"After killing Dushana (his brother) first, Trishira (the other brother) was killed thereafter. Then Surpanakha afflicted by Rama (the incident of destruction of Rakshasas) sought refuge with Ravana." [6-129-21]
"Ravana sent dreadful Rakshasa by name Maricha, who assumed the form of deer with precious stones (on body) created a desire for it in Vaidehi." [6-129-22]