PARASITES OF THE DOMESTIC ANIMALS 



by cuticular ridges in the form of rings or spirals. Spicules unequal, 

 the longer several times the length of the shorter. Four pairs of preanal 

 papillae. Eggs containing embryos when oviposited. 



Subfamily Arduenninse, Railhet and Henry, 1911. 

 Type-genus Arduenna, Railliet and Henry, 1911. 



