. The anatomy of the frog. Frogs -- Anatomy; Amphibians -- Anatomy. 72 THK MUSCLES. rise fronj the posterior surface of the exoccipital as far as the middle line ; the muscles of the two sides run backwards^ diverging- each from the other, so as to form an angle, and are then attached on each side to the anterior superior angle of the suprascapula at its under surface and median border. Cuvier considers this muscle as the analogue of the ni. levator anguli scapulae. Dugès and Meckel consider it to be the anterior part of the m. ciicullaris, the former thinking the posterior part of the muscle
. The anatomy of the frog. Frogs -- Anatomy; Amphibians -- Anatomy. 72 THK MUSCLES. rise fronj the posterior surface of the exoccipital as far as the middle line ; the muscles of the two sides run backwards^ diverging- each from the other, so as to form an angle, and are then attached on each side to the anterior superior angle of the suprascapula at its under surface and median border. Cuvier considers this muscle as the analogue of the ni. levator anguli scapulae. Dugès and Meckel consider it to be the anterior part of the m. ciicullaris, the former thinking the posterior part of the muscle to be the m. rhomboideiis. I cannot agree with these opinions, and I regard the muscle as simply representing the m. cucidlaris of man (Eeker). 32. M. latissinms dorsi (Figs. ^6, 66 Id). Dugès, n. 66, lombo-hume'ral.—Zenker, depressor brachii. This thin, triangular muscle arises from the ventral surface of the fascia dorsal is, and is posteriorly covered in part by the anterior border of the m. ohliqmis abdominis externus. The muscle becomes narrower towards the sides, and passes into a flat tendon, which blends with that of the m. infrasjAnafns, and is attached to the Ficf. 66. outer surface of the crista deltoidea of the humerus by a triangular expansion. 33. M. retrahens scapu- lae (Ecker), (Fig. 66 r). Dugès, n. 59, lombo-adscapulaire. — Klein, m. rlioviboideus, I. c, ]>. 26. — Zenker, omoplaleus rectus'? p. 37, — , , 124, retrahens rhomboideus. This flat, oblong muscle arises from the transverse process of the fourth verte- bi'a, and is connected with tlie third tendinous inscrip- tion (counting' from before) of the 711. longiss. dorsi. Pos- teriorly its origin forms a convex border, whence it runs forwards and to the side ; it is inserted into the ventral surface of the supra- scapula, near its inner Muscles of the back and shoulder-blade. c M. cuciillaris. dm M. depressor maxillae arising from the fascia dor- salis, cut through and re
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