PLATE IX. 



PAGE 



Figs. 1-8. Diastylis horrida, n. sp., . . .55 



Fig. 1. Adult female, viewed from the right side ; magnified about twelve 

 diameters. 



Fig. 2. Same, seen from above. 



Fig. 3. Antennal segment, together with antennulse, antennas, and anterior lip, 

 seen from below. 



Fig. 4. Leg of first pair. 



Fig. 5. Leg of second pair. 



Fig. 6. Leg of third pair. 



Fig. 7. Leg of fifth pair. 



Fig. 8. Last caudal segment, together with telson and right uropod, seen from 

 above. 



Figs. 9-14. Diastylis erinaceus, n. sp., . . . 58- 



Fig. 9. Female, seen from the left side ; magnified about twelve diameters. 



Fig. 10. Same, seen from above. 



Fig. 11. Antennal segment together with left antennula and basal joint of right ; 

 seen from below. 



Fig. 12. Eight antenna, seen from below. 



Fig. 13. Same, seen from above. 



Fig. 14. Telson, seen from below. 



