PLATE LIII. 
Fig. 1 . Leptocentrus canescens, page 234. The long taper posterior horn may be 
noted in this genus and the developed suprahumeral processes. 
Fig. 2. Leptocentrus imitator , page 234. 
Fig. 2 a. The tegmen. 
Fig. 3. Leptocentrus leucaspis $, page 235. 
Fig. 3 a. Frons. The suprahumeral horns are unevenly long, from perspective 
drawing. 
Fig. 3 b. Posterior horn, suprahumerals, and part of the uncovered scutellum. 
Fig. 4. Leptocentrus mephistopheles, from the dorsal view, page 235. 
Fig. 5. Leptocentrus gazella $, with portions of the wings, page 235. 
Fig. 5a. Head and processes. The foreheads of these insects are always more or 
less prone, or turned downwards. If the view is taken from above, the posterior 
horn appears as seen in this figure. 
Fig. G. Leptocentrus ad uncus , with the short posterior horn, page 23G. 
Fig. 7. Leptocentrus ustus, page 236. 
Fig. 8. Leptocentrus cinctus, page 236. 
Fig. 8a. The tegmen. 
Fig. 8b. The frons and suprahumerals. 
