Parasites 5 



its body to a surprising degree, loses the cephalic 

 armature, and becomes capable of propagation ^. 



i 



1 







^ D 



^H 



r^ fc. r^ M 





's^ § g 



y5 '^ O ^ 



•;5 ^ "^ '2 



0.2P . t:! 



1 r- "* 



A nematoid worm (figs. 2, 3) which we have found in 

 Chironomus is hard to identify, but it appears to be 



' We have seen Chironomus-larvae, 2>ointecl out to us by Mr. T. H. 

 Taylor, in which tlie worm escaped through one of the anal feet. 



