. Elements of geology : a text-book for colleges and for the general reader. Geology. : * * Fig. 610.—Pemphyx Sueurii. —Ceratites nodosus. Fig. 611.—Glaphroptera pterophylli (after Heer). Reptiles.—The reptiles of the Triassic are imperfectly known. They belong mainly to four orders, viz.: 1. Labyrintliodonts ; 2. Rliyncosaurs (beaked Saurians); 3. Anomodonts (lawless-toothed) ; and, 4. TJierio- donts (beast-toothed). The last two are sometimes united in one order —Theromorpha. The Labyrinthodonts are found also in the Carbon- iferous and Permian; but the other three orders are characteristic

---

. Elements of geology : a text-book for colleges and for the general reader. Geology. : * * Fig. 610.—Pemphyx Sueurii. —Ceratites nodosus. Fig. 611.—Glaphroptera pterophylli (after Heer). Reptiles.—The reptiles of the Triassic are imperfectly known. They belong mainly to four orders, viz.: 1. Labyrintliodonts ; 2. Rliyncosaurs (beaked Saurians); 3. Anomodonts (lawless-toothed) ; and, 4. TJierio- donts (beast-toothed). The last two are sometimes united in one order —Theromorpha. The Labyrinthodonts are found also in the Carbon- iferous and Permian; but the other three orders are characteristic of the Triassic and Permian, and therefore of peculiar interest. 27. 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.

---

Size: 2288px × 1092px
Photo credit: © Paul Fearn / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1800, bookdecade1890, booksubjectgeology, bookyear1892