[283] At first in the Dytisci they appear to have five joints; but, as I before observed, the first joint must be regarded as representing the maxilla.
[284] Lyonnet Anatom. 55, 58.
[285] De Geer v. 203.
[286] De Geer iv. 5. Legs of this kind are figured Plate [XXIII.] Fig. 7.
[287] In the larva, however, of Sialis, or some kindred genus, in which, like those of Scolopendra, the prolegs are jointed, a pair distinguishes each abdominal segment. See Reaum. iv. t. xv. f. 1, 2. Compare De Geer ii. t. xxiii. f. 11.
[288] See above, Vol. II [286]—.
[290] Lyonnet Anatom. t. iii. f. 8. Coxa b. Trochanter c. Femur d. Tibia e. Tarsus f. Claw g.
[291] De Geer iv. t. xiii. f. 20; and t. xv. f. 16.
[292] Ibid. ii. t. xvi. f. 5, 6, 7. d e: and t. xix. f. 4. c f g h.