220 



Part TIT. — Twenty-third Annual Meport 



Mackerel of east and west coasts of 

 Scotland, (18) 294. 



parasites of, (19) 124, 135, 146. 



question of racial differences among, 



(18) 294. 



question of sexual differences 



among, (18) 312. 



sizes and sex of, (18) 302. 



spawning period of, (4) 245 ; (17) 



98 ; (18) 327. 



specific gravity of eggs of, (7) 386. 



weight of ripe and unripe. (18) 328. 



Mackie, Mr R., (10) 286. 

 Maclagan, Nellie, (2) 74. 

 MacMunn, Dr A. C, (7) 386, 387. 

 Macrocypris minna, (19) 236, 257. 

 Macromysis Jiexuosa, (15) 133. 

 Macropodia longirostris, (15) 130. 



rostrata, (15) 130 ; (16) 156, 209. 



Macropsis slabberi, (6) 254 ; (8) 332 ; (16) 



158, 162, 209 ; (19) 277 ; (20) 532. 

 Macrostylis spinifera, (19) 236, 272. 

 Macrothrix hirsuticomis, (14) 239, 242. 



laticornis, (11) 231. 



Macrurus lawis, food of, (20) 501. 



occurrence of, (20) 541. 



Mactra elliptica, (15) 127. 



stidtorum, (6) 231. 



subtruncata, (15) 127. 



Madreporite of Cribeila oculata, (6) 280. 

 Mcera bated, (14) 160. 



grossimana, (6) 247 ; (7) 327. 



loveni, (7) 327 ; (19) 264; (20) 478, 



516, 520. 



othonis, (6) 247 ; (15) 140 ; (18)402 ; 



(19) 264. 



Mair,"Mr William, (8) 257 ; (9) 21, 177, 

 244 ; (10) 23, 29 ; (11) 24. 29, 30 ; (14) 

 22, 56. 



Maitland, Sir J. Ramsay-Gibson, (5) 43 ; 



(6) 25 ; (7) 12, 382 ; (10) 192, 331. 

 Mcddane biceps, (15) 158. 



Mai I of us villosus. See Capelin. 

 Malm, Dr, (9) 408 ; (10) 344 ; (13) 16. 

 Mancopsetta, (18) 361. 

 Mangelia attenuate/,, (15) 118. 



tcevigata, 15) 118. 



Maraenobiotus re/dorskei, (14) 168, 169; 



(16) 249 ; (17) 172, 173, 183, 189. 

 Margarita helicina, (15)122. 

 Marginvlina glabra, (16) 277. 

 Marine Biological Association of the 



U.K., (6) 298 ; (8) 361 ; (9) 390 ; (12) 



385 ; (13) 332. 

 laboratory, Plymouth, (6) 15, 



298 ; (7) 385. 



station at Puffin Island, (8) 362. 



currents, transport of fish eggs by, 



(13) 13, 135 ; (14) 15. 



diatoms, (15) 15. 



Fisheries Society, (6) 300 ; (8) 161. 



fishes of Loch Fyne, (15) 107. 



food-fishes : food, spawning, and 



habits of, (7) 182. 

 laboratory at Arcachon, work of, 



(7) 392. 



at Boulogne-sur-mer, work of, 



(7) 390. 



at Concarneau, work of, (7) 



389 ; (8) 373 ; (9) 418. 



Marine laboratory at Helder, (9) 413. 



at Heligoland, (9) 405. 



at Marseilles, work of, (7) 392; 



(8) 371 ; (9) 418. 

 at St. Andrews, (6) 279; (13) 



8. 



at St. Andrews, description of, 



(3) 55. _ 



pisciculture, practical results of, (13) 



10. 



; Marion, Professor, (7) 384, 392 ; (8) 21, 

 I 371 : (9) 389, 418 ; (10) 160. 189, 294, 

 ! 352 ; (11) 21, 239, 487 ; (13) 16. 



Marketable and unmarketable fishes, 

 classification of, (21) 40. 



Marking fish by labels, (7) 406. 



Marl deposits in Loch Doon, (17) 174. 



Mars Bank, (9) 181. 



Masterman, Dr, A. T., (11) 250; (12) 

 272; (13) 289, 279; (14) 294; (15) 

 219. 



Matthews, J. Duncan, (5) 245, 257, 295 ; 



(6)25; (9)331; (17) 274. 

 Maturation of eggs. See Eggs. 

 Maturity, average size of haddock at, 



(22) 153. 



average size of plaice at, (18) 190; 



22; 156. 



average size of whiting at, (22 



150. 



minimum size of grey gurnard at, 



(17)223. 



of edible crab, size at, (18) 79. 



I of fishes, (10) 18. 



of plaice, variation of size at, in 



different regions, (20) 358. 



sexual, in sturgeon, (6) 303. 



size at which fishes reach, (10) 236. 



of cod at, (19) 228 ; (22) 158. 



— of edible male crab at, (18) 97. 



of female edible crab at, (18) 



79. 



of haddock at, (19) 213. 



of Norway pout at, (19) 164. 



of plaice at, (20) 357. 



of sprat at, (22) 181. 



of whiting at, (20) 399. 



of witch at, (22) 195. 



Maurolicus pennantii. See Pearl-sides. 

 Mazocrces alosce, (19) 145. 

 Measurements of fish, importance of, (20) 

 326, 330. 



Measuring-table for fishes, (20) 330. 

 Medusid;e interfering with trawling 



operations, (20) 94, 95, 103. 

 Meek, Mr Alex., (17) 117 ; (22) 136. 

 Megaluropus agilis, (8) 326 ; (18) 402 ; 



(20) 478, 491," 510 ; (22) 243, 257. 

 Megamcera othonis, (6) 247. 

 Megamphopus cormdus, (14) 161 ; (20) 



479, 517. 



Megrim {Lepidorhombus whiff), (7) 325 ; 

 (12) 224 ; (18) 286, 357 ; (21) 50. 



abundant in deep water on north- 

 eastern grounds, (21) 50. 



development of, (10) 292. 



distribution of, (21) 50. 



eggs of, (16) 91, 114. 



egg resembling that of, (12) 224. 



in Firth of Clyde, (15) 250. 



