bresent classification and generic synonymy, and notes on 

 with malaria. 



Transmission experi- 

 ments. 

 Cycle observed of — 

 M.T. Malignant tertian, 

 s.T. Simple tertian, 



Q. Quartan ; 

 of z, to zygote stage, 

 and S, to sporozoite 

 stage 



Observations regarding 

 transmission in nature. 



(z) Zygote and 



(s) Sporozoite stage 



observed 



Darling, s.x. Darling, (x) 

 (s), M.T. (s) 



Staunton, M.T. Staunton, (z) 



Ed.&Et.Sergent,(s) 



Epidemiological 

 evidence of 

 transmission 



Daniels, ( + ) ? 

 Christophers 



(+) ? 



James, Staun- 

 ton, ( + ) 



Remarks 



= A. albirostris Theobald (?). 

 ^=A. formosaensis II Tsuzuki. 

 Forest and jungle species biting by day 

 like a Stegomyia. 



Commonest carrier in Central and Tropi- 

 cal S. America. 70 % of those fed 

 by Darling became infected. 



= .4. alhimana Wied. 



Important carrier in Malay. 



= x4. argyyotarsis. 

 = A. albotceniatus . 

 ==A. pharoensis. 



Important carrier in Algeria (littoral). 



= ^. sinensis Wied. 



= /l. maculipennis Wied. 



Common Australian species. 



Important carrier in Aden Hinterland. 

 = A. squamosa var. arnoldi Newstead 

 and Carter. 



:? .4. albirostris Tlieobald. 



Stephens & Doubtful (Christo- 

 Christophers phers) 

 M.T. 



Grassi, (t) . . Grassi, (t) 



Unlikely to Hill species. 8000 ft. 



carry in nature 

 owing to distri- 

 bution 



— . Common English Anopheles. 



— = A . macitlipennis M.ei%en. 



-A. sinensis (?). 



H. B. F. 



