PLATE LXXXVI 



Figure 1. Transverse section through an intestinal diverticulum 

 of Argas persicns, in a late stage of digestion. 



Figure 2. Transverse section through the salivary gland of 

 Argas persicns, $ , showing the different types of 

 cells. 



Figure 3. Genital organs of Argas persicus, 3 . 



Figure 4. Salivary duct and lobules of Hyalomtna aegvptium, 

 ?. 



Figure 5. Section through a diverticulum of Argas persicus, 

 showing a small portion enlarged. Note the large cell 

 being extruded, and the smaller cells ready to replace it, 



Figure 6. White gland of Argas persicus, 3 . 



