56 Transactions South African Philosophical Society. [vou. Xt. 
but differs of course in the shape of the clypeus and the utter absence 
of the clypeal keel. 
Hab. Natal (Durban). 
I think that Burmeister’s following species belongs to this genus, 
and I should not be at all surprised if it were identical with D. 
curtula, Fahy. 
SERICA CARBONARIA, Burm., 
Handb. d. Entomol., iv., 2, p. 167. 
Antenne 10-jointed, body in general short, spherical ; mesosternum 
broader, middle coxze considerably remote. 
“ Very deep black, with an iridescent sheen (margaritaceo-micans) ; 
elytra completely opaque, striate, clypeus shining. 
Length 23 lin. 
From South Africa. Short and compact, uniformly black; under 
side and prothorax with a bright pearly sheen, finely punctured ; 
clypeus shiny, densely punctured; elytra completely opaque, dis- 
tinetly striate, finely punctate, in each puncture a grey, smaller 
puncture ; antenne and legs shiny black.” 
Gren. MICROTRACHELUS, Brensk., 
Berl. Ent. Zeit., 1900, p. 81. 
Buccal organs of Trochalus and Ablaberoides ; clypeus very strongly 
constricted and very sharply tri-dentate, lateral margin also sharply 
dentate, genee very oblique and not meeting quite the hind ocular 
keel, anterior part of the clypeus strongly reflexed with the median 
tooth continued as a short, longitudinal keel, the depressed part is 
edged by a slight transverse impression, and there is a frontal, faint 
suture ; antennz 9-jointed, club 5-jointed in the male, 4-jointed in 
the female, longer than or as long as the pedicel, according to the 
sex ; body short, convex; anterior tibizw tri-dentate ; the rest as in 
Ablaberordes. 
MIcROTRACHELUS PLAGIGER, Pér., 
Trans. 8. Afric. Philos. Soc., vol. vi., 1892, p. 33. 
M. bipunctatus, Brensk., Berl. Ent. Zeit., 1902, p. 17. 
Dark bronze-green, sub-opaque, but occasionally slightly irides- 
cent on the prothorax only, elytra pale testaceous-yellow with an 
outer marginal, a basal and a sutural bronze-green band not im- 
pinging on the six discoidal intervals, and having also an elongated 
or oftener sub-quadrate discoidal patch situated at about the median 
