Agnipurana 331.1

331.1

agnir uvāca
vṛttaṃ samañcārdhasamaṃ viṣamañca tridhā vade /
samantāvat kṛtvakṛtamardhasamañca kārayet //

Agni said: / I shall state the three kinds of metre: even, half-even, and uneven. / One should make the even everywhere, and make the half-even;