Skull and tooth variation in the genus Perameles. Part 1. Anatomical features / by L. Freedman. Skull and tooth variation in the genus Perameles. Part 2. Metrical features of P. nasuta / by L. Freedman and A.D. Joffe. Skull and tooth variation in the genus Perameles. Part 3. Metrical features of P. gunnii and P. bougainville / by L. Freedman and A.D. Joffe.