No. 13—Tho lit ile founch near the elbow well shows the smali mnoclea whic|i turn tho palm towar*! the thouldcr. It ulr*o shows iii CMillent form the construction of the biceps in the forward part uf the arm anij. of the trłceps on the l>ack of the arm pul ling agruinst the biceps.