Mr.J.8. Baly on the Classification of the Eumolpide. 439 
B. Claws appendiculated. 
1. Joints of tarsus of equal width; body metallic 3. Acrothintum. 
2. Basal joint of tarsus narrower than the two 
following joints; body non-metallic ...... 4. Lophea. 
Genus Bromivs. 
Chevr. M.S. (part) in Dej. Cat. 3rd edit., nee Redtenb. 
Trichochrysea, Baly. 
Body broadly oblong or oblong, very convex, metallic, covered with coarse 
suberect hairs. Head perpendicular, deeply buried in the thorax ; face 
usually of normal width, more rarely in the ¢ broadly dilated, in which 
case the mandibles are enlarged and prominent, the epistome being 
deeply emarginate, and produced on either side into a short tooth or 
process*; antenne subfiliform or subincrassate, the five upper joints 
more or less thickened, and occasionally compressed and dilated into 
a distinct club; basal joint thickened, second rather shorter than the 
first; third, fourth, and fifth, each rather longer than the second, equal, 
slender, filiform; eyes entire. Thorax subcylindrical above, lateral 
border distinct, entire; surface closely punctured, not irregularly ex- - 
eavated. Elytra much broader than the thorax, sides parallel, apex 
broadly rounded ; above convex, coarsely punctured, unicolorous or orna- 
mented with brilliant metallic patches. Legs robust; thighs simple ; 
intermediate pair of téb¢e@ notched on the outer edge near its apex ; wn- 
guiculi bifid. Prosternum broad, forming a single piece with its epi- 
sterna, the sutural grooves obsolete. 
Type, Bromius hirtus, abr. Malay Archipelago. 
The name of Bromius was first proposed by M. Chevrolat in the 
3rd edition of Dejean’s ‘ Catalogue’ to receive Humolpus vitis and 
obscurus, two well known European insects; in addition he placed 
under the same generic head F. hirtus, Fab., together with several 
other allied exotie species, which (beyond slight external resem- 
‘blances) had no affinity whatever with the typical species. After 
the lapse of a considerable period the genus Bromius was charac- 
- terized for the first time by Redtenbacher, in his ‘ Fauna Austrie,’ _ 
this author also taking H. vitis for his type. Unfortunately, how- 
ever, in the meanwhile the Rev. W. Kirby, in his work on North 
American Insects, had erected the American form of £. vitis into 
a genus under the name of Adowus. Consequently Bromius, which 
at the date of Kirby’s work was merely a MS. name, was reduced 
* The insects possessing the above-named peculiarities in the formation of the 
head were formerly separated by me under the generic name Trichochrysea ; as, 
however, they exist in the male only, the female not being distinguishable from 
the same sex in Bromdus, I have not considered it advisable to retain the 
genus. 
VOL. II. 21 
