PLATE XVIII. 

 NIRMUS CAMEllATl 's. 



4 





FIG. 1. Nirmusc<ni<';-ntns. Nitzseh. Magnified. Female. A seen 

 from above ; B seen from beneath. 



A r. 



FlG. 2. Egi:s ol \ i r mi's i'ii/i/' 1'iitnx on tlir feathers of a young 

 about three \\eeks .,id. A. very slightly magnified, three eggs on one of the 

 wing-covers ; B, very highly magnified to show reticulations. 



!;. 187.] 



