Show many birds are provided ro 1115 ed with rut nat uial acles a transparent moin mem prane brane called the third eyelid ihla 1 I his third ord cselle lies folded in the lam lynnr r corner of tile the eye two muscles it spreading it over the chinea or folding it up again much moia clever ly y than it a roan man can put on or tike off hla his spectacles but for this third evo lid the eagle could not look at the sun aim the spectacled bear belongs to chile its ilg latin name la Is it I 1 ig mack and arouni its ts eyes adle tings lings are ara dran which have exactly the ap dearance Ds arance of a bair of gokler |