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EXPLANATION OF PLATES. 839 
. Vespa vulgaris, p. 362. 
. Mellinus arvensis, p. 367. 
. Trogus lutorius, p. 381. 
. Sirex gigas, female, p. 386. 
5. The larva of this insect, after RaseEx. 
. The larva of Cimbex variabilis, p. 389, after Rasen. 
7 
Puate IX. Insects. 
Caterpillar of Cerwra vinula, p. 403, after Rasen. 
Sphinw convolvuli, p. 406, seen from below. At a, the wing- 
hooklet, retinaculum, is seen, p. 393. 
Figs. 3, 4. Pupz 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, 
Satyrus Ageria, p. 410. 
Case of a larva of Phryganea, p. 414, opened to shew the smooth 
internal surface. 
Larva of the Ant-Lion, Myrmeleon formicarium, p. 419. 
A, larva; B, pupa of a Libellula, pp. 420, 421, after LyoneT: a, 
mask-like under lip ; 6, rudiments of the wings. 
Figs. 9—11. Left upper wing of Libelle, p. 421; fig. 9, Hshna grandis, 
Fig. 12. 
. Head of a Cicada as an example of the beak (rostrum) of the 
Fig. 13 
fig. 10, Libellula depressa, fig. 11, Hshna forcipata ; a, triangu- 
lar wing-cell. 
Agrion puella or furcatum Cuarp., p. 422. 
Homoptera (p. 430); A, seen from below; B, from the side; o, 
in front; a, in fig. A, the sucker; 6,6, the insertion of the first 
pair of feet; c, the antenne. In fig. c, the three filaments 
which are enclosed in the sheath of the sucker, are represented 
after the sheath has been removed. 
. Anterior or upper wing of a Cicada; this wing is entirely mem- 
branous. Comp. fig. 16. 
5. Fulgora, p. 437; Fulgora maculata Oury. East Ind., nat size. 
16. Fore-wing of Belostoma indicum, (p. 441), to illustrate the 
characters of the Hemiptera heteroptera, p. 439. 
. Nepa, p. 441; Nepa rubra from Java, much resembling Vepa 
cinerea, but larger. 
. 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). 
