Descriptions of four species of pentastomid parasites belonging to the genera Alofia Giglioli, 1922 and Sebekia Sambon, 1922, from a single Nile crocodile Crocodylus niloticus from Botswana. Systematic Parasitology, 31(3), July 1995: 221-238. 228 [Zoological Record Volume 132]