. Principles of zoölogy : touching the structure, development, distribution, and natural arrangement of the races of animals, living and extinct with numerous illustrations : Part 1, Comparative physiology : for the use of schools and colleges. c Fig. 164. e Gasteropods in their shape, but are nevertheless cham-bered. The Ammonites themselves are quite as numerou3. as in the Oolitic period, and are in general much orna-mented, («.) The Acephala furnish us, also, with peculiartypes, not occurring elsewhere, Magas^ («,) the hioceramus^ * {a^ Ammonites; [h) Crioceras; (c) Scaphites; (d) Ancylocer

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. Principles of zoölogy : touching the structure, development, distribution, and natural arrangement of the races of animals, living and extinct with numerous illustrations : Part 1, Comparative physiology : for the use of schools and colleges. c Fig. 164. e Gasteropods in their shape, but are nevertheless cham-bered. The Ammonites themselves are quite as numerou3. as in the Oolitic period, and are in general much orna-mented, («.) The Acephala furnish us, also, with peculiartypes, not occurring elsewhere, Magas^ («,) the hioceramus^ * {a^ Ammonites; [h) Crioceras; (c) Scaphites; (d) Ancyloceras(c) Hamites; (/) Baculites; (y) Turnlites. AGES OF NATURE. 233 {!),) the Hipimritcs^ (c,) and peculiar Spnndi/li, with longspines, (d.) There is also a great variety of GasJero-pcis, among which are some peculiar forms of Pleu

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Keywords: ., bookcentury1800, bookdecade1860, booksubjectp, booksubjectzoology