ENTOMOLOGY. 361 
Family Elaterid^e. 
This family is also of great extent, consisting of not fewer 
than 2700 described species, many of which are exclusively natives 
of South-Eastern Africa and Madagascar, the finest group being 
Tetralobies, and its immediate allies, having flabellate antennte, which 
are almost restricted to Africa, a few only occurring in New Holland. 
Of this group Mr. Gates collected a very interesting species, which I 
have figured in Plate G, fig. 4, and which appears to be identical with 
Tctralobics bifoveolatns of Boheman (although apparently differing 
in certain points). 
Family Paussid^. 
Africa possesses a number of species of this singular family, found 
in Natal by Herr Guienzius in ants' nests. Mr. Gates, however, 
collected only one species, Pleu7'optei'us alternaiis, Westw., Thesaurus 
Ent. p. 74, pi. 16, i. 2. 
Family Histerid^e. 
These insects, which are generally found in excrement, appear to 
be numerous in individuals, although only about eight species were 
taken, one of large size. 
Family Silphid^. 
Gf the carrion beetles one alone, Silpha {micans, Fabricius), was 
captured. 
Family Bostrichid^e. 
Of the numerous family of wood-boring beetles, five species were 
found in considerable numbers, including Apate {inonacha and corini- 
tus, Fabricius). 
Family TENEBRiONiDiE. 
This extensive family, belonging to the Heteromerous Section 
of the Order, in its widest extent, as catalogued by Gemminger and 
Von Harold, comprises more than 4500 described species, many of 
the largest and finest of which arc peculiarly African, such as CJiiro- 
scelis and its allies (of which I published an illustrated monograph in 
the " Transactions of the Zoological Society," vol. iii. 1849), and the 
gigantic species of Molnris, such as M. Bcrtolonii, Gu^rin, from 
Mozambique ; M. Rowleiana, Westw., from the Zambesi ; M.gj-avida 
Damara Land ; and M. Procrustes, Uclagoa Bay, illustrated in my 
paper in " Trans. Ent. See." 1875, pl- 6. Many of these insects, which 
are especially natives of large sandy districts, were captured by 
Mr. Gates, including Molnris Pcnctii, M. gibbosa, M. albipcs, etc., 
Dichtha injlata, Gerstaeckcr, Anomalipus lijicadis and ijitcrincdius, 
