mas: vertice bicorni, cornibus rectis antice carina 
reclinata. 
fem.: vertice tricorni, cornibus brevissimis. 
Long. 3V 2 1. — lat. 2 1. 
10, Oplosterna incana, fusca-testacea, cinereo pu- 
bescens, densissime punctulata; antennarum clara ocu- 
lisque infuscatis; tlioracis lateribus arcuatis, antice sub- 
dilatatis, subcrenulatis, angulis posticis rectis; stylo 
anali in utroque sexu minus producto. Long. 9 1. — 
lat. 4% 1. 
Voisine de la M. chinensis Guérin, mais beaucoup 
plus petite, plus allongée, plus convexe. 
11, Ancylonycha serricollis, elongato-ovata, rufes- 
cens, parcius scrobiculato-punctata, subpubescens; an- 
tennis femoribusque testaceis; thoracis lateribus arcua- 
tis, in medio dilatatis, serra tis. Long. 4V 2 1. — 
lat. 2 x / 2 1. 
12, Rhizotrogus pulchellus, ovatus, postice subin- 
flatus, parcius punctatus, rufescens, testaceo-pubescens; 
vertice, oculis suturaque plus minusve infuscatis; tho- 
race transverso, scrobiculato punctato, villoso, lateri- 
bus dilatatis antice attenuatis; elytrorum sulcis in- 
distinctis; pygidio antice subglabro, postice scrobiculato. 
Long. 4y a — 5 1. — lat. 2 — 2 x / 3 1. 
13, Trigonostoma puberula, elongato-ovata, fusca, 
subaenea, scrobiculato-punctata, cinereo-puberula; an- 
tennis pedibusque plus minusve testaceis, capite in- 
fuscato, vertice macula transversa glabra, oculis nigris; 
thorace valde transverso, angulis posticis rotundatis, 
anticis productis; elytris subparallelis, trinervis; pygidio 
obtuso, villoso. Long. 4 x / 2 1. — lat. 2y 3 1. 
