It Was Implicitly Supposed That Every Living

We May Take It To Be The Accepted Idea That The Mosaic Books Were Not Handed Down To Us For Our Instruction In Scientific Knowledge, And That It Is Our Duty To Ground Our Scientific Beliefs Upon Observation And Inference, Unmixed With Considerations Of A Different Order.

Next It Was Found That It Was Physiologically And Structurally The Same In The Plant, That It Was The Living Part Of The Plant, That Which Manifested The Life And Did The Work In Vegetable As Well As In Animal Organisms.

In Short, The Animal And Vegetable Lines, Diverging Widely Above, Join Below In A Loop.

I Accept Extinction As Best Explaining Disjoined Species. I See That The Same Cause Must Have Reduced Many Species Of Great Range To Small, And That It May Have Reduced Large Genera To So Small, And Of Families.

It Was Implicitly Supposed That Every Living Thing Was Distinctively Plant Or Animal; That There Were Real And Profound Differences Between The Two, If Only They Could Be Seized.