 As Psamathe grieved over the loss of her child, Crotopus discovered about the secret child, and under the assumption she had acted like a harlot and was lying about Apollo, sentenced her to death.In retribution Apollo brought an unspecified plague ( ) upon Argos.An oracle prescribed the veneration of the mother and child, and the Argives held a Festival of Argis (Lamb festival) during the month of Arneios, involving women and girls singing the dirge to Linus (Linos) and the ritualized killing of dogs.