BREEDING AND CROSS-BREEDING. 249 
black there is little to do beyond these two distinctions 
of color. The metallic-hard-finished surface and the 
dull black, if crossed, restore to the progeny the metal- 
lic-black desired. Birds of this cross should be mated 
to those of the metallic-black mating. In solid white 
specimens, the points tv consider are purity of plumae 
color, that is, white in web and shaft. Males from yel- 
low females are not satisfactory. Females with yellowish 
tinge and quills must be mated to pure white males. 
Piymouta Rocxs.—Males with breast of the color 
desired in the females, with yellow back and legs, with 
FIG. 94. BLACK JAVAS. 
neck, back and tail evenly barred, the light shade pre- 
dominating, yet free from any white feathers in flights 
or tail, mated to females in plumage slightly darker 
than, yet accurately described by, the standard. This 
should be the mating to preserve the male line. Again, 
mate cocks like the one described above with females a 
little too light in color. This mating produces good 
females. 
Wvranpotres, Cotorep.—A male like that in stand- 
ard, except that the breast be black with small white 
