16
ANIMAL PHYSIOLOGY.
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Fig. 17.—Spore-bearing hyphæ of Mucor, growing from horse-dung.
Fig. 18.—The same, teased out with needles (A, 4).
Figs. 19, 20, 21.—Successive stages in the development of the sporangium.
Fig. 23.—Isolated spores of Mucor.
Fig. 23.—Germinating spores of the same mold.
Fig. 24.—Successive stages in the germination of a single spore.
Figs. 25, 26, 27.—Successive phases in the conjugative process of Mucor.
Fig. 28.—Successive stages observed during ten hours in the growth of a conidiophore of Penicillium in an object-glass culture (D, 4).
