
COLEOPTERA. 457 
market-gardeners, who employ the tannin of the oak bark, have 
rendered this Coleopteron very common in the environs of that 
capital. Fig. 438 represents an exotic species, the Oryctes dicho- 
_ tomus. 
Among the true Scarabei, we meet with many species of 
| gigantic size, especially in America. The Scarabeus Hercules, a 
| great insect of a fine ebony black, with its elytra of an olive grey, 

Fig. 438.—Oryctes dichotomus. 
is not rare in the Antilles. Its thorax is prolonged into a horn as 
long as its body, and bent round at the extremity ; its head has 
also a long horn standing erect. The females want these append- 
ages. Fig. 439 represents the Scarabeus claviger of Guyana. 

Fig. 489.—Scarabeus claviger. 
The Geotrupes are insects almost ascommon as the chafers, As 
their name reminds us, they make holes in the ground, which they 
‘scoop out particularly in meadows, under cow-dung which has 
grown dry on thesurface. It 1s under the excrements of ruminating 










