James St. John:
Old Red Sandstone (Devonian; Black Isle, Scotland) 1
James St. John:
Old Red Sandstone (Devonian; Black Isle, Scotland) 2
James St. John:
Old Red Sandstone (Devonian; Black Isle, Scotland) 3
James St. John:
Old Red Sandstone (Devonian; Black Isle, Scotland) 4
James St. John:
Old Red Sandstone (Devonian; Connor Pass, Ireland) 1
James St. John:
Old Red Sandstone (Devonian; Connor Pass, Ireland) 2
James St. John:
Old Red Sandstone (Devonian; Connor Pass, Ireland) 3