245 
Eucliloræ, Pliylloperthæ, Melo- 
lontliæ, Rhizotrogo, Sericæ. 
Ocelli 
duo, rotundati, leviter eminentes, laterales, acetabulis anten- 
narum pervicini Tro gi, 
nulli reliquis . 
Acetabula antennarum 
conice eminentia, basi acute circumscripta, articulum pro- 
prium antennarum simulantia. 
Antennæ 
filiformes, laterales, proversæ, deorsum et introrsum directæ; 
graciles plerisque, 
robustiores Cetoniæ, Trogi, Passalo; 
biarticulatæ Passalo, 
triarticulatæ Trogi, Geotrypæ, Lucano, Dorco, Platy- 
cero, Sinodendro, 
quadriarticulatæ reliquis; 
capitis terme longitudinis E u c h 1 o r æ, Phyllopertliæ, Melo- 
lonthæ, Rhizotrogo, Sericæ, 
capite manit'esto breviores plerisque, 
duplo ferme breviores Osmodermati, Ateucho, Ani- 
moecio, Geotrypæ, Sinodendro, Passalo. 
Appendices sensiles antennariæ 
perbreves, conicæ, articulo pænultimo et terminali sub api- 
ceni insertæ. 
Articulus primus antennarum 
obconicus Osmodermati, Cetoniæ, Passalo, 
cylindricus Geotrypæ, Ateucho, 
clavate cylindricus Melolonthæ, Rhizotrogo, Lucano, 
D o r c o , 
clavatus reliquis; 
æque longus ae crassus Passalo, 
longior quam crassior tertia parte Cetoniæ, 
