Letter from William Fox, Principal Agent N.Z. Co. to the Honble, the Colonial Secretary, dated 24th. June 1850. relative to the employment of Mr. McLean. New Zealand Company's Office Wellington 24th. June 1850. Sir, Referring to your letter of the 22nd. inst., relative to the employment of Mr. McLean on certain negotiations for the purchase of Waste Lands; to the financial portion of which I have already replied, I have now the honor to request your attention to the following observations, - The requisition from myself, on which Mr. Mc Lean was employed, is contained in a correspondence with yourself, which commenced on