. Bulletin de la Société impériale des naturalistes de Moscou. Science; Biology; Geology; Natural history. — 124 — by Kutorga iu 1838 as exclusively mammalian. Huxley first described it as extending to the reptilian class, calling it a «supra-condyloid foramen». *) Owen in 1876 **) definitively determined its homology. In repti- les it has only been found in genera of Permian or Triassic age. In mammals it has been observed in ??- nithorhynchus, Echnida, Arctomys, Helamys, Sci- urus maximus and S. cinereus, Talpa Euro- paea, all the Armadillos, Manis, OrycteropuSjMyr- mecophaga, Bradypus (Chol
. Bulletin de la Société impériale des naturalistes de Moscou. Science; Biology; Geology; Natural history. — 124 — by Kutorga iu 1838 as exclusively mammalian. Huxley first described it as extending to the reptilian class, calling it a «supra-condyloid foramen». *) Owen in 1876 **) definitively determined its homology. In repti- les it has only been found in genera of Permian or Triassic age. In mammals it has been observed in ??- nithorhynchus, Echnida, Arctomys, Helamys, Sci- urus maximus and S. cinereus, Talpa Euro- paea, all the Armadillos, Manis, OrycteropuSjMyr- mecophaga, Bradypus (Choloepus) didactylus, Phoca, Ursus ornatus, all subursines, Procyon, Cercoleptes, Batellus mellivorus, Mydaus,Man- gusta, Chiromys, Licha- notus, Stenops gracilis, Lemur catta and Calli- thrix sciureus. Besides these, the Glutton, Ot- ter and all felines pos- sess it. It is doubtful, whether it ever occurs in the human subject, but it exists abnormally in a few of the humeri Fig. 1. of fossil bears. This ul- nar supracondyloid foramen (entepicondylar of Owen) is. cc *} On vertebrate fossils from the Panchet Rocks. 1865. **) Quart. Journ. Geolog. Soc cit. supra. 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 Moskovskoe obshchestvo liubitelei prirody. Moscou : Société impériale des naturalistes de Moscou
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