Essay on the Theory of the Earth

by baron Georges Cuvier

TABULAR VIEW

OF

The Genera of Fossil Mammifera, Cetacea, Aves, Reptilia, and Insecta, exhibiting their Geognostical Number and Distribution.

	Genera which are found						Number of Species.
Names of Genera.	Living only.	Living, and in the Fossil State.	Fossil only.	In the Strata anterior to the Chalk.	In the Strata of the Chalk.	In the Strata posterior to the Chalk.	In the Living State.	In the Fossil State.
Mammifera.
Ursus,		*				*		4
Mustela,		*				*		2
Canis,		*				*		4
Hyæna,		*				*		1
Felis,		*				*		2
Phoca,		*				*		2
Didelphis,		*				*		2
Castor,		*				*		1
Arvicola,		*				*		2
Lagomys,		*				*		2
Lepus,		*				*		2
Megalonyx,			*			*		1
Megatherium,		*	*			*		1
Elephas,		*				*
Mastodon,			*			*		6
Hippopotamus,		*				*		4
Sus,		*				*		1
Anoplotherium,			*			*		2
Xiphodon,			*			*		1
Dichobunus,			*			*		3
Anthracotherium,			*			*		2
Adapis,			*			*		1
Chæropotamus,			*			*		1
Rhinoceros,		*				*		4
Palæotherium,			*			*		8
Lophiodon,			*			*		5

	Genera which are found						Number of Species.
Names of Genera.	Living only.	Living, and in the Fossil State.	Fossil only.	In the Strata anterior to the Chalk.	In the Strata of the Chalk.	In the Strata posterior to the Chalk.	In the Living State.	In the Fossil State.
Tapirus,		*				*		1
Elasmotherium,			*			*		1
Equus,		*				*		1
Mus,		*				*		1
Cervus,		*				*		5
Bos,		*				*		4
Myoxus,		*				*		2
Cetacea.
Manatus,		*				*		1
Delphinus,		*				*		4
Balæna,		*				*		3
Aves.(a)
Sturnus,		*				*		1
Pelecanus,		*				*		1
Charadrius,						*		1
Reptilia.
Testudo,		*				*		6
Crocodilus,		*			*			6
Plesiosaurus,			*					1
Ichthyosaurus,			*	*				4
Pterodactylus,			*	*		*		3
Rana,		*				*		1
Mosasaurus,			*		*			1
Salamandra,		*				*		1

	Genera which are found						Number of Species.
Names of Genera.	Living only.	Living, and in the Fossil State.	Fossil only.	In the Strata anterior to the Chalk.	In the Strata of the Chalk.	In the Strata posterior to the Chalk.	In the Living State.	In the Fossil State.
Insecta.
Silpha,(b)		*				*
Curculio,(c)		*				*
Scorpio,(c)		*				*
Musca,(c)		*				*
Blatta,(c)		*				*
Tipula,(c)		*				*
Aranea,(c)		*				*
Ichneumon,(c)		*				*
Libellula,(d)		*				*
Scarabæus,(d)		*				*
Scolopendra,(d)		*				*
Papilio,(d)		*				*
Hemerobia,(d)		*				*
Carabus,(d)		*				*

(a) It is extremely difficult to make out the genera of the Birds, whose remains occur in a fossil state, and there are more of them than those mentioned.

(b) In the lignite; the number of species cannot be given in the insects.

(c) In amber.

(d) In the fossil rocks, according to the old authors.

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