. Figure —Sixth cervical vertebra o!'Dinoceras cuneum, Marsh (No. 1042); front view. Figure 94 —The same vertebra; side view. nc. neural canal; z. anterior zysapopliysis; z'. posterior zygapophysis. Both figures are one-fourth natural size. In the sixth vertebra of Dinoceras cuneum, there is a distinct neural spine, and the centrum is slightly quadrate in outline, as shown in figure 93. The latter is shorter than in the corresponding vertebra of Dinoceras mirabile, as seen by a comparison of figures 92 and 94. Measin-ements of the sixth cervical vertebra in two individuals of Dinoceras are

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. Figure —Sixth cervical vertebra o!'Dinoceras cuneum, Marsh (No. 1042); front view. Figure 94 —The same vertebra; side view. nc. neural canal; z. anterior zysapopliysis; z'. posterior zygapophysis. Both figures are one-fourth natural size. In the sixth vertebra of Dinoceras cuneum, there is a distinct neural spine, and the centrum is slightly quadrate in outline, as shown in figure 93. The latter is shorter than in the corresponding vertebra of Dinoceras mirabile, as seen by a comparison of figures 92 and 94. Measin-ements of the sixth cervical vertebra in two individuals of Dinoceras are as follows :

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Keywords: ., bookcentury1800, bookdecade1880, booksub, booksubjectpaleontology