K. The femoral vein.

L. The sartorius muscle.

M. Iliac part of the fascia lata joining Poupart’s ligament.

N. Pubic part of the fascia lata.

O. Saphena vein.

P P. Falciform margin of the saphenous opening.

Q. See Plate 38.

R. Sheath of the femoral vessels.

S. Anterior crural nerve.

T. The external ring.