328 



DISCOVERY REPORTS 



spawning had recently taken place and was not due solely to the choking of the meshes 

 of the net. The population at Sts. 796, 802 and 803, then, very probably belonged to the 



Fig. 21. Percentage of copepodite stages of Rhincalanus gigas in i-m. nets. South Atlantic Ocean east of 

 South Georgia, December 193 1 to January 1932. (See Table VI c.) 



same stock as the young forms at St. 778, which had grown into stage iii in the inter- 

 vening three weeks (18. xii. 31 to 7. i. 32). It seems to be quite a legitimate supposition 

 that nauplii and stages i and ii should have grown into stage iii in this short time. In 



