of the Fishery Board for Scotland. 
Dab, lemon, minimum size at maturity, 
(8) 161, 162, 163. 
—— on deep-water grounds, (21) 46. 
—— parasites of, (18) 165, 180. 
—— post-larval stages of, (16) 225, 236. 
—— proportion of immature, landed by 
trawlers, (22) 19. 
—— proportion of males to females, (8) 
349. 
rearing of larvee and post-larve of, 
(16) 223. 
—— relation of length to weight, (22) 
144, 208. 
—— sexual proportions of, (10) 239. 
—— sizes of, (14) 148. 
—— size of, at maturity, (10) 238. 
—— sizes of, on deep-water grounds, 
(21) 47. 
—— size-limit between mature and im- 
mature, (22) 18. 
—— spawning period of, (4) 251; (7) 188, 
387 ; (8) 261; (10) 234; (17) 98; (21) 
48. 
—— specific gravity of eggs of, (7) 386. 
Dab, long rough (Drepanopsetta plates- 
soides), (18) 285. 
—-—abundance of, on deep-water 
grounds, (19) 64, 290; (21) 223. 
distribution of adult and immature, 
(8) 170. 
—— eggs and larvee of, (13) 14, 220. 
—— eggs of, (8) 285; (9) 319, 320; (16) 
91, 114: (17) 82-84, 96. 
—— eggs of, in Firth of Clyde, (15) 248. 
—— fecundity of, (9) 261. 
—— food of, (7) 225, 232, 236, 237, 239, 
244, 254; (8) 231, 236, 247, 250, 251, | 
952, 253, 254, 255, 256; (9) 225, 234, 
236-238, 241; (10) 214, 218, 222, 230; 
(20) 311, 313, 487, 521; (21) 223. 
—— growth of, (16) 245; (20) 372. 
—— growth of, comparison of rate in 
different regions, (20) 385. 
——— in Loch Fyne, (15) 112; (18) 352. 
—-— increase in numbers of, (14) 146. 
—— maximum sizes of, (20) 380, 381, 
386. 
—— minimum size at maturity, (8) 161, 
162, 163. 
—— parasites of, (18) 166. 
—— post-larval stages of, (16) 225, 235. 
—— proportion of males to females, (8) 
349 ; (10) 239. 
—— relation of length to weight, (22) 
144, 198, 222. 
—— sexual proportions of, (10) 239. 
—— size at maturity, (10) 239. 
—— sizes of, (14) 143. 
—— spawning areas of, (7) 172, &e. 
—— spawning period of, (4) 250; (7) 
172, 191 ; (8) 264; (10) 234; (17) 98. 
Dactyliosolen antarcticus, (15) 298, 300. 
—— mediterraneus, (15) 298, 300. 
Dactylocotyle pollachii, (19) 149. 
Dactylopus brevicornis, (9) 303; (21) 128. 
—— coronatus, (12) 255; (20) 468; (21) 
128. 
—— flavus, (9) 302; (11) 205, 206; (15) 
152; (21) 128. 
-—— littoralis, (21) 124. 
193 
Dactylopus longirostris, (21) 126, 127. 
—— minutus, (9) 303 ; (17) 258 ; (21) 126. 
—— mixtus, (21) 126. 
—— parvus, (21) 128. 
—— pectinatus, (16) 269. 
—— rostratus, (11) 205. 
—— similis, (15) 152. 
—— stromit, (12) 254; (15) 152; (21) 127. 
—— tenwiremus, (9) 302; (17) 258; (21) 
127. 
— —- tisboides, (4) 149; (6) 240; (9) 303 ; 
(15) 152; (20) 532. 
—— vararensis, (21) 125. 
Danaia dubia, (10) 262. 
Daniell, Dr A., (7) 178. 
Danish Fishery Association, (13) 340. 
Dannevig, hatching apparatus of, (5) 238. 
—— hatching experiments by, (5) 241. 
—— Captain G. M., (5) 235; (6) 15, 276; 
(7) 384, 402; (8) 21; (9) 19, 409; (10) 
9, 190, 346, &e. 
—— Mr Harald, (12) 9, 208, 210; (13) 
15, 128, 147; (14) 9, 150, &e. 
Daphnella brachyura, (9) 273, 275, 277, 
289 ; (13) 245, 250; (14) 168; (15) 321; 
(16) 252, 260 ; (17) 163. 
—— wingit, (9) 289. 
Daphne erystallina, (9) 289. 
—— mucronata, (9) 290. 
—— pulex, (9) 290. 
—-— vetula, (9) 290. 
Daphiia cucullata, (9) 291. 
—— falcata, (17) 148. 
—— galeata, (13) 245; (17) 150, 153, 176, 
177, 179, 180, 181, 182, 184. : 
—— jardinii, (9) 280, 290, 296 ; (12) 286; 
(13) 250; (14) 168; (15) 316, 321. 
—— lacustris,(16) 250 ; (17) 1388, 140, 157, 
158, 160, 163, 164, 167, 184. 
—— longispina, (9) 273, 280, 283, 287, 
290; (138) 188, 189; (14) 239, &c. 
—— mucronata, (9) 290. 
—— nasuta, (17) 170, 171, 173. 
—— pulex, (8) 336; (9) 273, 277, 283, 
284, 288, 290; (13) 250, &e. 
—— reticulata, (9) 289. 
—— sima, (9) 290. 
| —— vetula, (8) 336; (9) 290. 
Daphniz of fresh-water lochs, (17) 192. 
Darwinella stevensoni, (9) 281, 282. 
Darwinia compressa, (7) 320. 
Darwinula stevensoni, (13) 245, 250; (15) 
319, 321, 326; (16) 250, 252; (17) 140, 
184, 191. 
Dasychone argus, (15) 158. 
Dawson, Mr Robert A., (11) 493. 
Day, Dr, (7) 388. 
Daylight fishing for herring, (4) 58. 
Decalcifying action of formaline, (23) 133. 
Decapod crustacea, iarval stages of, (19) 
92. 
—— —— of Plymouth, (7) 385. 
—— larval, as herring-food, (4) 126. 
Decipula ferruginosa, (15) 126. 
Dee, bacteria in water of, (5) 335. 
Deep-water grounds compared with in- 
shore grounds, (20) 117. 
—— — — plaice on, (21) 41. 
—_— —— trawling investigations on, (20) 
114; (21) 19, 27. 
