Request of Ibn Sa'ud for an expert Indian doctor for employment at Riyadh; report from Military Administrator, Kamaran, that Ibn Sa'ud has advanced on Hijaz; attack by Ikhwan on Yemeni pilgrims; letters from Ibn Sa'ud; reported intention of the Sultan of Najd to take offensive action against King Husain; alleged conclusion of pact between Ibn Sa'ud and the Imam of Sana to divide Idrisi territory between them