52 



CLINICAL DIAGNOSTICS. 



Fig. 8. 



Hacmatopinus cqui. 

 Blood-sucking Louse. 



fig. 9, 



Trichodcctcs cqui. 

 Scale-eating Louse. 



Fig. 10 



Figr. 11. 



Symbiotcs bovis. Psoroptcs communis. 



Ventral side. Ventral surface, Egg in Oviduct. 



