MITES OF LOWEE ANIMALS. 



57 



at the extremities of the feet, and in the clothing of all the 

 feet with small hairs. The crusts in which the animal was 



Fig. 5. 



Fig. 4. 



Sarcoptes Ovis. 

 from above. 



Sarcoptes Ovis, 

 from beneath. 



found, had already lain for a long time, and consequently only 

 dead animals, filled with fat or with Favus-fungi, were seen. 

 The animal was oval, had a prominent conical head and a 

 rounded hinder part; it was O116 O252 mill. = ^V iV" in 

 length, and at the lower extremity of the cephalothorax, 0-084 

 0-132 mill, in breadth. The cephalothorax widens behind, and 

 extends somewhat beyond the abdomen laterally, in the form of 

 a pilgrim's collar ; the brittle skin exhibits a regular undulatory 



