In the days of auld lang syne on Earth-that-was, in the Valley of of Plain Speech in the hinterlands beyond the Lake of Ambiguous Fortune, there lived a population of pre-intelligent squirrels. Historical mammologists have classified them into two main subspecies: the west-valley ground squirrels and the east-valley tree squirrels—numbers 9792 and 9794 in Umi's grand encyclopædia of Plain Speech creatures, but not necessarily respectively: I remember the numbers, but I can never remember which one is which.
-Like many pre-intelligent creatures, both subspecies of Plain Speech Valley squirrels were highly social animals. Much of their social lives
+Like many pre-intelligent creatures, both subspecies of Plain Speech Valley squirrels were highly social animals.
+
+Much of their social lives
(well, there's a reason the ascension of Earth-that-was would be sparked by the _H. sapiens_ line of hominids some millions of years later, rather than by the Plain Speech species 9792 and 9794.)