I Feel That One Species, Mankind, Doesn't

A Species Is A Reproductive Community Of Populations Reproductively Isolated From Others That Occupies A Specific Niche In Nature.

In Those Early Years In New York When I Was A Stranger In A Big City, It Was The Companionship And Later Friendship Which I Was Offered In The Linnean Society That Was The Most Important Thing In My Life.

Evolution, Thus, Is Merely Contingent On Certain Processes Articulated By Darwin: Variation And Selection. No Longer Is A Fixed Object Transformed, As In Transformational Evolution, But An Entirely New Start Is, So To Speak, Made In Every Generation.

It Seems To Me That For Darwin The Pulsing Of Evolutionary Rates Was A Strictly Vertical Phenomenon.

Every Politician, Clergyman, Educator, Or Physician, In Short, Anyone Dealing With Human Individuals, Is Bound To Make Grave Mistakes If He Ignores These Two Great Truths Of Population Zoology: (1) No Two Individuals Are Alike, And (2) Both Environment And Genetic Endowment Make A Contribution To Nearly Every Trait.