PLAT! XL1X. 



KM 



Inner surface of pieces of Pinus gerardiana bark showing the egg and larval galleries of 

 Polygraphus t/',-nchi, Stelj. In the larger piece uncompleted egg-galleries are shown with only 

 the first beginnings of the hoi l/.ontal larval galleries. North /hob, Haluchistan, June 1905. 



