. Elements of geology : a text-book for colleges and for the general reader. Geology. JURA-TRIAS IN AMERICA. 465 with many American genera, such as Laosaurus (Fig. 747) and Camp- tosaurus (Fig. 748). They were tliree-toed, digitigrade, bipedal herbi- vores. The Stegosaurs were perhaps the most remarkable of all. They 2. Fig. 749. Fig. 749.—1. Bones of left fore-leg of Stegosaurus ungulatus (after Marsh): s, scapula; c, coracoid; h, humerus: r, radius; u, ulna; I, first digit; V, fifth digit. 2. Bones of left hind-leg of Stego- saurus ungulatus: il, ilium; is, ischium; p, pubis; p', post-pubis;

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. Elements of geology : a text-book for colleges and for the general reader. Geology. JURA-TRIAS IN AMERICA. 465 with many American genera, such as Laosaurus (Fig. 747) and Camp- tosaurus (Fig. 748). They were tliree-toed, digitigrade, bipedal herbi- vores. The Stegosaurs were perhaps the most remarkable of all. They 2. Fig. 749. Fig. 749.—1. Bones of left fore-leg of Stegosaurus ungulatus (after Marsh): s, scapula; c, coracoid; h, humerus: r, radius; u, ulna; I, first digit; V, fifth digit. 2. Bones of left hind-leg of Stego- saurus ungulatus: il, ilium; is, ischium; p, pubis; p', post-pubis;/, femur; t, tibia;/', fibula; a, astragalus; c, calcaneum; I, first digit; V, fifth digit. One sixteenth natural size. Fig. 750.—Outlines representing transverse sections through brain of Stegosaurus ungulatus, and sacral cavity : b, brain; s, sacral cavity. One fourth natural size (after Marsh). 30. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original LeConte, Joseph, 1823-1901. New York : D. Appleton and Co.

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Keywords: ., bookcentury1800, bookdecade1890, booksubjectgeology, bookyear1892