110 PRACTICAL ZOOLOGY 



is a bug, but only those belonging to the order Hemiptera arc 

 true bugs. 



REFERENCES 



Entomology, by J. H. Comstock. Ithaca, N. Y. 



American Insects, by V. H. Kellogg. Henry Holt and Co., N. Y. City. 

 Elementary Entomology, by Sanderson and Jackson. Ginn and Co., 

 Boston. 



