MICROSPORIDIA PARASITIC IX MOSQUITOES. 



irregular lines of coiled polar filament. In some spores, there is 

 no clear space here noted and in others -\vhich apparently possess 

 thin spore membrane, numerous transverse protoplasmic strands 

 are to be seen (Fig. 4, e). 



n - o 



.if Stcmpcllia magna. n-p from :n ?mcar=. 



X 2300. fl-e-. fir-h spores. /. an end view of a fresh .-purr. $. /':. -p. .p - ^uiined 

 \\itli iiu-tli> Icnc Mm- M.P. and observed immedia- i wards, i-k. spores kept 



in UK thylriK' l>liu- M.P. for three years under vaselined coverglass. /, m, spores 

 pressed HHM!. i.itrly and kept in Lugol and gum-arabic mixture for two day?, n-p. 

 al'iiormal spores, products of monosporous development (Heidenhain). q, r, 

 normal spores (4 per cent, formol; Giemsa). s, normal spore (4 per cent, formol; 

 JIfiili-iili.ini '. 



