124 INTRODUCTION TO ENTOMOLOGY. 



them farther than that of juxta-position, will f;i| 

 under our notice afterwards. 



Explanation of Plate 1st Fig. 1. Head of Mylabris, upp 

 side : o, forehead ; 6, vertex ; c, occiput ; d, J, temple, 

 e, e, eyes ; /, torulus, cavity for the insertion of tl 

 antennae; #, clypeus, (of Fabr.) nose, (of KirbV 

 Epistome of Latreille ; A, labrum. 



Fig. 2. Under side of same head : &, posterior orifice ; Z, tl 

 neck ; ra, the mentum ; o, the eyes ; p. mandible: 



5, labial palpi. 



Figs. 3, 4, 5. Forms of the Labrum : Fig. 6. Mandible 

 Hydrous piceus ; Fig. 7. Do. of Goerius ; Fig. 8. Do. 

 Calosoma sycophanta. 



Fig. 9. Maxilla of Necrophorus germanicus : a, maxillary p* 

 pus ; 6, external lobe of the maxilla ; c, internal lot 



Fig. 10. Maxilla of Cidndela : a, external maxillary palpi 



6, internal do. or exterior lobe of the maxilla ; c, in 

 rior lobe, with an articulated hook at the apex, d. 



Fig. 11. Maxilla of Hydrous piceus: a, insertion or hing 

 6, dorsal piece ; c, squame palpifere of Strauss ; 6, c 

 taken together form the stalk, (stipes;) e, external lot 

 /*, internal do. 



Fig. 12. Labium of Cychrus rostratus : a, mentum ; 6, ligu 

 c, c, labial palpi. 



Fig. 13. Labium of Carabus, inside : a, mentum ; 6, lingi] 

 c. paraglossae. 



Fig. 14. Thorax of Scoliajlavifrons, upper side, the red col 

 indicating the prothorax, blue the mesothorax, t 

 yellow the metathorax ; coxae, green : A, the pron< 

 turn ; C, the mesonotum ; d, d, patagia; c, scutellum 



F, the metanotum ; H, H, the parapleura. 



Fig. 15. Side view of the same : E, mesosternum ; B, pro: 

 num ; G, metasternum ; rf, patagium ; r, scutelli 

 a, first spiracle ; /3, second do. Fig. 16, The same froi 

 beneath : B, B, prosternum ; E, E, mesosternu: 



G, G, metasternum. 



Fig. 17. Thorax of Cicada Fraxini : A, pronotum ; C, m< 

 notum ; c, scutellum ; c?, c?, frenum ; F, F, metanotun 



Fig. 18. Hinder leg of Melolontha vulgaris : a, 6, coxa ; ( 

 trochanter ; e, thigh ; /, tibia ; A, tarsus ; i, claws. 



Fig. 19. Pectinated claws. Fig. 20. Claws of an Asilus :- 

 o, central filaments ; 5, 5, membranous expansion of 

 terminal joint advanced beneath the claws. 



im 

 es( 





