APPENDIX. No. IV. 
cxxiii 
having been remarked on the coast of Guinea, and still less on that of Congo 
and Angola. Mr. Maxwell also states in a letter to Mr. Park, that he had 
made enquiries of a great number of negroes who had come down the Congo 
from great distances ; but that he could never hear of any Mahometan 
priests having visited the countries on the banks of that river. Supposing 
the Niger really to flow through the centre of Africa, and to discharge itself 
any where into the Atlantic, it is reasonable to believe that some of the 
Mahometan colonists must long since have established themselves on the 
banks of that river, and penetrated to the shores of the ocean. 
