[2161] Ibid. t. xvii. f. 117.
[2162] Ibid. t. xxxvi. f. 253.
[2164] De Geer, vi. 260. t. xv. f. 8. d.
[2166] Plate [XXIX.] Fig. 22. is part of the back of the abdomen of the pupa of a Pentatoma. a the pseudo-spiracle, b the connecting corrugations.
[2169] Treviranus. Arachnid. 23—.