[912] We employ this term instead of Instrumenta Cibaria F., to avoid circumlocution.
[913] Plates [VI.] [VII.] &c. a´, and [XXVI.] Fig. 30-33.
[914] Ibid. Fig. 30. Mon. Ap. Angl. i. 139. Melitta **. b. t. ii. f. 4, 5.
[915] Plates [VI.] [VII.] &c. and [XXVI.] Fig. 23-29. b´.
[916] Plates [VI.] and [VII.] a´´, and [XXVI.] Fig. 34, 35.
The part in this work regarded as the mentum, does not in all cases accord with what MM. Latreille, Savigny, &c. have regarded as entitled to that denomination. Thus in Hymenoptera, their Mentum is what we term the Labium, while our Mentum is the small piece upon which that part sits (Plate [VII.] Fig. 3. a´´). This is called the Fulcrum in Mon. Ap. Angl. (See i. Explan. of the Plates.) Our Mentum may generally be known by its situation between the hinges and base of the Maxillæ.
[917] Plates [VI.], [VII.], and [XXVI.] b´´.
[919] Plate [XIII.] Fig. 7. c´´.
[920] Marcel de Serres Comparaison des Organes de la Mastication des Orthoptères. 7. Ann. du Mus. 11.