CONTENTS. 



Page, 



efaoe and acknowledgments _ _ v 



le cause! of yellow fever. : _,__ _. 49 



Le blood in yellow fever 52 



le period of incubation of yellow fever .: , __ 53 



.Resulting from mosquito bites (Table 1 ) 54 



Resulting from blood inoculations (Table 2) . _ _ ' 57 



te filtration of yellow fever blood „',_„ 58 



Yellow fever produced by the bites of mosquitoes 1 60 



Yellow fever produced by the inoculation of blood serum .___ 63 



imarks on filtration experiments with yellow fever blood 67 



sting of filters with objects of ' ' ultramicroscopic ' ' size 68 



le filtration of certain viruses , ■-.., .1 70 



mites . I __„ 75 



ie filtration of malarial blood „ 75 



Bstivo-autumnal fever 78 



Tertian fever . : 85 



scellaneous observations on mosquitoes ." . _ 92 



Mosquitoes may bite cadavers-.., 93 



Longevity 93 



Ovipositing _ . — 93 



Size of screening 95 



sinfection experiments 97 



mmary and conclusions - , . 99 



(in) 



