14. 
EXPLANATION OF THE PLATES. 
terminate the trachee. 0. Oblong ditto. Wor. IV. 
p- 68. 
Pupa of Corethra culiciformis. (De Geer.) a. b. Vesicles 
connected with the trachexw. c. Tail. Vou. 1V. p. 67. 
. Part of the head of Glomeris zonalis. a. Pseudo-spiracle. 
Vot. III. p. 494. 
. Part of the trunk of Staphylinus olens, to show its ante- 
pectoral spiracle. Vov. IV. p. 43. 
. Part of the abdomen of Pneumora. a. The series of 
ridges, by striking the hind leg over which they pro- 
bably produce their noise. Vou. II. p. 395; III. p. 340. 
Underside of part of the alitrunk of Lygceus sexmacu- 
latus K. MS. _ b. Branchiform apparatus between the 
scapula and parapleura. Vo. IV. p. 45. 
Pentatoma rufipes. 
a. Corrugated membrane. b. Apparent fringe of hairs 
or bristles. Ibid. 
. Spiracle of larva of Oryctes nastcornis. (Sprengel.) 
Dytiscus marginalis. (Ibid.) 
. Part of the trachea and bronchiz of the pupa of Smerin- 
thus Populi. (ibid.) 
. Spiracle of the imago of Oryctes nasicornis. a. The boss. 
(Ibid.) 
- Dorsal spiracle of Scutigera. 
- Pencil of hairs attached to a supposed respiratory plate 
in certain Noctue. Vou. IV. p. 60. 
. Part of the back of the abdomen of the pupa of a Penta- 
toma, a. Pseudo-spiracle. 6. Connecting corrugations. 
Vor. III. p. 714. 
. Unilabiate spiracle of Gonyleptes. 
. Portion of ventral segments of abdomen of Aradus lami- 
natus K. a. Tobaccopipe-shaped organ near the ven- 
tral spiracles, Vo. III. p. 714. 
. Part of the back of the alitrunk of Belostoma grandis, to 
show the metapnystega? or rather spiracle. Vor, III. 
p- 574; IV. p. 45. 
