. Carnegie Institution of Washington publication. 70 AMPHIBIA AND PISCES OF THE PERMIAN OF NORTH AMERICA Genus CARDIOCEPHALUS Broili. Cardiocephalus Sternberg! Broili. Paleontographica, Bd. li, 1904, s. 45. Type: Two small skulls, one with a few vertebrae, No. 147, xv, 1901, Museum of the Alte Akademie, Munich. From Texas. Original description of the genus and species (abstracted from Broili): Outline of the skull somewhat heart-shaped. The proportionately rather large orbits in the anterior half of the skull on the gently sloping side of the face. Nares rather large, widely separated, on the
. Carnegie Institution of Washington publication. 70 AMPHIBIA AND PISCES OF THE PERMIAN OF NORTH AMERICA Genus CARDIOCEPHALUS Broili. Cardiocephalus Sternberg! Broili. Paleontographica, Bd. li, 1904, s. 45. Type: Two small skulls, one with a few vertebrae, No. 147, xv, 1901, Museum of the Alte Akademie, Munich. From Texas. Original description of the genus and species (abstracted from Broili): Outline of the skull somewhat heart-shaped. The proportionately rather large orbits in the anterior half of the skull on the gently sloping side of the face. Nares rather large, widely separated, on the anterior end of the nose. Skull smooth and shining. Suture not definite; the probable position of the bones as indicated in the figure. Lyra present. Teeth proportionately large and compressed, becoming smaller anteriorly, with sharp fore and aft cutting edges. Number of teeth observed, ten. Lower jaw as long as skull. Fig. 17.—C. sternbergi. X 3. After Broili. A. Upper view of skull. B. Lateral view of skull, n, nasal; pf, prefrontal; /, lachrymal; /, frontal; ptf, postfrontal; p/o, postorbital; p, parietal; sq. squamosal; xo, su- praoccipital plate; mx, maxillary; ^ f, n:K T> J y, jugal + prosquamosal (.') Revised description: This genus is very close to Gymnarthrus, as noted above; for further description see morphological discussion, page Genus CROSSOTELOS Case. Crossoteios annulatus Case. Case, Second Ann. Rpt. Dept. Geol. and Nat. Hist.,Territory of Oklahoma, 1903-4, p. 65. Williston, Bull. Geol. See. Am., vol. 21, 1910, p. 271. Type: A series of vertebrae. No. 4343 University of Michigan. From Oklahoma. Original description: "A very interesting series of vertebrae, which occur quite commonly in the collection, indicate the presence of a form that is especially noteworthy from the resemblance which it bears to forms from other localities. Alost notable among its peculiarities is the fact that the upper portion of the neural spine and the extremity of the h
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