288 COMPARATIVE ZOOLOGY. 
They are 
burying a mouse, preparatory to laying their eggs in it. 
club-shaped antennz; the Goliath Beetles (Scarabeus), 
the giants of the order; the Snapping-bugs (Hater); the 
Lightning - bugs (Pyrophorus); the spotted Lady - birds 
(Coccinella); the showy Long-horned Beetles (Cerambye- 
ide); and the destructive Weevils (Curculionide), with 
pointed snouts. 
5, Dipters, or “Flies,” are characterized by the rudi- 
mentary state of the hinder pair of wings. Although 
having, therefore, but one available pair, they are gifted 
with the power of very rapid flight. While a Bee moves 
its wings 190 times a second, and a Butterfly 9 times, the 
