DRACULA, PRINCE OF DARKNESS (1966, UK, 90m, 15) ***½ Horror dist. Warner-Pathé Distributors (UK), Twentieth Century Fox (USA); pr co. Associated British Productions (ABP) / Hammer Films; d. Terence Fisher; w. Jimmy Sangster (as John Sansom) (based on an idea by Anthony Hinds (as John Elder) and characters created by Bram Stoker); pr. Anthony Nelson…