FEBRUARY. 23 



26. Bostrichida. Antennse short, with a three-jointed 



club ; mandibles robust ; thorax forming a shield over 

 the head ; body cylindrical ; size small. Locality, trunks 

 of trees. 



27. Scydmexida. Antennse as long as the head and thorax ; 



mandibles toothed ; legs long and slender ; size very 

 minute. Locality, under stones and moss. 



SECTION II. 



HETEROMERA. Five joints in the first four tarsi, and four in 

 the hindmost. 



1. Notoxida. Antennse filiform, or slightly thickened at 



the tips; mandibles strong, triangular or quadrate; 

 maxillary palpi terminated in a large hatchet-shaped 

 joint ; thorax narrow behind ; size minute. Localities, 

 sandy situations and various plants. 



2. Pyrockroidce. Antennse in the males generally pecti- 



nated or serrated ; mandibles acutely notched at the 

 tips ; maxillary palpi serrated ; body narrow in front ; 

 elytra covering the body; colour red. Localities, 

 flowers and leaves. 



3. Itagriida. Antennse filiform; mandibles short and 



thick ; maxillary palpi, last joint triangular ; head and 



