CHAP. CV. 



CORYLA'CEiE, QUE'RCUS. 



1817 



at intervals ; whilst these kinds of insect foods, abounding with a very rich 

 and delicious oil, are, consequently, the most wholesome and nutritious which 

 men in the situation above described could possibly procure ; requiring no 

 other preparation than roasting in any manner." {Driiry IntrocL, vol. iii.) 

 Of these longicorn beetles, several British species inhabit the oak, especially 

 Prionus coriarius, which is the largest species found in this country, and of 

 which the larva is not much smaller than that of the Cossus. The body is long, 

 fleshy, and of a pale whitish colour ; the head is rather small and flat; the 

 anterior segments of the body the broadest, the remainder becoming gradually 

 narrower to the tail ; the legs are very minute; the body is not bent in the 

 same manner as that of the larva of i-ucanus. Clytus arcuatus and Leptura 

 scutellata are also found upon the oak, as well as several species of the coleop- 

 terous families Elaterida? and Tillidse, including Aplotarsus quercus and Elater 



