“In the annals of the abnormal there is no more erotic nightmare,” per the poster tag line. Anita Strindberg is a hard-partier whose neighbor Florinda Bolkan has psychosexual fantasies about her, cueing murder and mayhem on a hallucinatory plane dizzying even by Fulci standards. With Jean Sorel (Belle de Jour), Silvia Monti (The Brain), Stanley Baker (Robbery), and Leo Genn (Quo Vadis); an Ennio Morricone score; and ultra-real animal FX by Giovanni (Carlo) Rambaldi.