of the Fishery Board for Scotland. 



221 



Megrim, fecundity of, (9) 263. 



food of, (7) 237, 240 ; (8) 254, 256 ; 



(20) 523. 



mature and immature, (8) 172. 



proportion of males to females, (8) 



349; (10) 239. 



size at maturity, (10) 238. 



spawning of, (7) 192. 



Melita dentata, (14) 160. 



gladiosa, (6) 247. 



obtusata, (6) 247 ; (15) 140 ; (20) 



501, 510. 



proximo,, (6) 247. 



Melosira orichalcea, (9) 274. 



varians, (9) 274. 



Melphidippa spinosa, (10) 264. 

 Melphidippella macera, (16) 170, 177, 



210 ; (17) 265 ; (19) 263. 

 Melville, Mr John, (9) 177, 343. 

 Membranipora Jlemingii, (15) 156. 



pilosa, (15) 156. 



Meridiem circidare, (9) 274. 



Merluccius vulgaris. See Hake. 



Merry-sole. See Lemon dab. 



Mesh of trawl-net, (8) 182. 



experiments on influence of, 



(12) 306 ; (19) 62. 

 influence of size of, on fish 



caught, (19) 62. 

 relation between, and the fish 



captured, (12) 306 ; (19) 62. 

 Mesochra Uttjeborgii, (6) 239; (11) 228, 



229. 



macintoshi, (13) 167 ; (20) 461. 



propinqua, (14) 162. 



robertsoni, (11) 228, 229. 



spinicauda, (13) 167 ; (18) 391. 



Methods of fishing for herrings in Clyde, 

 (12) 18. 



of fishing in relation to statistics, 



(20) 79. 



of rearing fish larvae, (15) 177. 



Metopa alderi, (7) 319; (16) 170, 177, 



210 ; (20) 516, 527. 



boreal is, (19) 260 ; (22) 243, 257. 



bruzelii, (14) 159. 



nasuta, (14) 159. 



— — norvegica, (19) 261. 



pollexiana, (6) 246 ; (17) 265 ; (20) 



478. 



propinqua, (12) 263. 



pusilla, (20) 478, 516. 



robusta, (17) 265. 



rubrovittata, (19) 260 ; (20) 510, 527. 



Metopella nasuta, (19) 261 ; (20) 497, 510. 

 Metopina robusta, (19) 236, 261. 

 Metridia armata, (4) 148 ; (9) 300; (15) 

 147. 



as herring-food, (4) 126. 



hibernica. (15) 146, 307, 308, 309, 



310, 311, 314 ; (16) 177, 189, 210 ; (17) 



251, 270. 

 longa, (20) 454. 



lucens, (18) 385 ; (19) 239 ; (20) 454, 



511, 513, 517, 532 ; (21) 113. 

 Microchirus minutus, (18) 359. 



variegata, (18) 359. 



Micrococcus albus Iranducens, (6) 208. 



calyciformis, (6) 209. 



rotundus magnus, (6) 210. 



Micrococcus spongiosus, (6) 209. 



Microcotyle donovani, (23). 



labracis, (23) 117. 



Microcrustacea from Clyde and Moray 

 Firth, (17) 248. 



Microdeutopus anomalus, (15) 140. 



damnoniensis, (15) 140. 



Microjassa cumbrensis, (19) 265. 



M irroniscus calani, (15) 172, 309, 311. 



Micro-organisms, determination of num- 

 ber in water, (4) 178. 



in river-water, (3) 73 ; (4) 176 ; (5) 



331. 



in river- water, methods of detect- 

 ing, (3) 73. 



Microporella impressa, (15) 156. 



Microprotopus macidatus, (14) 161 ; (18) 

 402 ; (20) 527. 



Microstella atlantica, (9) 301. 



Microstomas (18) 353. 



Midwater net, description of, (5) 356. 



Migrations of brill, (11) 189. 



of cod, (11) 189 ; (15) 375. 



of dab, (11) 189. 



of edible crab, (18) 119, 125 ; (22) 



135. 



relation of, to temperature, 



(18) 124. 



of fishes, (10) 19. 



in relation to currents, (15) 



375. 



value of statistics in connec- 

 tion with, (11) 16, 176 ; (21) 38. 



of grey gurnard, (17) 210. 



adults and immature together 



(17)223. 



in relation to reproducticn 



(17) 222. 



of grey skate, (11) 191. 



of gurnard, relation of, to changes 



in temperature, (17)216. 

 of herring, (10) 173; (11) 191; (17) 



286. 



of immature gurnards, (17) 227. 



of lemon sole, (11) 187. 



of plaice, (11) 175 ; (15) 375. 



i n relation to maturity, (8) 



168. 



of thornback ray, (11) 191. 



of turbot, (11) 189. 



Migratory movements of sea-fishes, (8) 

 14, 353. 



Miliolina agglutinans, (7) 313; (8) 313; 



(9) 288 ; (15) 165. 



auberiana, (16) 274. 



bicomis, (7) 313 ; (16) 274. 



contorta, (15) 165. 



ferussacii, (7) 313; (15) 165. 



fusca, (8) 313 ; (16) 274. 



Inbiosa, (16) 274. 



oblonga, (7) 312 ; (16) 274. 



secans, (7) 312 ; (15) 165. 



seminulum, (7) 312 ; (15) 165 ; (20) 



497, 510, 527. 



subrotunda, (9) 288 ; (15) 165. 



tricarinata, (8) 313 ; (15) 165. 



trigonula, (7) 312 ; (8) 313 ; (15) 



165. 



venusta, (16) 274. 



Miliolites ringens, (7) 312. 



P 



