288 



THE MONTIIIA' BITLLETIN. 



B 



A 



D 



E 



Fig. 290. — Methods of pinning insects. A, Coleoptera (beetles) ; B, Coleoptera and 

 Hemiptera (beetles and Heteroptera — true bugs) ; C, Ortlioptera (grasshoppers, katy- 

 dids, crickets, etc.); D, Hymenoptera (w.-isps, bees, etc.); B, Diptera (two-winged 

 flies). 



