§ Anterior tarsi of males much dilated.

1. Willughbiella, Kirby, ♂♀. 5-7 lines.

2. maritima, Kirby, ♂♀. 6-7 lines. ([Plate XII.] fig. 2 ♂♀.)

3. circumcincta, Kirby, ♂♀. 4½-5½ lines.

§§ Anterior tarsi of males not dilated.

1. ligniseca, Kirby, ♂♀. 5-7 lines.

2. centuncularis, Linnæus, ♂♀. 4-6 lines.

centuncularis, Kirby.

3. argentata, Fabricius, ♂♀. 3-4½ lines. ([Plate XII.] fig. 3 ♂♀.)

Leachella, Kirby.