(d) The brachial vein going to the arm, near which may often be seen the white brachial nerve. Endeavour to trace the point of origin of the brachial, muscular, and cutaneous veins (or the brachial and musculo-cutaneous veins in the Frog) as shown in the figures.
Fig. 3.—Muscular System and Vascular System (part) of Xenopus and Rana.
2. Make an incision in the body wall, slightly to the right side of the abdominal vein, which may now be seen clearly on the inner side of the body wall. Carefully detach this vein from the abdominal wall.
Second Day.
Skeletal System (Part).
1. Remove the pectoralis muscles covering the body between the arms to show the bones of the central part of the shoulder girdle and sternum, viz.:—
(a) The thick coracoids.