Illustrations xiii 



PAGE 



Fig. 55- Eggs, larvjs and pup2e of mosquitoes (T. inci- 



dens) * * 78 



Fig. 56. Larva of mosquito (T. incidens) 78 



Fig. 57. Mosquito larvae and pup,e (T. incidens) .... 79 



Fig. 58. Anopheles larvae (A maculipennis) 79 



Fig. 59. Mosquito pup^e (T. incidens) 80 



Fig. 60. Mosquito pupa (T. incidens) 80 



Fig. 61. Mosquito larvae and pup^e (T. incidens) .... 80 



Fig. 62. A female mosquito (T. incidens.) 81 



Fig. 63. A male mosquito (T. incidens) 81 



Fig. 64. Head and thorax of female mosquito (Ochlero- 



tatus lativittatus) 82 



Fig. 65. Head and thorax of male mosquito (O. lativitta- 

 tus) 82 



Fig. 66. Head of female mosquito 83 



Fig. 67. Cross-section of proboscis of female and male 



mosquito 83 



Fig. 68. Wing of mosquito (O. lativittatus) 86 



Fig. 69. End of mosquito wing highly magnified ... 86 

 Fig. 70. Diagram to show the alimentary canal and 



salivary glands of a mosquito 87 



Fig. 71. Salivary glands of mosquitoes 87 



Fig. 72. Heads of culicin^e mosquitoes 90 



Fig. 73. Heads of anophelin^e mosquitoes 90 



Fig. 74. Wing of Anopheles maculipennis 90 



Fig. 75. Wing of Theobaldia incidens 90 



Fig. 76. A non-malarial mosquito (T. incidens), male, 



standing on the wall 91 



Fig. 77. Female of same 91 



Fig. 78. A malarial mosquito {A. maculipennis), male, 



standing on the wall 91 



Fig. 79. Female of same 91 



Fig. 80. Egg of Anopheles, side view 92 



Fig. 81. Egg of anopheles, dorsal view 92 



Fig. 82. Anopheles larvae 92 



Fig. 83. Anopheles larvae 93 



Fig. 84. Anopheles larva, dorsal view 93 



