lepidoptera. 
cossus labyrinthicus. 
SPECIFIC CHARACTER. 
Wings cinereous: anterior pair with whitifh ftreaks and daubs, and numerous labyrinthiform involuted 
fufcous lines. 
Cossus Labyrinthicus: alis cinereis: anticis ftrigis liturifque albidis lineifque numerofis inyolutis 
labyrinthiformibus fufcis. 
The only fpecimen of this extraordinary fpecies of Cofius we have yet feen is that in the cabinet of 
our worthy friend Mr. Francillon, from which our drawing is taken. It is moft indubitably an unde- 
fcribed infcft. 
COSSUS ARGENTiEUS. 
SPECIFIC CHARACTER. 
Wings fufcous-grey: ditk of the anterior pair fufcous with two filvery ftreaks. 
Cossus Argentjeus: alis fufco cinereis: anticis difco fufcis ftrigis duabus argentaeis. 
From the fame cabinet as the former. This is alfo an undelcribed ipecies. 
