4 
Contents. 
XII. On the Growth and Age of the Herring (Clupea harengus). By 
T. Wemyss Fulton, M.D., F.R.S.E. (Plates X VII.-XTX.), 
ibs 
SI oT Gots 
feo} 
Previous Opinions and Observations, 
(a) English Authors, 
(6) Scandinavian and Dutch, 
(c) Meyer and Jenkins, : 
(d) Masterman and Cunningham, . 
. The Size of the Herring when it first attains Matunity, 
The Maximum Size attained by the Herring, 
The Spawning-Periods of the Herring, : 
The Duration of Embryonic Development : : Rela- 
tion to Temperatur e, 
. A Criticism of Meyer’s Conclusions and Observ. ations, 
. The Scottish Collections, 
(a) Larval and Post- larval Stages, 
(b) The Annual Gr oupe, 
. Conclusions, . 
. Literature, 
. Description of Plates, 
PAGE 
293 
293 
294 
295 
298 
299 
301 
302 
303 
304 
307 
308 
323 
334 
338 
338 
