4. As to the danger of an attack on Europeans. Mr. Colvin's remarks are, I believe, quite correct and it would be useless for me to add more than this, - that, seeking earnestly not to exaggerate the dangers of the position, I feel bound to warn Your Lordship that in my opinion the embarkation of European troops might provoke a most terrible catastrophe. Araby Bey has, I hear on good authority, declared that if this event occurs he will not be answerable for the safety of Foreigners; and he spoke of his being able to raise a force of 1,000,000 Moslems with the aid of the Bedouins, who had already promised their assistance to resist a foreign invasion like that of Tunis;