EXPLANATION OF THE PLATES. 609 
FIG. 
42. Eyes compound and stemmata of Cercopis. Stemmata 
intraocular. 
43. Eyes simple, dorsal. Phalangium. 
44. 45. Claw-joint of tarsus of Lamia, to show the arthrium. 
46. Vespa Crabro. 
47. Tarsus of Entimus hnperialis. a. The rotula or ball re- 
ceived by the socket of the tibia. 
48. The penultimate bilobed joint of ditto, with the arthrium 
separated from the claw-joint. 
49. Part of the claw-joint so separated, a. Muscles which 
enter the arthrium. 
PLATE XXVII.» 
1. Head of Cordylia Palmarum. a a, Muscles fixed in the 
myoglyphides or muscle-notches. 
2. Apoderus Coryli. 
3. Buprestis acuminata. 
4. Copris. a. Muscles. 
5. ■ Elater. a a. Corneous scales analogous to pax- 
wax, attached to the depressor muscles, like those of 
Geotrupes. Vol. IV. p. 183. 
6. — — — tibia. Cordylia Palmarum. 
7. End of thigh, ditto, next the tibia. 
8. ■ Dynastes. Vol. III. p. 671. note 3 . 
9. Head of tibia of ditto. 
10. Copris buceplialus. Vol. III. p. 670. 
1 1 . End of thigh, ditto, next the tibia. 
12. Middle coxa. Melolontha vulgaris, a. The open part 
which receives the muscles. 
13. Posterior ditto, ditto, a. The open part. 
14. Head of posterior thigh of ditto. 
15. End of ditto next the tibia. Gryllus. 
16. Head of tibia of ditto. Vol. III. p. 669—. 
17. Lateral view of ditto. 
18. of the head of the coxa of Lamia, a. The 
a Vol. III. 526, 661—. 
VOL. IV. 2 R 
