^r^ v 



PLATE XLII. 





*, 4> ' V 



-H 



\ 



and larval -alleik-s nt" Sphaerotrypes globulus, lilandford, on the outer sapwood of 



ll')' )1) J II tl 1 1 4l f <) 111 ,* Jl f ll \" ,1 \\' \\-\f\\** ( , .1 , t i . 1 I ),-/-,, 



