LE P IDO PT E RA. 
COSSUS LABYRINTHICUS. 
SPECIFIC CHARACTER. 
Wings cinereous : anterior pair with whitifh fireaks and daubs, and numerous labyrinthiform involuted 
fufcous lines. 
Cossus Labyrinthicus: alis cinereis: anticis flrigis liturifque albidis lineifque numerofis involutis 
labyrinthiformibus fufcis. 
The only fpecimen of this extraordinary fpecies of ColTus we have yet feen is that in the cabinet of 
our worthy friend Mr. Francillon, from which our drawing is taken. It is mod: indubitably an unde- 
fcribed infedt. 
cossus ARGENT^US. 
SPECIFIC CHARACTER. 
Wings fufcous-grey : dilk of the anterior pair fufcous with two filvery ftreaks. 
Cossus Akgent.$us: alis fufco cinereis: anticis difco fufcis ftrigis duabus argentaeis. 
From the fame cabinet as the former. This is alfo an undefcribed fpecies. 
