. Bulletin. Science; Natural history; Natural history. 148 SOUTHERN CALIFORNIA ACADEMY OF SCIENCES. Fig. 1. Calcanea of the Hyaenidae. a. Crocuta crocuta, b. Hyaena hyaena, c. Hyaena brunnea, d. Proteles cristatus. GT—greater tuberosity, S—sustentaculum, TP—trochlear process, CS—cuboid surface, A AS—anterior articular surface, MAS—medial articular surface, PAS—posterior articular surface. The shape of the greater tuberosity of H. brunnea is closer to that of C. crocuta than to other hyaenas. The junction of the anterior and medial articular surfaces is more obvious in H. brunnea than in H. hya
. Bulletin. Science; Natural history; Natural history. 148 SOUTHERN CALIFORNIA ACADEMY OF SCIENCES. Fig. 1. Calcanea of the Hyaenidae. a. Crocuta crocuta, b. Hyaena hyaena, c. Hyaena brunnea, d. Proteles cristatus. GT—greater tuberosity, S—sustentaculum, TP—trochlear process, CS—cuboid surface, A AS—anterior articular surface, MAS—medial articular surface, PAS—posterior articular surface. The shape of the greater tuberosity of H. brunnea is closer to that of C. crocuta than to other hyaenas. The junction of the anterior and medial articular surfaces is more obvious in H. brunnea than in H. hyaena (Fig. 1) although the young of H. hyaena also show a distinct connection. One specimen of H. brunnea is malformed (USNM 221088). The malformation appears to be a deletion of part of the main distal dorsal surface of the one opposite the anterior articular surface and just above the cuboid facet. Exami- nation of the calcaneum from the opposite foot in the same specimen, reveals an exact copy of the malformation indicating that the condition is genetic and not due to some previous injury. Hyaena hyaena—Striped Hyaena Specimens examined.—AMNH 54512; USNM 14403, 99626, 155455, 163111 (USNM 14403 illustrated, Fig. lb). Calcanea of adults of H. hyaena show a slight separation of the anterior and medial articular surfaces. H. hyaena calcanea are most easily distinguished from H. brunnea by the greater width of the greater tuberosity of H. hyaena when viewed from the dorsal aspect. The calcanea of H. hyaena are larger (52 mm. 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 Southern California Academy of Sciences. Los Angeles, Calif. : The Academy
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