APRIL. 85 



your cliin, and then expand into a triangular plate attached 

 by a joint, so as to bend upwards again, and fold over the 

 face, as high as the nose, concealing not only the chin and 

 the first-mentioned elongation, but the mouth and part of 

 the cheeks; conceive, moreover, that to the end of this 

 last-named plate are fixed two other convex ones, so broad 

 as to cover the nose and temples : that these can open at 

 pleasure like a pair of jaws, exposing the nose and mouth, 

 and that their inner edges, where they meet, are cut into 

 numerous sharp teeth and spines, or armed with long and 

 sharp claws. You will probably admit that your own visage 

 would present an appearance not very engaging, while con- 

 cealed by such a mask ; but it would strike still more awe 

 into the spectators, were they to see you first open the 

 two upper jaw-like plates, which would project from your 

 temples like the blinders of a horse ; and next, having, by 

 means of the joint at the chin, let down the whole apparatus, 

 and uncovered your face, employ them in seizing any food 

 that presented itself, and conveying it to your mouth. This 

 formation so exactly resembles a mask, that if entomologists 

 ever went to masquerades, they could not more effectually 

 relieve the insipidity of such amusements, and attract the 

 attention of the Demoiselles, than by appearing at the 



