Project Sherlock

Book

1942

Systematics and the Origin of Species

Ernst Mayr

Defines species by reproductive isolation rather than morphology, and argues geographic isolation of populations is the ordinary route to a new one.

No free copy is linked yet — expect to buy or borrow this one elsewhere.

Read these first

Not a difficulty warning — a route. These are in the library too.

Groundwork for

Works in the library that name this one as a prerequisite.

Filed under Evolutionary Biology in Biology.