PLATE XXIX. 
(‘The cost of this plate has been defrayed by the Carnegie ‘Trust for the Universities 
Fic. 
9 
we 
of Scotland.) 
Rhadinichthys carinatus, Agassiz; natural size. From the Pumpherston Oil Shale 
(Calciferous Sandstone Series), Broxburn, West Lothian. In the Royal Scottish 
Museum, Edinburgh. 
Another specimen from the same horizon and locality ; natural size. In the Royal 
Scottish Museum, Edinburgh. 
Anterior part of another specimen, to show the pectoral fin; natural size. From 
the same horizon at Pumpherston. In the Collection of the Author. 
Scale from the nape of the neck; magnified four diameters. 
Flank-scale ; magnified six diameters. 
Another flank-scale ; magnified six diameters. 
Rhadinichthys Macconochii, Vraquair ; natural size, From the Lower Carboniferous 
(Calciferous Sandstone Series), Glencartholm, Eskdale, Dumfriesshire. In the 
Royal Scottish Museum, Edimburgh. 
Scales from the nape of the neck of the same species ; magnified six diameters. 
Flank-scales ; magnified six diameters. 
Scales further back ; magnified six diameters. 
One of the narrow ventral scales ; magnified six diaweters. 
