131 
of some Species of Car abides. 
punctisque excavatis triplici serie ordinatis. Pedes nigri, 
tibiis intermediis incurvis. 
Obs. — This is one of the smallest species of Calosoma which 
has fallen under my notice : it w r as captured in the higher and 
central parts of the Island of St. Helena, by C. Darwin, Esq. 
XXIV. Descriptions of some of the Insects brought to this 
country by C. Darwin , Esq. By G. R. Waterhouse, 
Esq. Curator to the Zoological Society of London. 
[Read January 2, 1837.] 
The species here described belong to the old genus Haltica and 
its subgenera, and are all from Australia. 
Species 1. Haltica crassicornis. 
H. ovata, aenea vel viridis ; pedibus, abdominis apice, antennisque 
ad basin testaceis ; capite leviter punctato ; thorace punctu- 
latissimo, foveis longitudinalibus duabus ad basin ; elytris 
punctato-striatis, interstitiis subpunctatis ; antennis brevibus, 
articulis 5 apicalibus nigris, crassioribus. 
Long. corp. lin. 
Habitat near Sydney. 
Obs. — The antennae in this species are shorter than is usually 
observed in insects of this genus : the basal joint is rather long 
and thick; the second is shorter and thicker than the third: from 
hence to the apex, the joints gradually increase in width ; the last 
five joints are sensibly incrassated. The antennae of the females 
appear to be less thick than those of the males. In form and 
general appearance this Haltica closely resembles some of the 
species of the genus Macronema, but the structure of the antennae 
and hinder tibiae (which are not elongated beyond the base of the 
tarsus) prevents its being associated w'ith that group. It is about 
the size of Macronema Napi, but of a broader form. I have 
examined eleven specimens of this species. 
Species 2. II. nitida. 
H. ovata, lata, aeneo-viridis ; pedibus abdominisque apice tes- 
taceis ; antennis testaceis, brevibus, articulis 5 apicalibus 
crassioribus ; corpore supra levi ; elytris baud striatis. 
Long. corp. U lin. 
Habitat King George’s Sound. 
VOL. II. 
L 
