BIRDS . 
209 
I Saw New Birds in Spring. Description of a Bird I 
Know Edible Birds’ Nests. Birds on Oceanic 
Islands. The Future of the Domestic Sparrow. Bird 
Pets. Bird Courtships. Bird Migrations. Bird In¬ 
dustries. Superstitions about Birds. Canaries. Do¬ 
mesticated Birds. Parrots. Crows. The Robin. 
Birds in Millinery. Uses of Gulls. What Mr. Bur- 
Fig. 166.—The Archaeopteryx. 
roughs says in “Birds and Bees and Sharp Eyes.” 
Bird Homes. Shapes and Colors of Birds’ Eggs. 
Length of Life among Birds. Falconry. 
VOCABULARY. 
Am phib'ia (Or. amphi, around, or 
on both sides, and bios , life), a 
class of vertebrate animalsbreath- 
ing by gills when young. 
Au'ri cle (Lat. auris, ear), a cham¬ 
ber of the heart for receiving 
blood from the veins. 
Barb (Lat. barba , beardl, one of 
the side branches of a feather. 
Barb'ule (Lat. dim. of barba), one 
of the projections along the edges 
of the barbs of a feather. 
Bat ra'chi a (Gr. batrichos, frog), 
another name for the Amphibia. 
Car'pus (Gr. karpos, wrist), the 
wrist. 
Clo a'ca (Lat. cloaca , a sewer), a 
common cavity into which the 
