80 STATE BOARD OF AGRICULTURE. 



H^JMATOPINUS Leach. 



H. piliferus Burm. Sucking louse of the dog. 



H. eurysternus Nitzsch. The " short-nosed " ox-louse. 



H. vituli Linn. The "long-nosed" ox-louse. 



H. urius Nitzsch. The " Hog-louse ". 



Other species of these lice occur on mice, squirrels and other animals found 

 in the State ; but these have not been collected. 



