

Plate XX. 



Figs. 

 1-8. 



Nogaus ambiguus T. Scott, <$ . (p. 78.) 





1. Dorsal view, x 13. 





2. Antennule. 





3. First maxilliped. 





4. Second maxilliped. 





5. Foot of first pair. 





6. Foot of second pair. 





7. Foot of third pair. 





8. Foot of fourth pair. 



9. 



Chondr acanthus annulatus Olsson. (p. 169.) 





9. Lateral view, $ , x 50. 



10. 



Chondracanthus merluccii (Holten). (p. 180.) 





10. Lateral view, $ , x 115. 



(Figures 2-8 much enlarged.) 



