[COMMENTARY ON PLATE 27]

THE SURGICAL DISSECTION OF THE SUPERFICIAL PARTS AND BLOODVESSELS OF THE INGUINO-FEMORAL REGION.

Physical causes of the greater frequency of inguinal and femoral herniae. The surface considered in reference to the subjacent parts.

[COMMENTARY ON PLATES 28 & 29]

THE SURGICAL DISSECTION OF THE FIRST, SECOND, THIRD, AND FOURTH LAYERS OF THE INGUINAL REGION, IN CONNEXION WITH THOSE OF THE THIGH.

The external abdominal ring and spermatic cord. Cremaster muscle—how formed. The parts considered in reference to inguinal hernia. The saphenous opening, spermatic cord, and femoral vessels in relation to femoral hernia.

[COMMENTARY ON PLATES 30 & 31]

THE SURGICAL DISSECTION OF THE FIFTH, SIXTH, SEVENTH, AND EIGHTH LAYERS OF THE INGUINAL REGION, AND THEIR CONNEXION WITH THOSE OF THE THIGH.

The conjoined tendon, internal inguinal ring, and cremaster muscle, considered in reference to the descent of the testicle and of the hernia. The structure and direction of the inguinal canal.

[COMMENTARY ON PLATES 32, 33, & 34]