. The comparative anatomy of the domesticated animals. Veterinary anatomy. MUSCLES OF THE TRUNK. 245 mastoido-humeralis is removed, leaving only the cervical insertions of the latter muscle; then the limb is removed by sawing through the scapula beneath the insertions of the angularis and serratus magnus, as in Fig. 162. But as neitlier the cervical or dorsal insertions of the splenius are exposed, it is necessary to proceed to the second part of the operation by removing the rhomboideus, angularis, and the superior extremity of the shoulder. To prepare the third layer, which comprises the gre
. The comparative anatomy of the domesticated animals. Veterinary anatomy. MUSCLES OF THE TRUNK. 245 mastoido-humeralis is removed, leaving only the cervical insertions of the latter muscle; then the limb is removed by sawing through the scapula beneath the insertions of the angularis and serratus magnus, as in Fig. 162. But as neitlier the cervical or dorsal insertions of the splenius are exposed, it is necessary to proceed to the second part of the operation by removing the rhomboideus, angularis, and the superior extremity of the shoulder. To prepare the third layer, which comprises the great and small complexus, it is sufficient to excise the splenius, in following the direction of the neck, and to turn upwards and downwards the two portions of the muscle (see Fig. 162). Lastly, the deep layer—the semispinalis and iutertrans- versalis, oblique, and posterior straight muscles, as well as the cervical ligament—is by removing the complexus and longissimus dursi muscles (see Fig. 162). First Layer. Cervical Portion of the Trapezius. for description of this muscle, see Region of the Back and Loins. Second Layer. Rhomboideus (Figs. 158, 6 162, 1, 2.) Synonyms.—Described by Bourgelat as two muscles, the "proper elevator of the shoulder and the rhomboideus, these were termed by Girard the cervico-subscapularis and dorso-subscapularis. (This is the rhomboideus longus and brevis of Percivall, and the dor so-scapular is and cervico- euhscapularis of Leyh.) Form—Situation—Direction.—This muscle has the form of a very elongated triangle, and is situated at the inner aspect of the cervical trapezius and the Fig. LATERAL VIEW OF THE NECK; SUPERFICIAL MUSCLES. 1, 1, Parotid gland ; 2, sterno-maxillaris, and, 14, its junction with its fellow of the opposite side, 3, 4, mastoido-humeralis, or levator humeri; 5. splenius; 6, rhomboideus; 7, funicular portion of the cervical ligament, or ligamentum colli; 8, angularis of the scapula; 9, supra- or antea- spmat
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