MOVEMENTS AND INNER VATION OF THE INTESTINES 1317 



descent of the hernia at any moment. As a matter of fact, congenital hernise frequently do not 

 appear until adult life. 



Where the processus vaginalis is occluded at the internal ring only and remains patent through- 

 out the rest of its extent, two varieties of oblique inguinal hernia may be produced viz., infantile 



FIG. 1058. Common scrotal herni 



FIG. 1059. Congenital hernia. 



FIG. 1060. Infantile hernia. 



FIG. 1061. Encysted hernia. 



FIG. 1062. Hernia into the funicular process. 

 FIGS. 1058 to 1062. Varieties of oblique inguinal hernia. 



and encysted hernise. In the infantile form (Fig. 1060) the bowel pressing upon the septum and 

 the peritoneum in its immediate neighborhood causes it to yield and form a sac which descends 

 behind the tunica vaginalis; so that in front of the bowel there are three layers of peritoneum, 



