LIST OF PLATES. 



PLATE I., FIG. 1. Lherzolite, Vicdessos. 



2. Serpentine, Lizard. 



II., 1. Coverack. 



2. Picrite (Palseopicrite), Menheniot. 



III., 1. Augite-picrite, Shiant Isles. 



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* 



IV., 1. Hornblende-picrite, Pen-y-cnwc. 



2. Augite-picrite, Inchcolm. 



V., 1. Picrite, Halival. 



2. Sceyelite, Caithness. 



VI., 1. Hornblende-picrite, Ty Croes. 



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u * 



VII., 1, 2, 3 & 4. Augite-picrite, Inchcolm. 



5. Hornblende-picrite, Penarfynydd. 



VIII., 1. Hornblende-diabase, Careg-llefain. 



2. Troctolite and serpentine, Coverack. 



IX., 1. Olivine-dolerite, Tideswell Dale. 



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j> j> * 



X., 1. Tobermory. 



2. Portree. 



XL, 1. Diabase, Blaenydre. 



2. Olivine-dolerite, Rowley. 



XII., 1. Dolerite (Tholeite, ROSENBUSCH), Tynemouth. 



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j * 



XIII., 1. Hornblende-dolerite, Deniston Hill. 



2. Enstatite-dolerite, Middleton. 



XI V T ., 1. Dolerite (Tholeite, ROSENBUSCH), Shankhouse Pit. 



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