XIV 



LIST OF FIGURES 



FIG. PAGE 



30. Diagram shewing the corresponding stages in the life-cycle 



of Anopheles and Culex ...... 63 



31. AnopheUs maculipennis. A, side view and B, dorsal view 



of egg ; C, young larva and D, fully-grown larva ; 

 E fiabellum, or flap overhanging base of certain thoracic 

 hairs ; F, a palmate hair ; G, ventral view of head of 

 fully-grown larva ....... 65 



32. Anopheles maculipennis ^, captured in Cambridge, shewing 



acarine parasites attached to the body • • • 73 



33. Anopheles bifurcatus ....... 80 



34. Anopheles {Patagiamyia) gigas ...... 82 



35. Anopheles (Myzorhynchus) barbirostris .... 84 



36. Anopheles {Myzomyia) listoni ...... 86 



37. Anopheles (Pyreiophorus) neavei ..... 88 



38. Anopheles {Nyssorhynchus) maculatus .... 91 



39. Anopheles {Cellia) pulcherrimus ..... 93 



40. Diagrammatic representation of the life-cycle of the 



parasite of pernicious malaria . . . . . 130 



41. Photomicrograph of sporozoites of malaria from salivary 



glands oi Anopheles (Pyreiophorus) costalis . . . 135 



42. Breeding places of Anophelines. Railway cutting at 



Kurunegala . . . . . . . . 137 



43. Breeding places of Anophelines. Flooded Paddy Fields 



in Ceylon ......... 139 



44. Indian fish of utility as mosquito-destroyers. A ((J) and 



B {^) , Lebias dispar ; C, Nuria danrica . . . 150 



45. Indian fish of utility as mosquito-destroyers. A , Haplochilus 



panchax ; B, Ambassis ranga; C. Trichogaster fas- 



ciatus ......... 152 



46. Stegomyia fasciata, adult female . . . . . 166 



47. Stegomyia fasciata, aidult male ..... 168 



48. Distrihwtion oi Stegomyia fasciata . . . . 169 



49. 'Laxva and -pwpdi oi Stegomyia fasciata . . . . 174 



50. Approximate distribution of Yellow Fever . . . 179 



51. Distribution of Dengue . . . . . . . 191 



52. Distribution of Culex fatigans ...... 193 



53. Stomach of Culex shewing large numbers of the sporocysts 



of Plasmodium prcecox on its walls . . . . 199 



54. Microfilariae of F. bancrofti emerging from the uterus of the 



parent filaria ........ 207 



55. Filaria bancrofti. Stages in development within mosquito 211 



56. Head and proboscis of Stegomyia pseudoscutellaris , 15 days 



after feeding, shewing two filarise lying in the head and 



three in the proboscis . . . . . . 213 



57. A , view of the heart of a dog infested with Filaria immilis ; 



B, a female worm removed from the heart to shew its 

 length ......... 220 



