of the Fishery Board for Scotland. 



241 



Specific gravity observations, (7) 429. 



gravity of pelagic eggs, (17) 116. 



Sperms of common mussel, (5) 250. 

 Spey Bay, trawling investigations in, 

 (20) 104. 



Sphcerium corneurx, (8) 336 ; (9)271, 285 ; 



(15) 320; (17) 159, 185. 

 - — lacustre, (8) 338 ; (9) 276. 

 Sphxroma curium, (15) 135. 

 - — rugicanda, (8) 329 ; (15) 317. 

 Sphceronella abysst, (22) 254. 



acanthozonis, (22) 254. 



affinia, (22) 254. 



ampkUochi, (22) 242, 253. 



aone, (23) 150. 



antillensis, (22) 254. 



argissce, (22) 254. 



atijli, (22) 225. 



bonnieri, (22) 225. 



caliopii, (22) 225. 



ccUUsonue, (22) 242, 252. 



capensis, (22), 255. 



chijb&nsis, (22) 225. 



cluthce, (22) 242, 252. 



curtipe*, (22) 253. 



daiiica, (22) 253. 



decorata, (22) 253. 



dulichiai, (22) 253. 



elegant iila, (22) 253. 



frontalis, (22) 253. 



giardii, (22) 253. 



gitaiiopxidi*, (22) 253. 



holbolli, (22) 253. 



insignia, (22) 253. 



intermedia, (22) 253. 



irregularis, (22) 253. 



leptocheira, (22) 253. 



longipes, (22) 253. 



marginata, (22) 253. 



messinensis, (22) 253. 



metopaz, (22) 253. 



microcephala, (22) 253. 



minuta, (22) 242, 251 ; (23) 141. 



miinnopsidis. (22) 253. 



paradoxa, (22) 242, 251. 



pygmcea, (22) 242, 253. 



vararensis, (23) 141. 



Sphyrion lumpi, (19) 128 ; (23) 113, 114. 

 Spirialis retroversu-s, (7) 325. 

 Spirillina arenacea, (7) 314. 



foliacea, (7) 311. 



vivipara, (8) 316. 



perforata, (8) 316. 



Spirling. See Smelt. 

 Spiroloculina canalicidata, (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. 



kevis, (6) 258. 



Spirorbis borealis, (15) 157. 

 Spistda solidissima, (7) 341. 

 Spongilla flumatilis, (17) 156. 

 Spotted ray. See Ray, homelyn. 

 Sprat {Clupea sprattus), (18) 288. 



Sprat, age of, (22) 180. 



and winter herring, notes on 



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. 



fecunditv of, (9) 268 ; (22) 285. 



food of, (20) 532. 



fishery in Firth of Forth, regulation 



of use of seine in, (18) 244. 



in Firth of Tay, (23) 156. 



fishing, (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 of, as 



"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) 



98. 



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 amoeboid 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. 



