Full details are given of external measurements and weight, as well as of skulls and certain teeth, of the Scottish Wild Cat, taken from recent specimens. The skulls show some variation, especially in the teeth, and tooth-wear alone is shown to be unreliable as regards age. Measurements are given of the long bones, and these show that there is no evidence of degeneration in the present Cat in comparison with prehistoric specimens. Details are given of the colour and markings. Summer specimens are mainly lighter than those of winter, but there seem to be no sexual differences at any season. It is shown, from examination of the specimens, that there is a spring and autumn breeding-season, though it does not necessarily follow that a cat will have two litters in the same year.