ANIMAL PARASITES 



165 



fact that at least four of them can find ample 

 standinq--room on the space occupied by the head 

 of a pin. This parasite, like that of the humble- 



Fig. loS. One of the pincer-like organs of the 

 [jarasite of the beetle, holding a delicati- lilire 



bee, is possessed ot a j)air of pincerdike organs on 

 its head, one of which is shown greatly magnified 

 in Fig. loS. 



As a concluding ilkistrated example (jt insect 

 parasites we can perhaps find no commoner insect 

 as a host than the common housed}', which every 

 one ma\" capture who desires to sttuly its parasitic 



