LINES OF EQUAL INCLINATION. (Approximate 1875.) 



Prxpa/rii at, (h^ Hydj-oqrapkic Oflicf, Adfuraliy, ^rthe use of the Arctic Expeduion. 1875, 

 uri/Ur thf Supei-i/ir^iuUjict of' Captain- Evans CM. FJtS Hydrograph^f . 



