152 



RHYTHM 



Fig. 52. View of female Cyclops sp., a typical Copepod. Magnified. After 

 Hartog. 1. 1st Antenna. 2, 2nd Antenna. 3. Eye. 4. Ovary. 5. Uterus, 

 i.e. pouch of the oviduct into which the eggs pass before being shed. 6. Ovi- 

 duct. 7. Spermatheca or pouch for receiving the spermatozoa of the male. 

 8. Egg-sacs. 9. Caudal fork. 10. Position of anus. 11. A segment, bearing 

 the genital opening. 



