HETEROMERA. 539 
Platydema biplagiatum (p. 201). 
To the localities given, add :—Guatemaa, Coban (Conradt). 
Platydema cordovense (p. 203). 
To the locality given, add :—GuatemaLa, Coban (Conradt). 
A single mutilated example from Guatemala seems to belong here. It is larger than 
the type, and the elytra have the suture entirely testaceous, and the median discal spot 
smaller and more rounded. 
46. Platydema concolor. 
Platydema unicolor, huj. op. p. 203, Tab. IX. fig. 11 (nec Chevr.). 
LIODEMA (p. 205). 
Liodema obydense (p. 206). 
A specimen of this species, and also one of L. serricorne, has been received from 
Temax in North Yucatan (Gauwmer). 
HAPSIDA (p. 211). 
Hapsida belti (p. 213). 
To the localities given, add :—Mzexico, Frontera in Tabasco (Hoge), Temax in North 
Yucatan (Gaumer). 
This brilliantly-coloured insect has been sent in abundance from Yucatan. 
Hapsida terebrans (p. 214). 
To the localities given, add :—Muxtco, Teapa in Tabasco (H. H. Smith). 
Three specimens, differing from the type in their smaller size and narrower shape, 
and in having the elytra eneous, with the serial punctures coarser on the disc. 
ENNEBCEUS. (To follow the genus Gonospa, p. 217.) 
Ennebeeus, C. O. Waterhouse, Trans. Ent. Soc. Lond. 1878, p. 228. 
This genus was proposed by Mr. Waterhouse for a Tasmanian insect, E. ovalis, 
Wat. The American species described below are perfectly congeneric with it, one of 
them, E. uniformis, being extremely close to E. ovalis. The geographical distribution 
of Ennebous is therefore a very remarkable one. The antenne are slender, the apical 
articulated club (Mr. Waterhouse describes the ninth and 
three joints forming a laxly 
the last joint abruptly truncate 
tenth joints as forming a distinct but not a large club), 
