Oval body, offset neck with round mouth, A vertical
handle at the back, used for carrying and two horizontal
handles at the sides, used for lifting. The name "Hydria"
is from the word "hydor" means water.
It was produced from the beginning of the black-figure,
though early example has a round body. Hydria with continuous
curve is called "Kalpis", which was maybe introduced by the red-figure
Round body, three handles (see hydria)
and continuous curve from the lip to the foot. The
name "kalpis" is seemed to used as a same
meaning as hydria and modern scholar applied them
with either shapes.
It was produced from the end of the sixth century
to the end of the red-figure.