EXPLANATION OF THE PLATES 1 



PLATE VI. b 



FIG. 



1. Head of Mylabris. Upper side, ox face. 

 2. Under side, or subface. 



3. Trophi of Dytiscus. Six pieces. 



4. Head of Locusta. Face. 



5. Front view, to exhibit the mouth. 



6. Trophi of ditto. Seven pieces. 



7. Head of Cicada. Face, 



8. ■ ■ Scutellera. Subface. 



9. Trophi, or promuscis of Hemiptera. Three pieces. 



10. Head of JEshna. Face. 



11. ■ Front view. 



12. Trophi of ditto. Seven pieces. 



13. or antlia of Lepidopter a. Four pieces. 



14. of Panorpa. Three pieces. 



PLATE VII. c 



1. Head and trophi of Phryganea L. Face. 

 2. Vespa Crabro. Ditto. 



3. Trophi of Bombus. 



4. Head of Tabanus L. Face. 



5. Trophi or proboscis of ditto. (Iteaum.) 



6. Bombylius d . 



7. Head of Oxypterum. Face. 



a Recourse must be had to the synoptical table of the nomencla- 

 ture of the parts of the external crust of Insects (Vol. III. p. 354) for 

 the explanation of the reference letters not here given. 



b Vol. I. p. 394-. III. p. 355-, 394-. IV. p. 305—. 



c Ibid. d Probably e' is resolvable into two pieces. 



VOL. III. 3 A 



