HOUWINK’S EXPER. CONC. THE ORIGIN OF SOME DOMESTIC ANIMALS 49 
Tarsi bluish white, a color gradually passing into the horn-color of 
the toes. 
Hybrids 
BEEBE says that there are, in coloration, two general types of beki- 
sars (hybrids of varius and domestic hen) derived through the mother 
from the red and the cream colored Malay game. These two colours are 
always most apparent and the last to disappear on the wing coverts. 
The extreme of the red type is where the violet and green iridescence 
have spread over the body until they almost or quite obliterate all 
other pigments. BEEBE secured a young cock in which the red is redu- 
ced to narrow fringes on the coverts and rump. The bill face, feet and 
legs, and most of the comb and wattle are jet black. 
The extreme of the cream type is pure white throughout. BEEBE got 
a poor specimen, which is whitish in general, with golden-yellow fringe 
on the hackles, but dirty cream on the coverts and back, with the 
wings and tail, part white, part metallic green. 
The neck hackles of the first generation hybrids are much like those 
of varius, but with narrow margins of buff or red. The sub-auricular 
laps or wattles are often of large size. The green area on the comb is 
usually replaced with the red, and the yellow on the wattle with bluish 
white. In pure white birds this area may be sulfur-yellow. The irides of 
all are pale, but orange instead of yellow. The shape and color of the 
comb are like those of the domestic cock, while the median wattle is as 
in varius. After death however the basal part of the comb, which is 
greenish in varius, at once turns fleshy white, while the remainder holds 
its deep red hue for many days before slightly fading. Occasionally a 
bird will be found with both comband wattle as in varius, and exagge- 
rated both in size and color. The rarity of such types of birds is attested 
by the high price at which they are held. 
The general character of the crow and the power of flight are both 
like those in the wild fowl. In general size the hybrids excel 
both parents. 
The second generation is known in many places as kekoks. This is 
probably a contraction of bekikko a name which in Western Java is 
given to the wild red junglefowl 1). The aptness is apparent when we 
1) This the senior author always heard referred to as Kasintoe. 
Genetica V. 4 
