60 MISS R, MARKBREITER ON SOME MICROFILARIA 



Text-figia^e 1. 



Leitz. Eyepiece 2B. Lens k. 

 OS 7 mm. 



No. 8<^e 



Text-figure 2. 



Outlines of Microfilaria to show comparative sizes and forms. Camera lucida 

 used. Leitz microscope: eyepiece 2B; lens \ for drawings 773 (1920) to 1022 

 (1920) and 50 (1921) to 73 (1921). 



Zeiss microscope : eyepiece 2 ; lens Z D used for drawings 92 (1921) to 370 (1921). 



The numbers referring to Microfilaria in text-figs. 1 and 2 are those of the 

 Death Book of the Zoological Society for the years 1920 and 1921. 



Text-fig. 2. 

 54. Host. Serinus scotops. 



Quiscalus quiscalus. 

 JB^ihi'Jcus coromandns. 

 Otogijps calvus. 

 JSlaims caruleus. 

 JParadisea minor. 

 Turaeus corythaix, 

 Steganura paradisea. 

 Cittocincla macrura. 

 SampJioccelus hrasilius. 



