PAL/EONTOGRAPHICAL SOCIETY, 1920 



Bolton. Insects of Coal Measures. 



PLATE V 



HIPP 







1.GER0NEURA? 2.i£DCE0PHASMA. 3.COSELIA. 

 4.GENENT0MUM. 5.XER0PTERA. 



J W.Tutcher, photo London Stereoscopic. Co. imp. 



