# Pallas — The Origin of Species character guide

> Pallas in The Origin of Species by Charles Darwin.

**Role:** minor

**Also known as:** Pallas

**First appearance:** 0004-i-variation-under-domestication

## Who they are

A naturalist who studied the geography and variation of species.

## In the story

### [Distinct Species Present Analogous Variations, So That a Variety of One Species Often Assumes a Character Proper to an Allied Species, or Reverts to Some of the Characters of an Early Progenitor](https://www.betterreads.dev/discover/the_origin_of_species_se/chapters/distinct-species-present-analogous-variations-so-that-a-variety-of-one-species-often-assumes-a-character-proper-to-an-allied-species-or-reverts-to-some-of-the-characters-of-an-early-progenitor)

Described the koulan with a double shoulder-stripe.

### [Degrees of Sterility](https://www.betterreads.dev/discover/the_origin_of_species_se/chapters/degrees-of-sterility)

Propounded the alternative that hybrids reared under domestication became quite fertile, a view Darwin finds probable.

### [Fertility of Varieties When Crossed, and of Their Mongrel Offspring, Not Universal](https://www.betterreads.dev/discover/the_origin_of_species_se/chapters/fertility-of-varieties-when-crossed-and-of-their-mongrel-offspring-not-universal)

Proposed the doctrine that domestication eliminates sterility between species.

## Links

- HTML: https://www.betterreads.dev/discover/the_origin_of_species_se/characters/pallas
- Book: https://www.betterreads.dev/discover/the_origin_of_species_se
- All characters: https://www.betterreads.dev/discover/the_origin_of_species_se/characters