200 MANUAL OF NATURAL HISTORY. 



serted at the base in front of eyes ; palpi fili- 

 form, short ; maxillae bilobed ; thorax more 

 or less heart-shaped ; body ovate or oblong, 

 flattish ; legs slender ; penultimate joint of 

 tarsi bilobed. Often brightly coloured ; found 

 in flowers or beneath the bark of trees. 



Y. LEGION. PSEUDOTETRAMEROUS-BEETLES 

 (Pseudotetramera). 



Palpi four, two labial and two maxillary ; head 

 produced in front into a rostrum with the mouth at 

 its apex, with the antennae 9-10-jointed, more or 

 less clavate, or head not rostrate, with the antennae 

 11 or 12-jointed, filiform or setaceous, occasionally 

 serrated ; labium more or less heart-shaped ; tarsi 

 5-jointed, the fourth joint very minute and concealed 

 by the third. 



XIV. SUB-ORDER. SNOUT-BEETLES (Rhynchophora). 



Head produced in front into a rostrum with the 

 mouth at the apex ; palpi minute ; labrum wanting 

 or obsolete ; mandibles generally small, stout ; an- 

 tennae inserted on rostrum, mostly clavate, basal 

 joint usually elongate ; funiculus (joint between 

 basal one and club) slender ; body short, firm, hard ; 

 abdomen mostly robust. Subsisting upon plants. 



I. TRIBE. STRAIGHT-HORNED SNOUT-BEETLES 

 (Orthocerata). 



Antennae not elbowed, basal joint not much elon- 



