Photograph of St. Peter and St. Catherine's Yellow-green Exceedingly thick 19 Spithead Green Exceedingly thick 19 Spithead Green Exceedingly thick 9 Fourteen miles Bright green Still thick, but less so from Cadiz 8 Cadiz Harbour Yellow-green Exceedingly thick 19 Spithead Green Exceedingly thick 19 Spithead Green Exceedingly thick 9 Fourteen miles Bright green Still thick, but less so 4.