Note 408 — Chapter X · —Alexander reaches the city of King Ambigerus (Sambos?)—Ptolemy is there wounded by a poisoned arrow—An antidote to the poison is revealed to Alexander in a dream—He sails down to the mouth of the Indus—Founds Barce—Leaves India and returns to Babylon
Reading edition
This is supposed to be a corrupt reading for Ambiregis, in which case Ambi is a mistake for Sambi. We know that the incident referred to happened in the dominions of this king. In Orosius (iii. 19) the name is transcribed as Ambiraren.