Zoological Philosophy

PRELIMINARY DISCOURSE

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The Influence of Circumstances on the Actions and Habits of Animals

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Chapter 1

Orders, Families

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Chapter 1b

The Genus, Genera

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Chapter 1b

The Importance of Considering Affinities

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Chapter 2

The Importance of Considering Affinities

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Chapter 2b

The Influence of Circumstances on the Actions and Habits of Animals

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Chapter 3

Lamarck's Principles

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Chapter 3b

General Observations on Animals; Extinct Species

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Chapter 3c

General Observations Concerning Animals

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Chapter 4

Definition of Animals and Plants

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Chapter 4b

The Distribution and Classification of Animals

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Chapter 5

The Present Classification of Animals

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Chapter 5b

Distribution of Animals Established by Linnaeus

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Chapter 5c

Classes of Animals Without Vertebrae

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Chapter 5d

Degradation and Simplification in the Organic Structure

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Chapter 6

Mammals

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Chapter 6b

Birds

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Chapter 6c

Invertebrate Animals

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Chapter 6d

Reptiles

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Chapter 6e

Fish

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Chapter 6f

Cirrhipedes And Annelids

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Chapter 6g

Crustaceans

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Chapter 6h

Arachnids 9th Rank

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Chapter 6i