of the Fishery Board for Scotland, 
Diminution of flat fishes, (12) 9. 
Diminutive sucker. See Sucker, Mon- 
tagu’s. 
Dinematura coleoptrata, (18) 156; (19) 
125. 
—— producta, (18) 156 ; (19) 124. 
Dinemoura alata, (18) 156. 
—— lamne, (18) 156. 
—— serrata, (19) 125. 
Dinophilus metameroides, (7) 385. 
Diosaccus tenuicornis, (15) 151. 
Diphasia fallax, (15) 164.1 
Diphys campanulifera (15) 310, 311. 
Diplectanum cequans, (23) 117. 
Diplodonta rotundata, (8) 330. 
Diplozoon paradoxum, (4) 215. 
Discorbina globularis, (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 Brightwellii, (15) 214. 
Dog-fish, black-mouthed = (Pristiwrus 
melanostomus), (4) 226; (15) 113, 168; 
(18) 291. 
—— larger spotted (Scyllium catulus), 
(18) 291. 
—— lesser spotted (Scylliorhinus cani- 
cula), (15) 168. 
—— food of, (21) 226. 
picked (Acanthias 
227 ; (15) 113'; (18) 290. 
—— —— 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 
(Lagenorhynchus) 
rence of, (29) 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. 
Trawling investigations. 
Doris johnstoni, (15) 116. 
repanda, (15) 116 ; (16) 155, 209. 
tuberculata, (15) 116. 
Doropygus gibber, (18) 386. 
norman, (9) 301; (20) 455. 
—— porcicauda, (15) 148; (18) 386. 
pulex, (18) 386. 
Dory. See John Dory. 
Dosinia exoleta, (15) 126, 
—— vulgaris), 
(4) 
(Delphinus 
albirostris), occur- 
See 
195 
Dosinia lincta, (15) 126. 
Doto coronata, (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 
(18) 279 ; (19) 288. 
—— —— eggs of, (19) 288. 
—— —— food of, (20) 487, 496. 
—— —— parasites of, (18) 162, 
(19) 129; (20) 298. 
Drechsel, Capt. C. F., (7) 384; (8) 21, 
BERG AU) Ue Garg GEIS: (UC) Buel E 
(11) 21, 486; (13) 16. 
Drepanopsetta elassodon, (18) 352. 
platessoides. See Long rough dab. 
Drepanothrix dentata, (13) 188, 245, 250; 
(14) 168, 289 ; (15) 330, 331, 333; (16) 
250, &c. ; (17) 141, &e. 
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. ; 
— mollusea of, (17) 169. 
-—— ostracoda of, (17) 167, 168. 
temperatures of, (17) 166. 
Duff, Mr W., (10) 23; (11) 24. 
Dulichia falcata, (6) 250; (15) 141; (20) 
479, 492, 501, 503, 511, 517, 520, 523, 
527. 
monocantha, (16) 277 ; (19) 236, 267 ; 
(20) 4:79) SIN a1 7.523; 
porrecta, (9) 308 ; 
479, 492, 501, 511, 523. 
—— sp., (16) 210. 
Dunbar, creeks at, (12) 202. 
hatchery, description of, (12) 10, 
96. 
maculatus), 
168 ; 
(19) 267; (20) 
—— —— work at, (11) 14; (12) 10, 210; 
(14) 150. 
—— Marine Laboratory, (8) 8 ; (9) 5, 6, 
Les COV 7s (EL) 8; 
Dunbeath, trawling investigations off, 
(20) 94. 
