Representative photomicrographs from a male spiny mouse of VP-ir cells in the (A) rostral BST (20x magnification), (B) caudal BST (20x magnification), (C) SCN and SON (10x magnification), (D) AH (20x magnification), (E) LH (10x magnification), (F) PVN (10x magnification), and (G) MeA (20x magnification). Images were pseudocolored purple.