. Hernia, strangulated and reducible. With cure by subcutaneous injections, together with sugcested [!] and improved methods for kelotomy. Also an appendix giving a short account of various new surgical instruments. striangle and passes through the external ring. Hesselbachs triangle is situated at the lower part of theabdominal wall on either side. Its boundaries are: Externally.—Epigastric artery. Internally.—Outer margin of rectus. Below.—Pouparts ligament. The following are the coverings of the two varieties ofinguinal Hernia, commencing at the surface: o Oblique. Direct. 1- Skin. 1. Skin.
. Hernia, strangulated and reducible. With cure by subcutaneous injections, together with sugcested [!] and improved methods for kelotomy. Also an appendix giving a short account of various new surgical instruments. striangle and passes through the external ring. Hesselbachs triangle is situated at the lower part of theabdominal wall on either side. Its boundaries are: Externally.—Epigastric artery. Internally.—Outer margin of rectus. Below.—Pouparts ligament. The following are the coverings of the two varieties ofinguinal Hernia, commencing at the surface: o Oblique. Direct. 1- Skin. 1. Skin. 2. Superficial fascia. 2. Superficial fascia. 3. Intercolumnarfascia. 3. Intercohmmar fascia. 4. Cremaster muscles. 4. Conjoined tendon of internal 5. Fascia transversalis. oblique and transversalis muscles. 6. Sub-serous cellular tissue. 5. Fascia trnnsvers llis. 7. Peritoneum. 6. Subserous cellular tissue. 7. Peritoneum. M 162 IlEliNiA. HERNIA. The crural or femoral canal is a funnel-shaped interval whichexists within the femoral sheath between its inner walls andthe femoral vein, and is the space into which the sac of femoralhernia is protruded. It is limited above by the crural or femoral. Fio. 35.—Femoral Hernia. ring and is lost below by the adhesion of the sheath to the coatsof the vessels. In the normal state, the canal is occupied byloose cellular tissue and numerous lymphatic vessels which per-forate the cribriform fascia covering the saphenous opening in the AUTHORS OPERATION BY INJECTION. 163 fascialata and the walls of the sheath to reach a lymphatic glandsituated at the crural ring. This gland is retained in its positionby a thin layer of sub-serous cellular tissue—seftuni crurale—which together with the peritoneum separates the canal from theabdominal cavity. The crural ring is the point where femoralHernia leaves the abdomen, and is the most frequent seat ofstrangulation. Its boundaries are :— In front—Pouparts ligament. Behind.—Ileo-
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