
studies of b-glucuronidase acti-
vity in bile and liver of devel-
oping chick embryos and chicks
in search for the reason of the occur-
rence of unconjugated bilirubin and
biliverdin in chick-embryo and in chick
bile the possibility of a b-glucuronidase
function must be taken into serious con-
sideration.
