of various Coprophagous Lamellicorn Beetles. 229 
triangulari, antice valde emarginatum, setosum. Palpi labiales 
articulo 2ndo preecedenti parum minori, ultimo minuto ovali. 
Prothorax maximus, elytris fere major, lateribus rotundatis, 
antice utrinque obsolete retusus. lytra prothorace haud 
latiori, semicircularia, punctulata et levissime striato-punc- 
tata. Tibie antice extus dentibus tribus armate. Femora 
4 postica brevia depressa; tibiee apice dilatatee intermediz 
2-posticee 1-calcarate. ars antici mediocres, articulo 
ultimo precedentibus longitudine equali; tarsi 4 postici 
articulo basali majori compresso-triangulari. 
Type of the genus Onthophagus Greeni, Kirby, Linn. Trans. 
vol. 12, p. 397. Mr..Kirby observes of this insect, which is a 
native of the Cape of Good Hope, that it seems to vary from the 
habits of Onthophagus, and forms an intermediate link between it 
and Copris. 
Plate XVI. fig. 4, Macroderes Greenii ; 4a, instrumenta labialia; 4b, labial 
palpus; 4c, intermediate tarsus and apex of tibia. 
Uroxys, Westw. 
Corpus oblongum, subdepressum, leeve, nitidum, elytris postice 
acuminatis. Clypeus antice in lobos duos subacutos pro- 
ductus, vertice subconvexo. Mentum subquadratum, antice 
Vix angustatum, margine antico parum emarginato. Palpi 
labiales articulis longitudine fere zequalibus, at sensim gra- 
cilioribus. Prothorax latior quam longus, lateribus in medio 
angulatis, tenue marginatis. Hlytra oblonga, prothorace vix 
latiora, apice singuli acuminato, levissime striato-punctata. 
Pedes antici elongati, tibiis anticis depressis, in medio (in uno 
sexu saltem), intus angulariter productis, extus versus apicem 
tridentatis. Zarsi brevissimi biunguiculati. Pedes 4 postici 
breves, tibiis apice triangulariter dilatatis, extus serrulatis. 
Tarsi articulo basali majori depresso; 4to minuto, 5to tenui, 
brevi, biunguiculato. 
Uroxys cuprescens, Westw. (PI. XVI. fig. 5.) 
Cupreo-seu violaceo-nigricans, nitida; antennis rufescentibus ; 
capite, pronoto et elytris leevissime punctulatis, horum singulo 
striis 8 leeviter punctatis ; tarsis piceis. 
Long. corp. lin. 43. 
Habitat Colombia. Mus. Hope. 
Plate XVI. fig. 5, Uroxys cuprescens; Sa, labrum; 5b, mandible ; 
5c, maxilla; 5d, instrumenta labialia; 5e, pos- 
terior tarsus. 
