XIV 



LIST OF FIGURES 



FIG. 



SC- 



32- 



33- 

 34- 

 35- 

 36- 

 37- 

 38- 

 39- 

 40. 



41. 



42. 



43- 



44- 



45- 



46. 



47- 

 48. 

 49. 

 SC- 

 S2. 



S3- 



54- 



SS- 

 56- 



57- 



Diagram shewing the corresponding stages in the hfe-cycle 



of Anopheles and Culex ...... 63 



Anopheles maciilipennis. 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 



Anopheles maculipennis S, captured in Cambridge, shewing 



acarine parasites attached to the body . . . 73 



Anopheles bifurcatus ....... 80 



Anopheles [Patagiamyia) gigas ...... 82 



Anopheles [Myzorhynchus) barbirostris .... 84 



Anopheles (Myzomyia) listoni ...... 86 



Anopheles [Pyretophorns] neavei ..... 88 



Anopheles [Nyssorhynchus) maculatus .... gi 



Anopheles (Cellia) pulcherrimus ..... 93 



Diagrammatic representation of the life-cycle of the 



parasite of pernicious malaria . . . . . 130 



Photomicrograph of sporozoites of malaria from salivary 



glands oi Anopheles (Pyretophorus) costalis . . . 135 

 Breeding places of Anophelines. Railway cutting at 



Kurunegala . . . . . . . . 137 



Breeding places of Anophelines. Flooded Paddy Fields 



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



Indian fish of utility as mosquito-destroyers. A (,^) and 



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



Indian fish of utility as mosquito-destroyers. A , Haplochilns 

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

 ciatus . . . . . . . . . 152 



Stegomyia fasciata, adult female ..... 166 



Stegomyia fasciata, adult taale ..... 168 



Distrihution ot Stegomyia fasciata ..... 169 



'Larva and pupa oi Stegomyia fasciata . . . . 174 



Approximate distribution of Yellow Fever . . . 179 



Distribution of Dengue . . . . . . . igi 



Distribution of Culex fatigans . . . . . . 193 



Stomach of Culex shewing large numbers of the sporocysts 



of Plasniodimn pfcecox on its walls . . . . 199 



Microfilaria;' of F . bancrofti emerging from the uterus of the 



parent filaria ........ 207 



Filaria bancfofti. Stages in development within mosquito 211 

 Head and proboscis of Stegomyia pseudoscutellaris, 15 days 

 after feeding, shewing two filarije lying in the head and 

 three in the proboscis . . . . . . 213 



A , view of the heart of a dog infested with Filaria immitis ; 

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

 length ......... 220 



