All the preparations from the testicle were hardened in Fleming’s or Müller’s solutions, and the drawings made with a Seibert homog. immersion lens 1/16. [Plate IX], Fig. 5 with Seibert 1/8.

Plate X.

PLATE XI.

PLATE XI.

Fig. 1.—Bundle of nerve fibres from a ciliary nerve, the cells of Schwann’s sheath filled with brown granules.

Fig. 2.—The myelin sheath pressed in by a cell filled with granules.

Fig. 3.—Section from an old leprous macule.

Fig. 4.—Section from a recent leprous macule.

Both sections stained with Fuchsin and Methyl-green. Seibert homogen. immersion 1/16.