1888

Nouvelle carte de Mars, par Proctor en 1888.
Stereographic Projection
RA Proctor: Old and new astronomy. London-New York, 1888
With the nomenclature of 1869

1892

Proctor, R.A. 1892; Old and new astronomy; London
Image courtesy Ton Lindemann

1892

Proctor, R.A. 1892; Old and new astronomy; London
Image courtesy Ton Lindemann

"Clarified" new map suggest that seas are connected to equatorial rivers. Instead of straight canals, meandering rivers are shown. (Interestingly enough, at the locations where real channels occur)