180 



Part III.—Twenty-i 



■third Annual Report 



Aphoristia omata, (18) 359. 

 Aphrodite aculeata, (15) 160. 

 — sp., (6) 230. 



Aphya pellucida, spawning period of, (4) 

 245. 



Apionichthys, (18) 358. 

 Aplysia punctata, (15) 116. 

 Aporrhais pes-pelicani, (15) 118. 

 Apstein, Dr, (17) 100. 

 Arachnactis, sp., (15) 307/308, 310. 

 Area pectunculoides, (20), 449. 

 Archer, Mr Walter, (12) 294, 297. 

 Arcturella dilatata, (19) 236, 271 ; (20) 



497 ; (23) 151. 

 Arcturus gracilis, (6) 252. 



intermedia, (6) 252. 



longicornis, (6) 252. 



Area of closed waters in Firth of Forth 



and St. Andrews Bay, (14) 130. 

 Arenicola. See Lobworm. 

 Argentina silus. See Smelt, greater 



silver. 



Argentina sphyrcena. See Smelt, lesser 

 silver. 



Argillmcia cylindrica, (7) 319 ; (15) 142. 



Argina pescata, (7) 341. 



Argissa hamatipes, (11) 213, 214 ; (16) 



170, 177, 210 ; (17) 265 ; (18) 401 ; (19) 



259 ; (20) 513, 516, 527. 



typica, (11) 213. 



Argulus foliaceus, (18) 179. 



Armed bullhead or pogge {Agonus cataph- 



ractus), (4) 232 ; (9) 310; (15) 110; (18) 



276; (21) 74; (23) 157. 



age when first mature, (21) 77. 



eggs of, (3) 60. 



distribution of, (21) 74. 



distribution of adult and immature 



of, (8) 177. 



fecundity of, (9) 250. 



food of, (20) 486, 492. 



growth of, (12) 334 ; (21) 76. 



mature and immature, (8) 177. 



parasites of, (18) 162 ; (19) 141. 



post-larval forms, (7) 308. 



proportion of sexes in, (21) 74. 



relation of length to weight, (22) 



239. 



size at maturity, (10) 238. 



spawning of, (7) 197 ; (13) 230; (21) 



74. 



vitality of eggs of, (13) 230. 



Arnoglossus grohmanni, (18) 357. 



laterna. See Scald-fish. 



megastoma. See Megrim. 



Arpacticus nobilis, (21) 130. 



Artificial hatching and rearing of sea-fish. 



See Hatching. 



baits, (7) 352. 



Artotrogus boeckii, (6) 242 ; (11) 210. 



magniceps, (4) 154 ; (6) 233, 242. 



normani, (6) 232 ; (20) 473. 



orbicularis, (15) 154 ; (16) 272 ; (18) 



400. 



papi/latus, (6) 232, 233, 234, 242 ; 



(17) 262, 263. 

 Ascidia intestinalis, (9) 301. 



mentida, (15) 114. 



Ascidicola rosea, (6) 239 ; (15) 149 ; (20) 



525. 



Ascidiella scabra, (15) 114. 



virginea, (15) 114. 



Ascomyzon echinicola, (11) 210. 



ornatus, (20) 472. 



simtdans, (16) 270. 



Ascroft, Mr R. L., (11)489. 



Asellopsis hispida, (8) 318. 



Asellus aquaticus, (13), 249; (17) 139, 



167, 168, 186. 

 Aspidiscus fasciatus, (10) 258. 

 Aspidoecia normani, (16) 279 ; (17) 268 ; 



(20) 480 ; (22) 254. 

 Aspidophryxus peltatus, (15) 169 ; (18) 

 403. 



Astacilla, sp., (20) 497. 



gracilis, (6) 252. 



intermedia, (6) 252 ; (19), 271. 



longicornis, (6) 252 ; (15) 136. 



Astacus gammarus, (15) 131. 

 A start e compressa, (15) 125. 



elliptica, (15) 125. 



sulcata, (15) 125. 



triangularis, (15) 125. 



Asterias glacialis, (15) 161. 



murrayi, (15) 161 ; (20) 111, 319, 324. 



rubens, (15) 161 ; (20) 311, 319, 326. 



spawning period of, (4) 216. 



var. attenuata, (20) 311, 319, 



324. 



Asterionella formosa, (9), 274, 282. 

 Asterocheres echinicola, (16) 270 ; (18) 

 399. 



lilljeborgi, (16) 270. 



violaceus, (16) 270 ; (20) 472. 



Asteromphalus atlanficus, (15) 297. 



heptactis, (15) 297, 298. 



ralfsianum, (15) 297. 



Asterope mariai, (8) 325 ; (15) 145 ; (20) 



497, 511, 517. 



teres, (5) 328 ; (15) 145. 



Astronyx loveni, (20) 313, 319. 

 Astropecten irregularis, (20) 307, 319, 



324. 



limicola, (7) 113 ; (15) 165. 



Astrorhiza arenaria, (19) 236, 257. 

 Atelecyclus heterodon, (6) 257. 



septemdentatus, (6) 257 ; (19) 279. 



Athdges paguri, (6) 251 ; (15) 136. 

 Atheresthes stomias, (18) 352. 

 Atherina hepsetus, eggs of, (9) 419. 



fishery for, in France, (9) 419. 



presbyter. See Smelt, sand. 



Atlantic water in North Sea, (12) 352. 

 Attheyella crassa, ,(12) 286, 288 ; (13) 188, 



244, 249 ; (14) 168, 239 ; (15) 320, 332; 



(16) 252, 260 ; (17) 140, 145, 148. 

 cryptorum, (11) 225, 227, 228, 229, 



236. 



cuspidatum, (16) 260. 



duthiei, (14) 239, 241 ; (17) 159, 164, 



183 189 



'macandrewa, (13) 249, 253; (14) 



168, 169. 



propinqua, (11) 227, 236. 



pygmcea, (12) 286; (13) 188, 244, 



249 ; (14) 168. 239 ; (15) 330, 331, 332 ; 



(16) 252, 260 ; (17) 140, 145, 150. 

 spinosa, (9) 272, 276 ; (11) 225, 227, 



229 236 



llwhoi'M, (13) 188, 244, 249; (14) 



