EXPLANATION OF FIGURE III. 



MUSCULAR STRUCTURE. 



a". Trapezius. 



6. Rhomboideus longus. 



c". Scalenus; and tT. Splenius. 



e". Pectoralis parvus. 



f". Antea spinatus. 



g". Postea spinatus. 



a and D. Serratus magnus. 



6'. Intercostales. 



c'. Obliquus extern us abdominis. 



d\ Obliquus internus abdominis. 



e\ Erector coccygis. 



f\ Depressor coccygis. 



<7'; Compressor coccygis. 



7j'. i\ Gluteii muscles. Jk Triceps abductors. 



K. Biceps abductor femoris. 



m'. Tensor vaginae. 



n\ Rectus. 



o'. Vastus externus. 



r'. s'. Gastrocnemius externus, and plantaris. 



«'. Flexor pedis accessorius ; its fleshy belly. 



y\ Peroneus. 



x\ Extensor pedis. 



Zt". Teres major. 



i". Latissimus dorsi. 



J. Pectoralis magnus. 



K. Humero cubital. (Pectoral region.) 



Z". Scapido-ulnaris. 



m". n". Triceps extensor brachii. 



o". Pectoralis transversalis. 



p". Flexor metacariDi, externus. 



u. V. Levator humeri, and Sterno masillaris. 



s". Extensor metacarpi magnus. 



x". Extensor pedis. 



At the inferior part of the abdomen the letter Ti. occurs; it should be 4. 4 



The subcutaneous thoracic vein Ti.y however, serves to indicate the region of 



the rectus abdominalis. 



7. The sheath. 



*. Ligamentum colli. 



