PLATE III. 



Figs. 1-6. Serolis Antarctica. 



Fis. 1. Male, dorsal surface. 



Fig. 2. Male, ventral surface. 



Fig. 3. Female, dorsal surface. 



Fio-. 4. Sclerites aud appendages in region of mouth, prepared by boiling 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. 



Fis. 8. Female, dorsal surface. 



Fig. 9. Mandible, lower surface. 



Fig. 10. Maxillipede, lower surface. 



Fig. 1 1 . One of last pair of thoracic appendages of male. 



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

 more highly magnified. 



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



