| OCR Text |
Show 157 with a flattened preaxial border. knob-like caudoventral protuberance. the radius is small and not surface of the The styloid process is styloid The articulating tubercle easily distinguished from the articulating differs from that of skunks in that The coronoid process is not curvature. mediad of the medial ridge groove exists concave third of the ulna. Viewed triangular, as and thicker ridge is present one in the three genera prominent. laterally posteriorly distad to the olecranon process, and does not extend the medial border of the distal the ulna of dorsally, proximad on large of the crest of the olecranon process. A similar of skunks but is not directed Viowed the medial and lateral borders do not exhibit noticeable dorsally, frenata is S-shapedj medially directed distad. The ulna is than The median is anteriorly. concave as in skunks. border, The ulna erminea is smaller but similar to that in Mustela frenata. The ulna of section and bowed shaft, of Mustelids the median border distad of the olecranon is not concave. of small process. The ulna of Mustela A a americana is long, laterally. slender, oval in Proportionate to the length cross of the the olecranon is shorter than in members of the subfamily Mephitinae. The preaxial border is S-shaped proximally than so that distally. border is straight and anterioposteriorly A the postaxial the ulna is thicker prominent longitudinal concavity is |
