PLATE III. 



Fiffs. 1-6. Serolis Antarctica. 



o"- 



Fig. 1. Male, dorsal surface. 



Fig. 2. Male, ventral surface. 



Fig. 3. Female, dorsal surface. 



Fig. 4. Sclerites and appendages in region of mouth, prepared by Ijoiling in caustic 

 potash. 



Fig. 5. Third thoracic appendage of male. 



Fig. 6. One of the ambulatory limbs. 



Figs. 7-13. Serolis gracilis. 



Fig. 7. Male, dorsal surface. 



Fig. 8. Female, dorsal surface. 



Fig. 9. Mandible, lower surface. 



Fig. 10. Maxillipede, lower surface. 



Fig. 11. One of last pair of thoracic appendages of male. 



Fig. 12. One of the hairs which fringe inner surface of distnl joints of same appendage; 

 more highly magnified. 



Fig. 13. One of the second pair of antennae. 



