VIU ILLUSTRATIONS. 



Tortoise Beetles 55 



Two-striped Locust 44, 45 



Western Corn-root Worm 17 



Wheat-head Army-worm 38 



Wheat-straw W^orm 35 



White-marked Tnssock Moth 96 



Yellow-necked Apple-tree Caterpillar 08 



Note. — The straight line by the side of an insect illustration indicates the natural 

 size of the insect; whore this line is wanting, and it is not otherwise stated to be en- 

 larged, the cut is of the natural size of the Insect. 



