1)
Here, the verse lists [on the border] ha'Har, Gei Ben Hinom, and Kesef Yevusi. Above (15:8), the order is different - Gei Ben Hinom, Kesef Yevusi, ha'Har!
1.
Bi'ur ha'Gra: Refer to 15:8:7:1.
2)
Why is Yerushalayim not listed on Binyamin's border? It is listed on Yehudah's border (15:8)!