COLEOPTERA. 391 



The PiiTiLOPHAGi consist of Scarabjeides whose mandibles are covered 

 above by the epistoma, and concealed beneath by the maxillse; their outer 

 side is alone exposed, without however overlapping; their outer side pre- 

 sents none of the sinuses or dentations observed there in Rutela and other 

 analogous subgenera. The anterior edge of the labrum is exposed; it is some- 

 times in the form of a reversed and wide triangle, and most frequently trans- 

 versely laminiform, and emarginated in the middle. The number of the 

 antennal joints is not constant, and varies from eight to ten :-the same remark 

 applies to those of the club, and in several, with respect to this, the two sexes 

 differ greatly. The ligula is entirely covered by the mentum, or incorpor- 

 ated witli its anterior face, and the elytra are completely joined along the 

 whole of the suture, characters which distinguish these Insects from those 

 of the fifth section. 



In the AiTTHOBii the antenn2e are composed of nine or ten joints, the 

 three last of which alone form the club in both sexes. The lobe terminat- 

 ing the maxillse is frequently almost membranous, silky, penicilliform, cori- 

 aceous, and dentated along the inner edge in others. The labrum and 

 mandibles are more or less soUd in proportion as they are more or less ex- 

 posed. The Anthobii Hve on flowers or leaves. 



Some of these Insects inhabit the north of Africa and other countries 

 situated on the Mediterranean; most of the others are found in the higher 

 portions of western Asia. 



The genera that compose this section are Glaphyrus, JLmphicoma, Jin- 

 ihipna, &c. 



The sixth and last section of the Scarabaeides, that of the Meuto- 

 PHiti, is composed of Insects in which the body is depressed, most com- 

 monly oval, brilliant, and without horns, and the thorax is trapeziform, or 

 nearly orbicular; an axillary part, in the greater number, occupies the space 

 comprised between the posterior angles and the exterior of the base of the 

 elytra. The sternum is frequently extended into a point or projecting 

 horn. The hooks of the tarsi are equal and simple. The antennae consist 

 of ten joints, the three last of which form a club, always foliaceous. The 

 labrum and mandibles are concealed, laminiform, flattened, and membran- 

 ous, or nearly so. The maxUlae terminate in a silky, penicilUform lobe 

 without horny teeth. The mentum is commonly ovoid, truncated superiorly, 

 or almost square, and the middle of the superior margin more or less con- 

 cave or emarginate. The ligula is not salient. 



The larvae hve in rotten wood. The perfect Insect is found on flowers, 

 and frequently on trunks of trees, that give out a fluid which they suck. 



This section is susceptible of being separated into three principal divi- 

 sions, the first of which corresponds to the genus Trichius, Fab.; the second 

 to that of Goliath, Lam.; and the third to Cetonia, Fab., but reduced and 

 simplified. 



In the first — Trichides — the mentum is either isometrical, or longer than 

 wide, and leaves the maxillae exposed. It comprises the 



