MANUAL OF NATURAL HISTORY. 203 



tennae filiform or setaceous, more or less elongate, 

 sometimes very long and slender ; body more or 

 less elongated, convex or slightly depressed ; eyes 

 generally lunate. Wood eating ; larvae residing in 

 trees. 



80. Family. — Goat-Beetles (Prionidae). Antennae 



stout, moderate, serrated in the males ; eyes 

 notched ; labrum very small or obsolete ; 

 mandibles large, robust ; head not narrowed 

 behind into a neck ; thorax transverse, usu- 

 ally toothed on the sides ; body elongate, 

 convex. Found on trunks of trees ; fly by 

 twilight ; colours obscure. 



81. Family. — Musk-Beetles (Cerambicidae). An- 



tennae very long, never serrated ; eyes notch- 

 ed ; labrum exserted, transverse ; maxillary 

 lobes distinct, membranous ; head exserted, 

 deflexed ; thorax somewhat cylindric, lateral 

 margin sometimes spined ; body long and 

 rather flat, occasionally somewhat convex ; 

 femora often clavate. Often gaily coloured ; 

 found in woods and forests, sitting on trunks 

 of trees ; frequently emit a fragrant odour. 



82. Family. — Long-horned Flower-Beetles (Leptu- 



ridae). Antennae moderate, inserted before 

 the eyes ; eyes entire, rounded or very slightly 

 notched ; labrum exserted, transverse ; head 

 deflexed, with a distinct neck ; thorax some- 

 what conical, narrowed in front ; elytra nar- 

 rowed behind. Active; usually found upon 

 Umbelliferous flowers in the hot sunshine. 



