FIG. 18.-Plasm hyphæ emerging from cells and expanding forthwith into plasm globules. Lower cell shows large number of minute plasm globules. Human carcinoma. Incubated forty-eight hours in horse-serum. Dried film. (Methylene blue x 1000.)

FIG. 19.-Yeast-like body in cancer nucleus. Fresh human carcinoma. Fixed formalin. Cut in paraffin. (Giemsa × 1000.)

FIG. 20.-Yeast-like body in cell. Nucleus to the left. Fresh human carcinoma. Fixed corrosive. Cut in paraffin. (Leishman x 1000.)

FIG. 21.-Plasm globule forming granules. Human carcinoma. Incubated for fortyeight hours. Dried film. (Leishman × 1000.)

FIG. 22.-Do. Human carcinoma. Incubated in moist atmosphere for forty-eight hours. Fixed corrosive. Cut in paraffin. (Leishman x 1000.)

FIG. 23.-Plasm organising through minute granule into coccus. Human carcinoma. Incubated forty-eight hours in moist atmosphere. Dried film. (Leishman X 1000.)

FIG. 24.-Plasm organising through minute granule into bacillus. Mouse carcinoma. Incubated four days in horse-serum. Fixed corrosive. Cut in paraffin. (Leishman x 1000.)

FIG. 25.-Cocci forming inside unstainable plasm rods, producing appearance of diphtheroid bacillus. Human carcinoma. Incubated forty-eight hours in horse-serum. Film fixed in corrosive. (Methylene blue x 1200.)

FIG. 26.-Plasm globules becoming sclerotia. This process is seen in plasm globules and masses of all sizes. Mouse carcinoma. Incubated four days in horseserum. (Dried film x ICOO.)

FIG. 27.-Unstainable plasm hypha becoming transformed into sclerotia. * Human carcinoma. Dried film. (Methylene blue x 1000.)

FIG. 28.-Section through a sclerotium of large size organising into branching hyphæ : yeasts also present. Dark masses are pigment. Human carcinoma. Incubated in moist atmosphere for three days. Fixed corrosive. Cut in paraffin. (Leishman x 800.)

FIG. 29.-Large darkly-staining plasm mass organising into yeasts. Mass of glistening plasm also seen. Old medium in which mouse carcinoma had been incubating. Dried film. (Leishman x 1000.)

FIG. 30. Fungus. Hyphæ forming unstainable plasm globules in which granules of organisation are forming. Mouse carcinoma. Fixed corrosive. Cut in paraffin. (Leishman x 1500.)

FIG. 31.-Fungus. Hyphæ forming cocci directly. Human carcinoma. Dried film. (Leishman x 1200.)

FIG. 32. Fungus. Hypha throwing off cocci-bacilli which form in pale spaces. Dried film. (Leishman x 1000.)

FIG. 33.-Fungus. Hyphæ passing into plasm and throwing off cocci. Dried film. (Leishman x 1000.)

FIG. 34.-Fungus. Do.

FIG. 35.-Fungus. Two large plasm globules from which pigmented capsules have separated (sclerotia). Lower one in focus showing all sizes of organised forms. Dried film. (Leishman × 1000.)

FIG. 36.-Fungus. Forms of greatly varying size which have escaped from plasm globule shown in Fig. 35.

FIG. 37.-Fungus. Sclerotium in plasm of which bacilli are forming. Dried film. (Leishman x 1000.)