Oct. 22, 1914



Dr. Holland:-

In regard to Xenotherium unicum, if the generic name is, without doubt preoccupied a new name will have to be substituted of course.

I think I would not substitute any name which suggests a Monotreme as all who have expressed any opinion to me think it is not at all` related to the Monotremes but is nearly allied to the Chrysochloridae. The general contour of the skull is surely very much like some of the living members of that family, but they all utterly ignore the radical difference in the teeth which, so far as I know, are different from any known Insectivore living or extinct. There is a mighty difference between a simple one rooted peg-shaped tooth and that of the other insectivores. I feel pretty