EXPLANATION OF PLATES. 839 



Fig. 11. Vespa vulgaris, p. 362. 



Fig. 12. Mellinus arvensis, p. 367. 



Fig. 13. Trocjus lutorms, p. 381. 



Fig. 14. Sirexgigas, female, p. 386. 



Fig. 15. The larva of this insect, after RCESEL, 



Fig. 16. The larva of Cimbex variabilis, p. 389, after RCESEL. 



PLATE IX. INSECTS. 



Fig. 1. Caterpillar of Cerura vinula, p. 403, after RCESEL. 



Fig. 2. Sphinx convolvuli, p. 406, seen from below. At a, the wing- 

 hooklet, retinaculum, is seen, p. 393. 



Figs. 3, 4. Pupae of butterflies. Fig. 3, a pupa hanging free, as in the 

 Tetrapoda, p. 410 ; fig. 4, a pupa fastened by a transverse thread, 

 as in the Hexapoda, p. 409. 



Fig. 5. Satyrus ^Egeria, p. 410. 



Fig. 6. Case of a larva of Phryganea, p. 414, opened to shew the smooth 

 internal surface. 



Fig. 7. Larva of the Ant-Lion, Myrmeleon formicarium, p. 419. 



Fig. 8. A, larva; B, pupa of a Libellula, pp. 420, 421, after LYONET : a, 

 mask-like under lip ; b, rudiments of the wings. 



Figs. 911. Left upper wing of Libellce, p. 421; fig. 9, jEshna grandis, 

 fig. 10, Libellula depressa, fig. 11, jEshna forcipata ; a, triangu- 

 lar wing-cell. 



Fig. 12. Agrion puella orfurcatum CHARR, p. 422. 



Fig. 13. Head of a Cicada as an example of the beak (rostrum) of the 

 ffomoptera (p. 430); A, seen from below; B, from the side; c, 

 in front; a, in fig. A, the sucker; b, b, the insertion of the first 

 pair of feet; c, the antennae. In fig. c, the three filaments 

 which are enclosed in the sheath of the sucker, are represented 

 after the sheath has been removed. 



Fig. 14. Anterior or upper wing of a Cicada; this wing is entirely mem- 

 branous. Com p. fig. 16. 



Fig. 15. Fulgora, p. 437; Fulgora maculata OLIV. East Ind., nat size. 



Fig. 16. Fore-wing of Belostoma indicum, (p. 441), to illustrate the 

 characters of the Hemiptera heteroptera, p. 439. 



Fig. 17. Nepa, p. 441 ; Nepa rubra from Java, much resembling Nepa 

 cinerea, but larger. 



Fig. 18. Reduvius personatus, p. 444. It is the specimen to which I 

 referred in the note in p. 276, and which is distinguished by the 

 shortness of one of the feet, (the second on the left side). 



