of the Fishery Board for Scotland. 



Heteromysis microps, (7) 323. 

 ffeteropsyllus ctirticaudatus, (12) 252. 

 Heterosomata. See Flat fishes. 

 Hippa-stcria.s phn/giana, (20) 308, 319, 

 324. 



Hippocampus antiquorum. See Sea- 

 horse. 



Hippoglossina, (18) 352, 356. 

 Hippoglossinai, (18) 351, 352, 358. 

 Hippoglosso-rhombinoe, (18) 352, 354. 

 Hippoglossoides limandoides. See Long 



rough dab. 

 Hippoglossus vulgaris*. See Halibut. 

 Hippolyte andrewsii, (6) 260. 



barleei, (6) 260. 



cranchii, (6) 260. 



— fascigera, (6) 260; (15) 132; (16) 



156, 157, 209. 



gaimardii, (7) 324. 



pandaliformis, (7) 324. 



prideauxiana, (15) 168. 



pusiola, (6) 260. 



securifrons, (6) 260. 



spiniis, (6) 260. 



thomsoni, (6) 261. 



varians, (6) 260 ; (15) 132 ; (16) 156, 



157, 209. 



Ilippomedon denticidatus, (16) 210 ; (20) 



516, 523, 535. 

 — holbolfi, (8) 326. 

 Hippothoa distans, (15) 156. 

 Hirudinea, (19) 137. 

 Hirudo hippoglosti, (19) 142. 

 History of mussel-culture at Montrose, 



(13) 137. 



Hjort. Dr Job., (17) 115 ; (23) 253. 

 Hoek, Dr P. P. C, (6) 15, 16, 276, 305; 



(7) 384 ; (8) 21 ; (9) 10, 19, 202, 412 ; 

 (10) 189, 349 ; (11) 21, 487, 500, 501, 

 503 ; (12) 400, 401 ; (13) 11, 16, 341. 



Hoffmann, Prof. C. K., (6) 306 ; (13)341. 



Holibut. See Halibut. 



Holland, ankerkuil fishery in, (6) 307. 



Fishery Board of, (6) 305. 



fishery work in, (6) 305 ; (7) 399 ; 



(8) 365 ; (9) 412; (10) 349 ; (11) 500 ; 

 (12) 400 ; (13) 340 



fisheries of, (7) 399 ; (9) 415 ; (12) 



400 ; (13) 340. 

 State Commission for Sea Fisheries, 



(6) 305. 



wonderkuil fishery in Zuiderzee, (6) 



306 ; (8) 366. 



Holopedium gibberum. (9) 280, 289 

 231 ; (13)250; (17) 143, 184, &c. 



Holothuria pkantapus, (20) 307. 



raphanus, (20) 307. 



Holt, Mr E. W. L., (9) 327, 395 

 211, 233, 237, 276-280, 286, 288 

 296, 328 ; (11) 244, 247, 488 ; (12) 205 

 302 ; (13) 332, 333 ; (16) 226. 



Homarus gammarus, (6) 259. 



vulgaris. See Lobster. 



Homceoscelus mediterranean (22) 254. 



minuta, (22) 254. 



Homelyn ray. See Ray, homelyn. 



Homologyra afomus, (15) 119. 



Hoplonyx cicada, (15) 137 ; (22) 243, 256. 



Horse-mackerel or scad (Caranx trach- 

 urus), (8) 357. 



(11) 



(10) 

 294, 



Horse-mackerel or scad, eggs of, (15)205. 



- food of, (20) 486, 494. 



reproduction of, (13) 333. 



spawning period of, (4) 245. 



voung stage resembling a, (15) 



205. 



Horse-mussel, (4) 219. 

 Howes, Professor CJ. B., (13) 297 ; (18) 

 335. 



Howietoun, fish-hatching at, (5) 230. 

 Hoyle, Dr. Wm. E., (6) 215. 

 Hubrecht, Professor, (6) 306. 

 Huntemannia jadensis, (17) 255; (18) 

 395. 



Hutchison, Mr W., (18) 79. 

 Huxley, Professor, (9) 416 ; (10) 173. 

 Hyale lubhochiana, (15) 137. 



nilssoni, (6) 246 ; (20) 519. 



Hyalodajjhnia berolinensis, (9) 291. 

 Hyas araneus, (6) 255, 261 ; (15) 129. 



coarctatics, (6) 256 ; (15) 130 ; (20) 



536. 



Hyalinmcea tubicola, (15) 159. 



Hybrid between Californian trout (S. 



irideus) and Salmo fario, (7) 383. 

 between hybrid parents in sal- 



monida?, (7) 384. 



— between Lochleven trout and hybrid 

 of Howietoun salmon par and Loch- 

 leven trout, (7) 384. 



between Lochleven trout and hybrid 



of S. solar (male) and Lochleven trout 

 (female), (7) 384. 



between Lochleven trout and sal- 

 mon, (7) 383. 



between salmon and Lochleven 



trout, (7), 383. 



between turbot and brill, (13) 



333. 



— of poor-cod, (11) 241. 

 Hybridism in fish, (7) 382. 



among salmonida>. (7) 382. 



among sea-fish, (8) 16. 



Hydractinia eehinata, (15) 164. 

 Hydrobia stagnalis, (15) 120. 



idva>, (7) 382 ; (9) 287, 288. 



Hydrographic changes in North Sea, (12) 



21. 



research in the Baltic and North 



Sea, (13) 339. 

 survey, (11)8. 



Hydromedusa; of Firth of Forth, (16) 

 194. 



Hydrozoa as food of cod, (4) 136. 



as food of haddocks, (4) 129. 



— of Loch Fyne, (15) 163. 

 Hyperammina arborescens. (16) 274. 

 Hyperia galba, (6) 249, 251 ; (15) 136 ; 



(16) 170, 210 ; (17) 264 ; (18) 401 ; (20) 



500, 513, 519. 



as herring food, (4) 104, 123. 



gracilipes, (10) 265. 



medusarum, (6) 228, 249 ; (22) 243, 



256. 



oblivia, (6) 250 ; (10) 265. 



tauriformis, (9) 310. 



Hyperiida>, (6) 228, 229, 249 ; (10) 265 ; 



(15) 136 ; (18) 401. 

 Hyperoche tauriformis, (15) 136 ; (16) 



170, 171,210; (17)264; (18)401. 



