of the Fishery Board for Scotland. 
Specific gravity observations, (7) 429. 
gravity of pelagic eggs, (17) 116. 
Sperms of common mussel, (5) 250. 
Spey Bay, trawling investigations in, 
(20) 104. 
Spherium corneum, (8) 336; (9) 271, 285 ; 
(15) 320; (17) 159, 185. 
lacustre, (8) 338; (9) 276. 
Spheroma curtum, (15) 135. 
—— rugicauda, (8) 329; (15) 317. 
Spheronella abyssi, (22) 254. 
acanthozonis, (22) 254. 
—— affinis, (22) 254. 
anmyphilocht, (22) 242, 253. 
aore, (23) 150. 
antillensis, (22) 254. 
argisse, (22) 254. 
atyli, (22) 225. 
bonnieri, (22) 225. 
caliopit, (22) 225. 
callisome, (22) 242, 252. 
capensis, (22), 255. 
chinensis, (22) 225. 
cluthe, (22) 242, 252. 
curtipes, (22) 253. 
danica, (22) 253. 
decorata, (22) 253. 
dulichie, (22) 253. 
elegantula, (22) 253. 
Srontalis, (22) 253. 
giardii, (22) 253. 
gitanopsidis, (22) 253. 
holbolli, (22) 253. 
imsignis, (22) 253. 
intermedia, (22) 253. 
irregularis, (22) 253. 
leptocheira, (22) 253. 
longipes, (22) 253. 
margimata, (22) 253. 
messinensis, (22) 253. 
metopee, (22) 253. 
microcephala, (22) 253. 
minuta, (22) 242, 251 ; (23) 141. 
munnopsidis. (22) 253. 
—— paradoxa, (22) 242, 251. 
—-— pygmed, (22) 242, 253. 
vararensis, (23) 141. 
Sphyrion lumpi, (19) 128 ; (28) 113, 114. 
Spirialis retroversus, (7) 3265. 
Spirillina arenacea, (7) 314. 
—— foliacea, (7) 311. 
—— vivipara, (8) 316. 
—-- perforata, (8) 316. 
Spirling. See Smelt. 
Sptroloculina canaliculata, (15) 165. 
—— limbata, (15) 165. 
—— planulata, (16) 274. 
Spirontocaris cranchii, (15) 132. 
—— gaimardii, (15) 132. 
—— pusiola, (16) 156, 157, 209 ; (17) 279; 
(20) 480. 
—— securifrons, (15) 132; (18) 403; (19) 
278 ; (20) 516, 535, 537. 
Spiropagurus hyndmanni, (6) 258. 
—— levis, (6) 258. 
Spirorbis borealis, (15) 157. 
Spisula solidissima, (7) 341. 
Spongilla fluviatilis, (17) 156. 
Spotted ray. See Ray, homelyn. 
Sprat (Clupea sprattus), (18) 288. 
WEEE 
aera [aa 
241 
Sprat, age of, (22) 180. 
and winter herring, 
natural history of, (23) 164. 
as food for herrings, (6) 228. 
—-—- as food for turbot and brill, (21) 
52. 
—— as ‘“‘ sardines,” (10) 162. 
—— in trawl-net, (8) 177; (21) 67. 
—— destruction of young herring in 
fishing for, (2) 57; (23) 156. 
—— difference of larval, from larval 
herring, (6) 304. 
—— distinctions from herring, (2) 48; 
(4) 100. 
distribution of, (21) 67. 
—— distribution of eggs of, (15) 234. 
of eggs of, in Firth of Clyde, 
(15) 249. 
—— eggs of, (6) 304; (7) 305 ; (8) 285. 
—— eggs of, Hensen’s observations on, 
(6) 304. 
—— fecundity of, (9) 268; (22) 28. 
—— food of, (20) 532. 
—W— fishery in Firth of Forth, regulation 
of use of seine in, (18) 244. 
in Firth of Tay, (25) 156. 
tishing, (2) 57; (4) 205. 
proportion of young herring 
taken in, (23) 157. 
—— growth of, (4) 100; (22) 171. 
—— mature and immature, (8) 177. 
—— maturity of, (2) 55, 56. 
—— method of preparation 
** sardines,” (5) 218. 
—— on coast of France, (10) 162. 
—— parasites of, (18) 161; (19) 127. 
preyed on by herrings, (4) 126. 
-—— proportion of, in ‘‘ whitebait,” (4) 
notes on 
of; 2 as 
relation of length to weight of, (22) 
144, 148, 238. 
—— ripe ovaries of, (22) 285. 
—— size at maturity, (22) 181. 
—— skeleton of, (5) 291. 
—— spawning period of, (2) 56; (4) 253; 
(15) 234 ; (21) 67; (22) 172. 
spawning places of, (15) 235. 
Squids, capelin attacked by, (3) 68. 
herrings attacked by, (3) 67. 
—— injuries to hooked fishes by, (4) 204. 
— mackerel attacked by, (3) 68. 
—— note on an extra large specimen of, 
(6) 264. 
sparling attacked by, (3) 68. 
Star-fish, emigration of amzboid cor- 
puscles in, (6) 280. 
Star-fishes, depredations of, (4) 204. 
—— injurious to line-caught fish, (10) 
299. 
Starry ray. See Ray, starry. 
Statistics, fishery, charts showing pro- 
portional distribution of fish, (20) 89. 
—— —— comparison of drags of trawl 
from different grounds, (20) 80. 
--— —— comparison of, for different 
areas of North Sea, (20) 82. 
discussion on, (20) 75. 
—— —— imperfections of, (20) 75. 
— — influence of change of ground 
on, (20) 83. 
