PLATE VIII. 



Figs. 1, 2. SeROLIS long ICAUD ATA. 



Fig. 1. Male, dorsal surface. 



Fig. 2. Male, ventral surface ; both figures enlarged about four diameters. 



Figs. 3-5. Serolis septemcarinata. 

 Fig. 3. Third thoracic appendage of male, left side. 

 Fig. 4. Base of penultimate joint of same appendage. 

 Fig. 5. One of the ambulatory limbs. 



Figs. 6-16. Serolis pallida. 



Fig. 6. Antenna of second pair. 



Fig. 7. Antenna of first pair. 



Fig. 8. Two joints of the filament with sensory hairs ; more highly magnified. 



Fig. 9. Mandible of left side, lower surface. 



Fig. 10. Terminal portion of left side ; more highly magnified. 



Fig. 11. First maxilla of right side. 



Fig. 12. Maxillipede of left side, lower surface. 



Fig. 13. One of the second pair of thoracic appendages. 



Figs. 14, 15. Spines from inner surface of penultimate joint of same appendage; more 

 highly magnified. 



Fig. 16. Third thoracic appendage from right side of male. 



