PAEASITIC ACARI. 



231 



occurring on Cricetomys gamhianus. In the latter species of 

 mite there is a slender striated tube on each side running almost 



Fig. 2. 



the entire length of the body (see fig. 2). Each tube curves 

 several times and finally terminates as a small coil, becoming 

 greatly narrowed and apparently opening through a stigmal 



