238 
Sim, Mr Geo., (4) 102, 210. 
Simocephalus vetulus, (9) 277, 282, 283, 
290 ; (13) 245, 250; (15) 321 ; (16) 252 ; 
(17) 138, 140, &e. 
Simpson, Capt. R. E., (9) 8, 21, 184, 269 ; 
(10) 7, 23, 244. 
Sinclair Bay, trawling investigations in, 
(20) 94. 
Sipho gracilis, (15) 118. 
Siphonodentalium lofotense, (15) 123 ; (19) 
236. 
Siphonostoma typhle. See Pipe-fish, broad- 
nosed. 
Siphonecetes colletti, (8) 328 ; (19) 266; 
(20) 511. 
—— crassicornis, (11) 215. 
—— typicus, (8) 328. 
Sira-plankton, characters of, (15) 302. 
Siriella armata, (4) 162; (7) 323; (15) 
134; (16) 158, 160, 209; (18) 404; (19) 
277; (20) 480 ; (22) 257. 
—— brooki, (4) 162; (15) 134. 
—— clausii, (4) 160; (15) 134; (18) 404. 
—— crassipes, (4) 161; (6) 254, 255. 
—— jaltenses, (16) 158, 160, 209. 
-—— norvegica, (4) 161; (7) 3273 (15) 
167 ; (17) 268. 
Sixerns, boats, (10) 204. 
Size of mature and immature fish, (8) 163. 
Skate, blue. See Skate, grey. 
—— digestion in, (2) 40. 
—— flapper (Raia macrorhynchus), (15) 
168; (18) 292. 
grey or common, (Raia batis), (9) 
306, 310; (18) 292. 
——— —— cranial nerves of, (7) 384. 
—_— —— development of, (8) 15, 300. 
—_— —-— “‘electric” organs in, (6) 277. 
a= = food of, (20) 4 8i,¢080: 
migrations of, (11) 191. 
—— —— parasites of, (18) 156, 164, 170, 
171, 180; (19) 130, 151. 
proportion of sexes in, (21) 
230. 
size at maturity, (10) 238. 
long or sharp-nosed (Raia oxyrhy- 
nchus) (18) 292. 
Skate-leech, (19) 141. 
Skates, breeding and spawning periods 
of, (8) 301. 
“electric”? organs of, (6) 277. 
—— feeding on herrings, (4) 103. 
food of, (7) 231, 234, 236, 237, 239, 
251; (8) 231, 244, 249, 250, 251, 253, 
255, 256; (9) 232, 235-237, 239-241 ; 
(10) 228, 231. 
mature and immature, (8) 172. 
—— parasites of, (19) 141. 
—— relative number of sexes in, (21) 229. 
Skates and Rays, distribution of adult 
and immature, (8) 172. 
—— —— proportion of males to females, 
(8) 349. 
Skeletal structures of fishes, lines of 
growth in, (23) 125. 
Skeletonema costatwm, (15) 213, 214. 
Skenea planorbis, (15) 119. 
Skulpin. See Dragonet, gemmeous. 
Small-meshed net around  trawl-net, 
description of, (19) 60. 
Part W1—Twenty-third Annual Report 
Smelt or sparling (Osmerus eperlanus), 
(18) 287. 
—— attacked by squids, (3) 68. 
—— eggs of, (16) 91. 
—— fecundity of, (9) 267. 
—— greater silver (Argentina silus), 
occurrence of, in North Sea, (19) 286 ; 
(20) 540 ; (21) 27. 
—— spawning period of, (4) 252. 
—— —— food of, (21) 224. 
—— Hebridean. See Smelt, lesser silver. 
—— lesser silver (Argentina sphyrena), 
(18) 287 ; (19) 285. 
—— —— eggs of, (19) 286. 
—— —— food of, (20) 487, 528 ; (21) 223. 
— spawning period of, (19) 286. 
—— sand- (Atherina presbyter), (4) 232; 
(15) 110; (18) 280. 
—— —— food of, (20) 486, 504. 
—— —— spawning period of, (4) 245. 
Smith, Mr Anderson, (7) 384, 385, 392 ; 
(8) 17, 360; (9) 13, 16, 187, 268, 269, 
297, &c. 
—— Dr W. Ramsay, (7) 9, 222; (8) 
12, 23, 230; (9) 12, 21, 177, 222, 352 ; 
(10) 18, 23, &e. 
Prof. Sidney J., (6) 302. 
Smith Bank, (11) 9. 
--—— spawning plaice on, (8) 259. 
— trawling investigations at. 
Trawling investigations. 
Smittia reticulata, (15) 156. 
Smooth dab. See Dab, lemon. 
Socarnes vahli, (14) 158. 
Soft lobster, characters of, (23) 94. 
Solaster endeca, (15) 161; (20) 310, 319, 
324. 
—— papposus, (7) 347; (15) 161; (20) 
310, 319, 324. 
Sole, common or black (Solea vulgaris), 
(48) 286. 
Cunningham on, (9) 390. 
—— —— on east coast of Scotland, (21) 
32, 54, 229. 
= distribution of, (15) 2 eis) 
359 ; (21) 54. 
eggs of, (7) 304 ; (16) 91, 114, 115. 
—— —— in Clyde, (15) 250. 
—— fecundity of, (9) 266. 
—— food of, (7) 236; (9) 390; (20) 528. 
—— growth of, (9) 391. 
—— hatching of, (12) 11. 
—— natural history of, (9) 390. 
—— parasites of, (18) 146, 165 ; (19) 121, 
139, 142; (23) 108. 
—— pathological conditions of, (12) 294. 
—— rearing of, in ponds, (9) 391. 
—_— spawning grounds of, in Irish Sea, 
(13) 334. 
—— —— period of, (4) 251; (7) 190, 
385; (8) 265; (9) 390. 
—— —— period of, at Marseilles, (8) 
372. 
——lemon. See Dab, lemon. 
—— little, or solenette (Solea lutea), (18) 
287. 
distribution of, (21) 53. 
—— specific gravity of eggs of, (7) 386. 
—— ——- eggs of, (14) 223; (16) 91, 114, 
115 ; (17) 82, 83, 93, 96. 
See 
