Ind. Jour. Vety. Sci. & Anim. Husb. Vol. VI, Pt. I.                    PLATE III.

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FIG. 1

FIG. 1. Leghorn hen and a normal hen for comparison. Note the difference in the condition of
the legs in both.

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FIG. 2

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FIG. 3

FIG. 2. Skiagram revealing thickened condition of the bone in the hen.

FIG. 3. Longitudinal sections of the metatarsus of the two affected fowls ; a similar section of
the metatarsus of a normal fowl is included for comparison.

(a)  Cock—Note the uniform ingrowth of bony tissue into the medullary canal almost
completely effacing and occluding it.

(b)  Hen—This condition is partially seen in the hen.

(c)  Normal fowl—Section of medullary canal of a normal fowl. Note the uniform
depth of the canal.