584 Proceedings of the Royal Physical Soctety. 
the conclusion that they represent a distinct species, from 
the considerably greater coarseness, in proportion, of the 
basal folding of the dentine. 
Amended List of the Fossil Fishes of the Upper Old Red 
Sandstone of the Moray Firth area :— 
FISHES OF THE NAIRN SANDSTONE. 
Psanvmosteus tesselatus, Traq. 
Asterolepis maxima (Ag.). 
Holoptychius decoratus (Kichw.). 
Polyplocodus leptognathus, Traq. 
Coccosteus magnus, Traq. 
FISHES FROM THE ALVES AND ELGIN Beps. 
Psammosteus Taylori, Traq., 
Psammesteus pustulatus, Traq., . 
Cosmacanthus Maleolmsoni, Ag.,. 
Bothriolepis major (Ag.), 
Phyllolepis concentrica, Ag., 
Conchodus ostreiformis, M‘Coy, . 
Holoptychius nobilissimus, Ag., . 
Holoptychius giganteus, Ag., 
Holoptychius decoratus (Kichw.), 
Polyplocodus sp., 
Glyptopomus minor, Ag., 
Newton, Millstone Quarry, 
Sweet Hillock. 
Scaat Craig. 
Scaat Craig. 
Whitemire, Ernside, 
Newton, Sweet Hillock, 
Millstone Quarry, 
Carden Hill, Burgie, 
Rosebrae, Oakbrae, 
Laverockloch. 
Hospital Quarry, Laverock- 
loch, Rosebrae. 
Scaat Craig. 
Newton, Pluscarden, Leg- 
gat, Scaat Craig, Bishop- 
mill, Rosebrae, Burgie. 
Whitemire, Newton, Sweet 
Hillock, Carden Hill, 
Millstone Quarry, Scaat 
Craig. 
Scaat Craig. 
Scaat Craig. 
Rosebrae, Laverockloch. 
