Go I don't know where and bring back I don't know what!--Frost.--The frog princess.--Vasilisa the Beautiful.--Ivan the fool.--The Swan-geese.--The Firebird and princess Vasilisa.--The psaltery that played by itself.--A feather of Finist the bright falcon.--The wonder-working steeds.--Marya Moryevna.--The seven Simeons and the trained Siberian cat.