Ipalaeontograpbical Society 1920* 



A MONOGRAPH 



OP THE 



FOSSIL INSECTS 



OF THE 



BRITISH COAL MEASURES. 



BY 



HERBERT BOLTON, M.Sc, F.R.S.E., F.G.S V 



DIRECTOR OF THE BRISTOL MUSEUM. 



PART II. 



Pages 81—156; Plates V— X 

 Title-page and Index. 



LONDON: 



PRINTED FOE THE PALHONTOGEAPHICAL SOCIETY. 



July, 1922. 



