“12. Does a place called Gueder, or Port Hillsborough, exist? or is it the Wad Reguela of Arlett’s Chart?
“13. Does a town called Wad Nún exist? or is it the name of a river, or of the country?
“14. How far is the town of Nún from the mouth of the river Nún, or from Cape Nún? and is it situated on the river Nún?
“15. Has the river Nún any other name? either Akassa or Wad-el-aksa?
“16. Is the river Soleïman, or the river immediately to the southward of Cape Nún, of any extent, and where is its source? is any town situated on it?
“17. Is there any town between Istúkah and Nún? how far is Ufaran from Talent?
“18. Can you give a tolerable guess at the population of any of the towns mentioned? and especially of Mogadór, Santa Cruz, &c., and the number of Jews they contain?
“Any other geographical information, towards correcting our maps will be thankfully received. May I beg you to take as early an opportunity as you conveniently can to answer these questions, and with every apology for the trouble I am giving
“Believe me, my dear Sir, faithfully yours,
(Signed) “John Washington.”