1887. J 



269 



[Packard. 



Fig. 3.— Labrum of Govi- 

 odes dissimilis. X fiO. 



Fig. 4.— Right aud left mandibles of Tetrophtlialmus. X 60. Fig. 5.— Head of Lrpeimcs 

 heterographas, seen from ])e\ow. X CO. Fig. 6.— First maxilla! of Tetrophthalmus. X 75. 



Fig. 7.— Second maxillse of Nirmus. X 60. Fig. 8.— Second maxillseof re^TOivW/ia/wus 

 hilmsis. X 60. Fig. 9.— Second maxillae of Lsemobothrium. X 60. 



