diag Anisotomidæ—² Genus Triarthron— all the tarsi 5-jointed

Hydnobius— d^o— d^o—

Anisotoma— tarsi 5, 5, 4 (the 4 jts belonging to the poster^r.

tarsi)

Cyrtusa— tarsi 5, 5, 4

Colenis— tarsi 5, 4, 4 (all the above were formerly included under one generic title i.e, either Anisotoma, or Leiodes ³ —with the exception of Triarthron which had not been discovered at that time)

Agaricophagus— tarsi 4, 3, 3

Liodes (or Leiodes) as now restricted—

Amphycillus

Agathidium These three genera form the second section of the Anisotomidæ accord^g to Erichson,⁴ who says of the section that the males have the tarsi 5, 5, 4; the females 5, 4, 4 or 4, 4, 4—and in the genus Liodes which contains but 6 species, four of which have the tarsi in the females 5, 4, 4 & the remaining two ♀s have tarsi 4, 4, 4

Cryptophagidæ

Antherophagus tarsi ♂ 5, 5, 4

♀ 5, 5, 5

Emphylus— d^o— d^o—

Cryptophagus— d^o—

Paramecosoma tarsi in both sexes pentamerous

Atomaria— d^o— d^o—

Ephistemus— d^o— d^o—

Mycetophagidæ Tarsi 4 jointed. The anterior tarsi in the males 3-jointedramme with regard to the Aleocharidæ (to which group Homalota belongs)—there are many species in which the anterior tarsi are 4-jointed & the four posterior tarsi 5-jointed—others have all the tarsi 5-jointed, & some genera have 4 joints to all the Tarsi—Hygronoma for example. In the great genus Homalota (which contains far more species than any other genus of the family) the fore tarsi are 4 jt^d. & the four hind tarsi 5-jointed—

Of the Staphylinidæ, by far the greater portion of the genera have all the tarsi five jointed—the most marked exceptions occur in the Oxyteli which have but 3 joints to the tarsi—some of the Proteinini also have the tarsal joints reduced to 3⁵