General Index. 

 T. 



Tabanidoe, 4. 



Tceniorhynchus, eggs of, 7 ; larva of, 9 ; wing scales of, 17, 18. 



Tarsal joints, 14, 33. 



Tarsal segments, 14, 30, 33. 



Test-pool experiment, 52. 



"Iheobald, classification of mosquitoes, 5 ; of "anopheles," 18, 19, 20, 21, 63, 64, 65, 



97, 100, 103, 112, 114 ; differentiation of species, 62. 



Thorax of larvae, 10 ; of adult insect, 13, 14 ; examination of, 29 ; scale structure, 18 

 Tibia, 14. 

 Tipulidce, 4, 5. 

 Tracheae of larvae, 8, 12. 

 Transverse veins, 15, 29, 62. 

 Trochanter, 14. 

 Tsetse flies, 4. 



Tube for preserving mosquitoes, 27. 

 Tuft, frontal, 29. 



u. 



Ungues, mounting of, 28 ; examination of, 30. 



V. 



Veins of wings, arrangement of, 4, 14. 

 Variation, 62 ; in frontal hairs of larvae, 37. 

 Varieties, 60, 66. 



w. 



Warble flies, 4. 



Whorl organs, 10, 35. 



Wild species of "anopheles," 24, 53. 



Wing, fringe, 16 ; markings, 29 ; scales, 17, veins, 14 ; mounting of, 28. 



Winter, methods by which mosquitoes tide over, 44. 



130] 



