The Dawn Races of Early Man · The Dawn Mammals

62:2.2

These dawn mammals attained full growth when three or four years of age, having a potential life span, on the average, of about twenty years. As a rule offspring were born singly, although twins were occasional.

Close in 0 of 10 texts

Closest passages

Close in meaning, found by a language model. A match does not mean the teachings are the same.