IM.ATK X.XXIX. 



Pairing-chambers, egg-galleries, and ]ar\al galleries of 'romitiis ribbciitropi, Steb., on 

 inner surface of living spruce bark. This shows the manner in which the female beetles tunnel 

 out their egg-galleries, and the method of feeding of the grubs which hatch from the eggs laid 

 in the sides of the egg-gallery. North-West Himalaya. 



