[233] Ibid. t. xxiii.

[234] Ibid. t. xiv.

[235] I purchased this singular caterpillar from the collection of the late Mr. Francillon, with his other exotic larvæ; but without any indication of the fly to which it belonged.

[236] De Geer vi. 352.

[237] De Geer iv. 66. ii. 922.

[238] De Geer v. 170.

[239] De Geer says, he could not make out the number of eyes of the larva of the whirlwig (Gyrinus): probably, as in that of Dytiscus, there are six. iv. 362. 385.

[240] Pez. 188.

[241] ii. 923, t. xxxvi. f. 1, b b. Fabr. Philos. Ent. 60.

[242] Lyonnet 41. t. ii. f. 1. c.