246 
Fig. 1 
Fig. 2. 
Fig- 3 
Fig. 4 
Fig. 5 
Fig. 6 
Fig. ; 
Fig. 8. 
Fig. 9. 
Fig. 10. 
Fig. 11. 
Fig. i2, 
Fig. 14. 
Fig. 13. 
EXPLANATION OF PLATES 
Plate XVIII 
Cyclops nigeriae 9 
Female seen dorsally. x 84. 
Foot of fifth pair, x 440. 
Urosome. x 160. 
Anterior antenna, x 160. 
Posterior footjaw. x 240. 
One of the swimming feet, x 180. 
Outer branch of third pair ( ?). x 180. 
Cyclops vires cens 9 
bemale seen ventrally. x 120. 
Anterior antenna, x 240. 
Urosome and last thoracic segment, x 240. 
Foot of first pair, x 320. 
5 > t 6. Foot of second, third and fourth pairs, x 240. 
Foot of fifth pair, x 440. 
Last thoracic segment and first segment of urosome of 
male, x 240. 
