1914.] 



199 



spent and shrivelled, and the ova were commencing to hatch. The 

 ovisacs were first noticed, sparsely, in crevices in the stems of old birch 

 trees, but were subsecpuently discovered, more abundantly, amongst 

 decayed leaves and rubbish at the base of the trees. It would appear, 

 therefore, that the normal habit of the fertilised female is to leave the 

 tree and descend into the loose material at the base of the stems. 



EXPLANATION OF FIGURES: 



Kuwania britannica. 



1. Adult female, optical section from the ventral aspect, x 13. 



2. Antenna and eye, x 95. 



3. Terminal joint of antenna, showing subdivision, x 95. 



4. Distal half of mid leg, x 95. 



5. Foot, x 350. 



6. Posterior extremity of body, showing anal orifice, x 95. 



Eaglesfield, Park Road, 

 Camberley : 



Juhj, 1914. 



