1: Pharaohs' symbol of power
21: Surgery sites, briefly
23: Lions and Tigers and Bears
25: Palindromic preposition
35: 'All for one and one for all,' e.g.
36: 'Sweet Pea' singer Tommy
37: Shape with cutting blows
49: Business letter addressees
58: Clothing size category
59: Naturally occurring potassium nitrate
64: They're passed on from father to son