cxp 



FIG. 37. Astacus fl-iiviatilis. Appendages of the left side of the abdo- 

 men ( x 3). A. the posterior face of the first appendage of the male ; 

 B, the same of the female ; C, posterior, and C', anterior faces of the 

 second appendage of the male ; D, the third appendage of the male : 

 E, the same of the female -, F, the sixth appendage, a, the rolled 

 plate of the endopodite ; ft, the jointed extremity of the same ; bp., 

 basipodite ; cx.p coxopodite ; en.p., endopodite ; ex. p., exopodite. 



