194 



ANNULATA. 



extends laterally as eleven pairs of pockets, of which th 

 eleventh is the longest. The crop opens into a sma^ 

 bilobed stomach and from this the intestine passes to th 

 anus. 



Fig. 122.- 



-A Nephridium of the Leech. 



(After Bourne.) 



a, The funnel ; /, the nephridiopore ; k, the bladder ; c — h^ various parts of tl 

 excretory portion. The cross lines AB, CD, EF and GH indicate the cross-sectior 

 shown on the left. 



The three jaws rasp a hole in the skin of the victim 

 the pharynx sucks the blood and passes it into the cro] 

 (the saliva is said to delay clotting of the blood). Fron 



