Terrestrial isopods from west Africa. Part 2. Families Tylidae, Ligiidae, Trichoniscidae, Styloniscidae, Rhyscotidae, Halophilosciidae, Philosciidae, Platyarthridae, Trachelipidae, Porcellionidae, Armadillidiidae. Monitore Zoologico Italiano Supplemento, 11(2) 1978: 15-97. 34 [Zoological Record Volume 115]