. Bulletin. Science; Natural history; Natural history. 92 SOUTHERN CALIFORNIA ACADEMY OF SCIENCES superspinous and infraspinous fossae (Fig. 6) and are commonly pedunculated. Fractures are limited to the blade of the scapula and frequently involve the spinous process. The fractures range in severity from minimal damage to the blade to considerable distortion of this structure. All fractures can be recognized by healing callus tissue in the vicinity of the original site of fracture which may extend well beyond it (Fig. 7). Puncture wounds of the blade may be either single or multiple, with sing
. Bulletin. Science; Natural history; Natural history. 92 SOUTHERN CALIFORNIA ACADEMY OF SCIENCES superspinous and infraspinous fossae (Fig. 6) and are commonly pedunculated. Fractures are limited to the blade of the scapula and frequently involve the spinous process. The fractures range in severity from minimal damage to the blade to considerable distortion of this structure. All fractures can be recognized by healing callus tissue in the vicinity of the original site of fracture which may extend well beyond it (Fig. 7). Puncture wounds of the blade may be either single or multiple, with single perforations predominating. The margins of the puncture wounds are generally symmetrical and gently rounded, (Figs. 7 and 8). These three types of traumas are distributed as follows: TYPE Myositis ossificans Traumatic fractures Puncture wounds JMBER PERCENT 41 17 16 74 Given the trauma to the scapulae, it is logical that the ribs would show similar evidence of injury. The pathology collection contains 112 ribs either nonspecif- ically traumatized or traumatically fractured. Twelve of the fractures represent non-union healing or pseudoarthroses. The distribution is as follows:. 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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