Troides helena common in many of the localities in which it occurs, was classified as vulnerable in 1985. Helen in Greek mythology Helen was the daughter of Zeus. Cerberus or Kerberos, in Greek and Roman mythology, is a multi-headed hound which guards the gates of the Underworld. This species is protected under Wild Animals Protection Ordinance Cap 170 in Hong Kong. The common birdwing is protected in Indonesia and may also require protection in peninsular Malaya also. It is listed in Appendix II of Convention on the International Trade in Endangered Species of Wild Flora and Fauna (CITES) as are all other
The Case of the Howling Dog the dog for a lookalike. He gives Bessie the dog and orders her not to tell anyone what really happened. Perry later tells Della that he is sure that whatever Bessie did was in self-defense. On October 23, 2012, Warner Home Video released the film on DVD in Region 1 via their Warner Archive Collection alongside "The Case of the Curious Bride", "The Case of the Lucky Legs", "The Case of the Velvet Claws", "The Case of the Black Cat" and "The Case of the Stuttering Bishop" in a set entitled "Perry Mason: The Original Warner Bros. Movies Collection". This