The Roman Map of Britain Ptolemy's Geography

Geography
II 3.1
The northern coast, from the Mull of Galloway to Dunnet Head MAP

Description of the northern side, 

. .

above which lies the ocean called Duecaledonius,

. .

the peninsula of the Novantae and cape of the same name

21° 61°40'

Rerigonius gulf

20°30' 60°50'

Vindogara gulf

21°20' 60°30'

Clota estuary

22°15' 59°20'

Lemannonius gulf

24° 60°

Epidium promontory

23° 60°40'

Longus river-mouth

24°30' 60°40'

Eitis river-mouth

27° 60°40'

Volas gulf

29° 60°30'

Nabarus river-mouth

30° 60°30'

Tarvedum or Orcas promontory

31°20' 60°15'