LIST OF ILLUSTRATIONS. 



FIG. 



30- 

 31- 

 32- 

 33- 

 34- 

 35- 

 36. 

 37- 

 38. 



39- 

 40. 



41- 

 42. 



43- 



44. 



45- 

 46. 



47- 

 48. 



49- 

 SO. 

 SI- 

 52- 



S3' 

 S4- 

 SS- 

 56. 

 S7- 



S8- 

 S9- 

 60. 



Ventral aspect of a carabid beetle 72 



Various forms of antennae ... • • 7S 



Legs and tarsi of beetles . . ... . . 76 



Metamorphosis of a beetle, Cyllene pictus 77 



Hypermetamorphosis of Epicauta cinerea . 78 



Locust with external parts named 88 



Short-horned grasshopper ... .... 8g 



Long-homed grasshopper . 90 



Cricket-like grasshopper. . . ... 91 



Croton bug ... . . -93 



Oriental cockroach . ... 93 



Native cockroach .... . . . 94 



Praying mantis . . 95 



Dapheromera femorata ... . 96 



Giant waterbug . . . 100 



Development of a cicada . . 103 



Front wing of an hemipter ... . . 107 



Mouth parts of an hemipteron . . .108 



Short-winged chinch bug 113 



Soldier bug .. . -117 



Assassin bug . . . . 117 



Lepidopter wing to show scales . .... 125 



A, front wing of monarch butterfly to show 

 venation .... . . . ; . 126 



B, hind wing of monarch butterfly to show 

 venation ... .... . .126 



Head of a butterfly . . . . . 127 



Adult of tomato worm .... . ... 128 



Sphinx moth at petunia flower 128 



Wing of moth to show jugum . . . . 129 



A, wing of moth to show frenulum . . . . 130 



B, wing of butterfly to show frenulum substitute. 130 



Artificial ant nest 143 



Thalessa linator 151 



Pigeon horntail . .152 



