H.—34.

PLATE 2.—XANTHIN CALCULUS FORMATION IN SHEEP'S KIDNEYS (Page 29). The result of pasturing on mineral-deficient areas, Nelson Province.

Fig. 1. —Enlarged Kidney of Sheep. The calculi weighed 41 grammes.

Fig. 2. —Small Kidney, the Companion of that shown opposite. Note early stage in calculi-formation.

PLATE 3.—PHORMIUM BREEDING AND SELECTION (Page 32).

Fig. 1. —Yearling Plants of Variety 13k.

Ftf. 2. —Yearling Plants of Cross SS X 13k. Note the great stooling.