PLATE XXIV. 



[Photo-micrograph by A. Scott. 



Fig. 1. — The Copepod Calanus finmarchicus from the West Coast 

 of Scotland. X 20. 



Fig. 2. — Pliotograph of large hauls (about 1,000 c.c. in a jar) of Calanus, 

 taken from the yacht " Runa " in 1913 on the West Coast of Scotland, 

 with the large "Nansen" net shown. The largest haul was esti- 

 mated to contain at least half a million individuals. 



