278 ON THE CLASSIFICATION OF BIRDS. 
cumstance which entirely takes ofF the freshness and 
brilliancy of birds in the London collections in three or 
four years), and ready, with a moment’s trouble, to he 
handled and examined. To each specimen a strip of 
card is attached, with the name, &c., written thereon, 
and tucked beneath the wing. A regular inspection is 
made three or four times a year : if any injury by in- 
sects is observed, the specimen is taken out and placed in 
quarantine ; a box strongly impregnated by camphor, or 
the oven, performs this office : and in this manner have 
birds, collected near twenty years ago, retained aU the 
beauty and freshness they possessed on the day of their 
death.' 
