of various Coprophagous Lamellicorn Beetles, 231 
nigra, nitida, singulo striis 7 leevibus (spatiis intermediis planis), 
ad basin paullo angustiora (inde subovata apparent). Pedes 
breves, latiores, picei. ‘Tibize anticee depressee, versus basin 
interne angulatze, extus tridentate, subtus serrate. ‘Tarsi mi- 
nuti, Tibize 4 posticee subtriangulares, depresse, extus ser- 
rate. ‘Tarsi articulis basalibus latioribus compressis. 
PI. XVI. fig. 8. Onthocharis myrmidon ; 8 a, maxillary palpus; 86, mentum 
and labial palpi; 8, hind tibia and tarsus. 
Onthocharis smaragdinus, Westw. 
Brevis, subcylindricus, smaragdinus; capite antice profunde 
emarginato, in sinu obtuse bidentato; elytris leviter striatis, 
tibiis 4 posticis angustioribus, prothoracis angulis posticis in 
lobum parvum productis. 
Long. corp. lin. 2}. 
Habitat in Brasilia. 
In Mus. Gory (nunc D. Hope). 
Onthocharis smaragdina, Gory, MSS. 
Scat. myrmidonti paullo latior et inde minus cylindricus, dentibus 
duobus clypei apice obtusis; tibiis anticis minus dilatatis, 
margine interno in medio haud emarginato ; elytris magis ova- 
tis, striis ut in specie predicta dispositis; pedibus 4 posticis 
nigricantibus, minus dilatatis ; tarsis compressis, at multo an- 
gustioribus quam in Sc, myrmid.; pronoti angulis posticis (e 
latere visis) in angulum acutum reflexum productis. 
The two preceding species, in habit and colours as well as 
several parts of their structure, appear to be intermediate be- 
' tween the typical Scatonomi, and the genus next to be described 
under the name of 
Anomiopus, West. 
Corpus oblongum, subconvexum, pedibus latissimis. Mentum ovale, 
subplanum, basi truncatum, antice vix emaginatum. Palpi 
labiales breves, articulis sensim minoribus. Clypeus antice 
in medio in dentibus duobus productus, Prothorax lateribus 
rotundatis marginatis, convexus. lytra marginata, striisque 
7, vix punctatis, impressa. Pedes breves, latissimi, tibiis an- 
ticis versus basin interne angulatis, externe dentibus tribus 
inter se valde distantibus armatis. Tarsi antici minuti. 
Tibie 4 postice valde compresse, extus, pone medium sub- 
angulatze tarsisque latissimis. 
[Dr. Erichson, in his Jahrbericht for 1842, considers that this 
