PLATE VII. 



Fig. 1. Serolis pallida, iemah ; magnified two diameters. 



Figs. 2-7. Serolis mindta. 



Fig. 2. Male ; maguified about nine diameters. 



Fig. 2'. Abdominal sterna and appendages ; b, peuial filament. 



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



Fig. 4. Antenna of first pair. 



Fig. 5. Antenna of second pair. 



Fig. 6. One of the ambulatory limbs. 



Fig. 7. Spines fringing the penultimate joint of the second thoracic appendage. 



Fis;s. 8-10. Sekolis longicaudata. 

 Fig. 8. Sterna of last thoracic and three first abdominal segments. 

 Fig. 9. Antenna of first pair. 

 Fig. 10. Antenna of second pair. 



