35° DISCOVERY REPORTS 



Third calyptopis. Six specimens examined (Fig. 6a-c). Length range 179-2-22 mm.; average 

 length 1-90 mm. Carapace length ±0-97 mm. 



The carapace is a little longer than half the total length of the larva. At this stage a small but dis- 

 tinct tooth appears on the inferior margin of the carapace toward its posterior end. The carapace 

 covers the compound eyes which are now globular and distinctly pigmented. 



0-25mm 



0-5mm 



Fig. 6. Nyctiphanes capensis. a, third calyptopis, lateral view ; b, telson of same ; 

 c, third calyptopis, dorsal view. 



The outer, distal margin of the basal segment of the first antennal peduncle is produced as a strong, 

 toothed spine which reaches to about the distal end of the third and last segment of the peduncle. The 

 two rami of the first antennae remain unaltered. 



The second antennae and the other thoracic appendages are much the same as in the preceding 

 stage. 



