CREEPERS. 
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Passing by the tree-creepers ( Certhia ), in which the tail is composed 
of stiff feathers, and also the Indian spotted - grey creeper (Salpornis), re¬ 
markable for building an open cup-shaped nest upon a branch, and in which the 
tail-feathers are soft, we select for special notice the wall-creeper, 
wan Creeper This beautiful creeper (Tichodroma muraria), which alone 
represents its genus, passes its entire existence in traversing the 
surfaces of precipices in pursuit of the spiders and flies constituting its food. 
THE WALL-CREEPER (| liat. size). 
Hence the bill is long, slender, and almost straight, adapted for probing interstices 
and cracks, such as usually constitute the haunts of its prey. The wing is large 
and rounded, like that of a butterfly, thus affording an easy support as the bird 
half flies, half flits about the mural precipices in which it makes its home; the tail 
is slightly rounded, and composed of twelve feathers; the metatarsus is smooth, 
and the claws are sharp and curved. Residing in the mountain-ranges of Europe, 
and ranging eastwards into Central Asia, the wall-creeper is found throughout the 
