Olsen, Haskins & Braun 1978. Rhabdometra alpinensis n. sp. (Cestoda: Paruterinidae: Dilepididae) from southern white-tailed ptarmigan (Lagopus leucurus altipetens Osgood) in Colorado, U.S.A., with a key to the species of Rhabdometra Cholodkowsky, 1906. Canadian Journal of Zoology, 56(3) 1978: 446-450