vi ILL USTRATIOXS. 



Fig. 16. Red Hen-Mite (Dermanyssus avium). 



17. Lung-Mite (Cytodites nvdus). 



18. Skin-Mite (Symplectoptes cysticola). 



19. Typical Cestode Worm (Tamia). 



20. Embryo Cestode and egg. 



21. Bladder-worm (Cysticercus type). 



'2'2. Gape-worm or Forked Worm (Synyamus 



tracheal is). 

 '2?). Favus Fungus [Achorion Schonleinii). 



