosteans, nature of, (16) 



93. 



Inverness Firth, physical and chemical 

 examination of the water, (6) 313, 318, 

 336. 



Invertebrate fauna of inland waters of 

 Scotland. See Fauna, invertebrate. 



Investigations made on board steam - 

 trawlers, (19) 58; (20) 92; (22) 13; 

 (23) 13. 



offshore desirable, (13) 8. 



Iphimedia minuta, (12) 264 ; (15) 139 ; 

 (22) 257. 



obesa, (6) 247 ; (15) 139 ; (16) 170, 



177, 210. 

 Iphinoe gracilis, (6) 253. 



serrata, (19) 273 ; (20) 479, 510. 



■ trispinosa, (15) 134 ; (16) 167, 209. 



Ireland, Congested Districts Board of, 



(12) 389. 



decline of oyster fishery in, (6) 300. 



enquiry on beam -trawling in, (8) 



361 ; (9) 395. 



— fisheries of, (6) 300 ; (12) 388. 



fishery work in, (9) 394 ; (10) 331. 



instructions in fishery matters in, 



(12) 389. 



investigation of marine fauna of 



south-west of, (7) 387. 

 survey of the fishing grounds on 



south and west coasts of, (9) 394. 

 Irenceus patersonii, (6) 238. 

 Ischyrocerus anguipes, (19) 236, 264. 

 minutus, (14) 161; (18) 402; (19) 



264. 



Mas clavipes, (17) 251 ; (18) 384. 

 Isle of Man, Fishery Committee of, (13) 

 335. 



Isle of May, eels of, (12) 295. 



Isocardia cor, (8) 332. 



Isopoda of lochs. See Fauna, inverte- 



Italy, fishery work in, (6) 308 : (7) 401 ; 

 (8) 375 ; (9) 422 ; (10) 353. 



as a market for Scottish-cured her- 

 rings, (7) 163. 



beam-trawling in, (7) 401. 



department of fisheries in, (6) 308. 



legal sizes for immature fish in, (8) 



375. 



Royal Commission of Fisheries in, 



(6) 14. 



statistics of fisheries of, (9) 423. 



stocking of lakes and rivers in, (8) 



375. 



Ito, Mr K., (6) 308. 

 Itunella tenuiremis, (15) 151. 



J 



" Jackal," H.M.S., (12) 21, 301. 



cruise of, in the North Sea, 1888, 



(7) 412. 



