DISSECTION OF THE DOG 



17 



Fig. 4. — To show the extent of the fleshy part of the abdominal muscles, p.x., xiphoid process of sternum ; 

 a.c, costal arch; m.r.a., straight muscle of abdomen; m.t.a., transverse muscle; m.o.e.a., external oblique 

 muscle; u., umbilicus ; m.o.i.a., internal oblique muscle ; o.p., pubic bones. 



(This figure is reproduced by permission of Messrs, Bailliere, Tindall & Cox.) 



C 



