Treaties — Conclusion and operation of — Effect of municipal legislation — Conflict between state statute restricting inheritance rights of aliens through reciprocity artd other conditions and treaties between United States and country of aliens — Supremacy of federal Treaties — Treaty of 1881 between United States and Serbia — Interpretation of, as affecting inheritance rights of Yugoslav nationals — Most-favoured-nation clause — International Monetary Fund Agreement of 1945 — Consistency of Yugoslav exchange controls therewith — Relationship to Treaty of 1881 and effect upon inheritance rights of Yugoslav nationals — The law of the United States of America.

Treaties — Interpretation of — Interpretation in light of object and purpose — Treaty of 1881 between United States and Serbia — Mostfavoured — nation clause — Whether conferring inheritance rights upon Yugoslav nationals despite state statute restricting such rights — International Monetary Fund Agreement of 1945 — Consistency of Yugoslav exchange controls therewith — Relationship to Treaty of 1881 and effect upon inheritance rights of Yugoslav nationals — The law of the United States of America.

Aliens — Treatment of — Right of non-resident aliens to inherit property — Conditioned by state statute upon reciprocal right of inheritance of United States citizens in aliens' country and right to receive payments within United States from estates in such country — Conflict between statute and treaties between United States and country of aliens — Supremacy of federal treaties — Treaty of 1881 between United States and Serbia — Interpretation of, as affecting inheritance rights of Yugoslav nationals — Most-favoured-nation clause — International Monetary Fund Agreement of 1945 — Consistency of Yugoslav exchange controls therewith — Relationship of Treaty of 1881 and effect upon inheritance rights of Yugoslav nationals — The law of the United States of America.