of the Fishery Board for Scotland. 



195 



Diminution of flat fishes, (12) 9. 

 Diminutive sucker. See Sucker, Mon- 

 tagu's. 



Dinemabura coleoptrata, (18) 156 ; (19) 

 125. 



— producta, (18) 156 ; (19) 124. 

 Dim moura alata, (18) 156. 



lamna', (18) 156. 



serrata, (19) 125. 



Dinophilus metameroides, (7) 385. 

 Diosacc us tenuicornis, (15) 151. 

 Diphasia fallax, (15) 164.1 

 Diphys campanulifera (15) 310, 311. 

 Diplectaimm cequans, (23) 117. 

 Diplodonta rotundata, (8) 330. 

 Diplozooiiparadoxitm, (1) 215. 

 Discorbina globidaris, (15) 167. 



orbicularis, (16) 277. 



rosacea, (15) 167. 



Diseases of fish, cysts in eyes of Norway 



pout from Clyde, (19) 284. 

 of fishes, (3) 66 ; (4) 214 ; (11) 20, 



391 392. 



Distribution of edible fishes, (6) 33 ; (18) 



113 ; (22) 122. 



of eggs of ling, (15) 244. 



of food fishes, (21) 40. 



of food fishes, value of statistics 



thereanent, (21) 38. 



of pelagic eggs, (13) 15, 258 ; (15) 13. 



of pelagic invertebrate fauna of the 



Firth of Forth and its vicinity, (16) 



153. 



vertical, of pelagic fish eggs, (15)250. 



Ditylum Bright wellii, (15) 214. 



Dog-fish, black - mouthed (Pristiurus 



melanostomus), (4) 226; (15) 113, 168; 



(18) 291. 



larger spotted (Scyllium catulus), 



(18) 291. 



lesser spotted {Scylliorhinus cani- 



cida), (15) 168. 



food of, (21) 226. 



picked (Acanihias vulgaris), (4) 



227 ; (15) 113 ; (18) 291. 



food of, (21)221. 



parasites of, (20) 297. 



Dog-fishes, (4) 227 ; (10) 207. 



Dog Hole, trawling investigations at, 

 (21) 17, 45, 46, 49, 52, 55. 



Dolphin, white-beaked {Delphinus 

 {Lagenorhynclius) albirostris), occur- 

 rence of, (20) 541. 



Dolphins, use of fire-arms against, (7) 

 398. 



Dornoch Firth, physical and chemical 

 examination of the water of, (6) 313, 

 318, 336. 



spawning of cod, &c, in, (23) 20. 



trawling investigations in. See 



Trawling investigations. 

 Doris johnstoni, (15) 116. 



repanda, (15) 116 ; (16) 155, 209. 



tuberctdata, (15) 116. 



Doropygus gibber, (18) 386. 



normaui, (9) 301 ; (20) 455. 



porcicauda, (15) 148; (18) 386. 



pulex, (18) 386. 



Dory. See John Dory. 

 Dosinia exoleta, (15) 126. 



Dosinia lincta, (15) 126. 

 Doto roronafa, (16) 155, 209. 

 Doull, Mr John, (9) 177 ; (10) 188. 

 Dragonet. gemmeous (Callionymus lyra), 



(3) 68 ; (4) 232 ; (7) 356 ; (15) 110; (18) 



278 ; (20) 535. 



change of colour in, (3) 69. 



colour of sexes of, (3) 69. 



distribution of adult and immature, 



(8) 177. 



eggs and larva of, (9) 349 ; (15) 250. 



eggs of, (4) 212; (8) 285 ; (14) 223 ; 



(16) 91-114 ; (17) 82-84, 93, 99, 103, 



106. 



eggs of, in Firth of Clyde, (15) 250. 



fecundity of, (9) 252. 



food of, (8) 256 ; (20) 486, 495. 



mature and immature, (8) 177. 



post-larval forms of, (7) 309. 



proportion of males to females, (8) 



349. 



reproduction of, (10) 243. 



sexual proportions of, (10) 239. 



spawning of, (4) 212 ; (7) 197 ; (8) 



269 ; (17) 99. 

 spotted {Callionymus maculatus), 



(18) 279 ; (19) 288. 



eggs of. (19) 288. 



food of, (20) 487, 496. 



parasites of, (18) 162, 168 ; 



(19) 129 ; (20) 298. 



Drechsel, Capt. C. F., (7) 384; (8) 21, 

 353; (9) 11, 19, 177, 410; (10) 347; 

 (11) 21, 486 ; (13) 16. 



Drepanopsetta elassodon, (18) 352. 



platessoides. See Long rough dab. 



Drepanothrix dentata, (13) 188, 245, 250; 

 yU) 168, 289 ; (15) 330, 331, 333 ; (16) 

 250, &c. ; (17) 141, &c. 



Dried fish cured with boracic acid, (6) 212. 



Drift-bottle experiments on surface cur- 

 rents, (15) 334. 



Dryope crenatipalmata, (6) 249. 



Duddingston Loch, amphipoda of, (17) 

 168. 



cladocera of, (17) 167, 168. 



copepoda of, (17) 167, 168. 



invertebrate fauna of, (17) 165. 



isopoda of, (17) 167, 168. 



mollusca of, (17) 169. 



ostracoda of. (17) 167, 168. 



temperatures of, (17) 166. 



Duff, Mr W., (10) 23 ; (11) 24. 

 Dvlichia falcata, (6) 250; (15) 141 ; (20) 



479, 492, 501, 503, 511. 517, 520, 523, 



527. 



monocantha, (16) 277 ; (19) 236, 267 ; 



(20) 479, 511, 517, 523. 



porrecta, (9) 308; (19) 267; (20) 



479, 492, 501, 511, 523. 



sp., (16) 210. 



Dunbar, creeks at, (12) 202. 



hatchery, description of, (12) 10, 



196. 



work at, (11) 14 ; (12) 10, 210 ; 



(14) 150. 



Marine Laboratory, (8) 8 ; (9) 5, 6, 



14; (10)7; (11)8. 

 Dunbeath, trawling investigations off, 



(20) 94. 



