[ LIST OF ILLUSTRATIONS. 



FIG. PAGE 



30. Ventral aspect of a carabid beetle 72 



31. Various forms of antennae 75 



32. Legs and tarsi of beetles . . .' . . . . .... 76 



33. Metamorphosis of a beetle, Cyllene pictus .... 77 



34. Hypermetamorphosis of Epicauta cinerea .... 78 



35. Locust with external parts named 88 



36. Short-horned grasshopper 89 



37. Long-horned grasshopper 90 



38. Cricket-like grasshopper. . . 91 



39. Croton bug - 93 



40. Oriental cockroach 93 



41. Native cockroach 94 



42. Praying mantis 95 



43. Dapheromera femorata 96 



44. Giant waterbug 100 



45. Development of a cicada 103 



46. Front wing of an hemipter .......... 107 



47. Mouth parts of an hemipteron . . . . . . . . . 108 



48. Short-winged chinch bug . . . . . . . . , . . 113 



49. Soldier bug , . . . . . . . . . . 117 



50. Assassin bug . .... . . ...... .... 117 



51. Lepidopter wing to show scales . . ..... . 125 



52. A, front wing of monarch butterfly to show 



venation "...........126 



B, hind wing of monarch butterfly to show 



venation . . .... . . ... 126 



53. Head of a butterfly . . . .... . . . . . . . 127 



54. Adult of tomato worm . . . ; 128 



55. Sphinx moth at petunia flower 128 



56. Wing of moth to show jugum ' . . 129 



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



B, wing of butterfly to show frenulum substitute. 130 



58. Artificial ant nest : .... 143 



59. Thalessa linator ............... 151 



60. Pigeon horntail . ^ ... 152 



