Two sheets. Engraved. Scale: ca. 1:30 000 (bar). Cartographic Note: North at 102 degrees (magnetic north at 90 degrees). Variation shown 11 degrees 15' W. There is an error in the longitude figure in the first three states. Additional Places: Nova Scotia.
Plate same as 27B. Other features: Printed on Bates paper. Border yellow, coasts outlined in blue, red/brown dangerous coast, houses red. Longitude error corrected in manuscript (so should precede 27C in the sequence). Page number '23' handwritten overleaf.