‏الحج : Hadeeth No:3003 Ibn Abbas (Allaah be pleased with them) reported that it was said to Allaah's Prophet (sallAllaahu alayhi wa sallam) about sacrificing of animals, shaving of one's head, throwing of pebbles, and (the order of) precedence and succession, and he said: There is no harm in it....

‏الإمارة : Hadeeth No:4624 This tradition has been narrated on the authority of Sufyan with the addition from Abd ar-Razzaq (one of the narrators) explaining the meaning of shikal as a bone whose right back foot and left front foot or left back foot and right front foot are white....