DEVELOPMENTAL PHASES 363 



presented here. It was possible to give the diagnostic characters of the later stages in Table 8 from 

 laboratory notes made at the time of sorting. 



First furcilia. Six specimens were found and one was measured and examined (Fig. i$a-g). The 

 length was about 3 mm. 



0-5mm 



Fig. 14. Euphausia lucens. a, third calyptopis, lateral view; b, telson of same; 

 c, third calyptopis, dorsal view. 



The anterior margin of the carapace is serrated and the frontal plate is broader than long. The 

 posterior margin of the carapace is slightly produced as a dorsal spine and there is a conspicuous 

 denticle on the inferior margin toward the posterior end. 



The pigmented eyes are no longer covered completely by the carapace. 



The basal segment of the first antennal peduncle bears, on its outer margin, a strong toothed spine 

 reaching to the end of the third segment. The two rudimentary flagella are present on the third 



segment and they bear three and four spines respectively. 



4-2 



