The third section embraces the period of Linnaeus, and
gives his classification. The fourth, that of Cuvier, and Anatomical
systems, with the classifications of Cuvier, Lamark, De Blainville,
Ehrenberg, Burmeister, Owen, Milne-Edwards, Von Siebold and Stannius,
Leuckart. The fifth section includes the Physiophilosophical systems,
with diagrams of Oken's and Fitzinger's classifications, and a
special article for the circular groups of McLeay. The sixth and last
section is devoted to Embryological systems, and presents diagrams
of the classifications of Von Baer, Van Beneden, Koelliker, and Vogt.
The second part of the Monograph introduces us to the consideration
of a special subject of Natural History,--the North American
Testudinata. Its three chapters treat successively of this order of
Reptiles,--of its families,--of its North American genera and species.
The THIRD PART, contained in the second volume, is entitled,
"Embryology of the Turtle." It consists of two chapters: "Development
of the Egg, from its first appearance to the formation of the embryo."
"Development of the Embryo, from the time the egg leaves the ovary
to that of the hatching of the young." Then follow the explanation
of the plates and the plates themselves, thirty-four in number.
We need not attempt to give any account of the parts devoted to the
development of these particular subjects.
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