International Law — Sources — Absence of Applicable Rules — Choice of Rules by the Permanent Court of International Justice.

League of Nations — Covenant of — Article 15, Paragraph 8 — Jurisdiction of the Council — Compared with Jurisdiction of International Tribunals.

Permanent Court of International Justice — Contentious Jurisdiction — Law Applicable — Absence of Applicable Rules.

Permanent Court of International Justice — Statute — Adherence to Procedure — Apparent Departure from Previous Decisions — Decision in the Matter of Jurisdiction in Judgment No. 2 Distinguished from Analogous Decision in Advisory Opinion No. 4.

Permanent Court of International Justice — Jurisdiction — Pleas to the Jurisdiction — Procedure — Distinction between (the Court's) Jurisdiction in regard to Limited Categories of Disputes and (the Council's) Jurisdiction under Paragraph 8 of Article 15 of the Covenant of the League of Nations.