92 THE FRESH- WATER CRAYFISH— THE CAPE CRAWFISH 



(c) The five pairs of walking legs. In the male there is a genital aperture 

 at the base of the fifth leg of each side. In the female the genital 

 apertures occur at the bases of the third legs. 



Fill. 29. — The Cape Crawfish or Kreeft (Ja-fiis lalandii). Greatly reduced. 



[d) The appendages of the abdomen. These are attached to the hinder 

 side of the sternum near its outer ends, and the part of the sternum 

 between each appendage and the adjoining pleuron is called an 

 epimeron. 



