242 



THE ENTOMOLOGIST. 



one joint long and two short. Venation as shown in figiu-e. 

 The stigma agrees fairly well with that of Psylloneiira and Vul- 

 turops, but is peculiar for the extremely backward direction of the 

 ra(Jial branch forming its basal boundary. This is a specialised, not 



Fig. I.— Ali'urodicvs hitriiiiticiix, Ckll. 



primitive, condition. The radius beyond the stigma branches as in 

 Psylloneura ; in Vultiirops it is simple. The media branches as in 

 Stcnopsocus and Psyllipsocus. The anals cannot be made out. The 

 cubitus is not angular at the cross-vein. 



Fig. 2. — PsijUoneura perantiqiui, Ckll. 



In Burmese amber, received from Mr. E. C. J. Swinhoe, 

 I am indebted to Dr. N. Banks for copies of Enderlein's 

 figures of Psylloneura and Psyllrpsocus. The fossil should 



Ri,+j- 



perhaps be referred to a new genus, but tl)e venation of the 

 Psocidffi is so variable, even on the two sides of the same 

 specimen, that considerable latitude must be allowed for 

 deviations within the genus. 



