100 LECTURE IX. 



sects of the Locust and Grasshopper tribe ; the 

 Cockroaches ; the Lantern-Flies ; the Cicadse, and 

 many others, some of large and some of very small 

 size* 



The genus called Blatta o Cockroach is dis- 

 tinguished by the flattened form of the body ; by 

 a pair of long, bristle-shaped horns at the head, 

 by the wings lying horizontally over the body, 

 and by a pair of tips or processes resembling short 

 horns at the end of the body. The Cockroaches- 

 are a numerous and disagreeable tribe ; generally 

 running very swiftly, chiefly appearing by night, 

 and feeding on almost all kind of animal sub- 

 stances: they are mostly natives of warm cli- 

 mates : the species now so very common in this 

 country, and especially in the metropolis, is sup- 

 posed to have been originally imported from the 

 Eastern regions; it has obtained among the Lon- 

 don vulgar the very improper title of the Black 

 Beetle, a name which not only confounds it with a 

 species of real Beetle, emphatically so called i 

 the country, but also leads people erroneously to 

 suppose it of the Beetle tribe or order Coleoptera. 

 It is the Blatta Orientalis of Linnaeus, and should 

 be called the Eastern or Oriental Cockroach. To 



