PLATE LIV. 



NIRMUS CAMERATU8. 



Fie. 1. Nirmus camcratus. Nitzsch. Miignified. Female. A seen 

 from above ; B seen from beneatli. 



Fio. 2. Eggs of Nirmus came.rutus on tlie feiithers of a young Grouse about three weeks old. A, very slightly 

 magnified, three eggs on one of the wing-covers ; 15, magnified about eight times, one egg on a downv jilume : C, very 

 highly magnified to show roliculations. 



Opposite p. 35".] 



