The Roman Map of Britain Ptolemy's Geography
Geography II 3.3 The southern coast, from the Lizard peninsula to the South Foreland MAP
| Next a description of the southern side, | . | . |
| below which lies the Prettanicus Ocean. | . | . |
| After Ocrinum promontory, | . | . |
|
Cenio river-mouth |
14° | 51°45' |
|
Tamarus river-mouth |
15°40' | 52°10' |
|
Isca river-mouth |
17°40' | 52°20' |
|
Alaunus river-mouth |
17°40' | 52°40' |
|
the Great Harbor |
19° | 53° |
|
Trisanto river-mouth |
20°20' | 53° |
|
the New Harbor |
21° | 53°30' |
|
Cantium promontory |
22° | 54° |