44 



INTIiODUCTION. 



in the second type is much the same except that there is a single 

 and not a double folding of the apical region." In the Staphylinid 

 type, as we have said before, the arrangement is much more 

 elaborate ; in this case there are three transverse folds and several 



Fig. 22. — Venation and folding of wings in Staphylinus cinnamopterus ; 

 Staphylinid type. Dotted lines and black areas indicate same as in 

 fig. 21. (After Woolworth.) 



Fig. 23. — Venation and folding of wings in Dermestes lardarius ; Cantharid or 

 Telephorid type. Dotted lines and black areas indicate same as fig. 21. 

 (After Woolworth.) 



added longitudinal folds in the apical region of the wing. A 

 peculiar feature of the groups is the carrying of the basal trans- 

 verse fold across the anal region. The wings of the Staphy- 

 LLNTDiE will be found further alluded to in the account of the 

 family. 



Lameere, in his classification (Ann. Soc. Ent. Belg. xliv, 1900, 

 p. 357), makes use of these distinctions and divides the Coleoptera 



