[142] For further details on the operations described above, reference may be made to Sir Spencer Wells's work on ovarian disease, and to the very valuable papers contributed by Dr. Thomas Keith to the Edinburgh Medical Journal. To the latter especially the author is indebted for much oral instruction, and for the opportunity of seeing his careful and dexterous mode of operating.
[143] Lect. on Surgery, 3d ed., vol. ii. p. 998.
[144] Operative Surgery, p. 462.
[145] Rough diagram of abnormal course of obturator and its relation to the neck of a hernia. Parts seen from the inside: h, femoral hernia; a, femoral artery; v, femoral vein; e, epigastric artery; o, obturator from epigastric (dangerous); s o, obturator from epigastric (safe); n o, normal course of obturator; i r, internal inguinal ring; Sp c, spermatic chord and its vessels; g, Gimbernat's ligament; +, in triangle of Hesselbach.
[146] Holmes's Surgery, 3d ed., 1883, vol. ii. p. 837.
[147] Clinical and Pathological Observations in India, pp. 44, 325.
[148] Wood On Rupture, 1863.
[149] Diagram of an artificial anus, showing small sutures which unite the edges of the gut and the skin, and the large ones stitching up the wound beyond.
[150] Diagram of section of prostate seen from the inside:—pf, pelvic fascia or prostatic sheath; rr, ring which must be cut; l, position of incision in the lateral operation; dd, position of incisions in the bilateral operation.
[151] Diagram of muscles of membranous portion of urethra seen from the inside:—ss, section of os pubis; u, urethra; g, Guthrie's muscle, compressor urethræ; w, Wilson's muscle, levator urethræ.