Page:Quarterly Journal of the Geological Society of London, vol. 31.djvu/337

Rh, the teeth (262 in number) may be divided into four classes, according to their age:—41 being milk-teeth of various ages; 60 young molars, fangless, or with imperfectly developed fangs; and 21 aged, fanged, and much worn.

From this it would appear that the calves, yearlings, and young