Vol. XXVII. 



IQIO 



] Armitage, Plant Remains in Olivine-Basalt. 29 



Explanation of Plates. 



Plate III. — General view of the quarry, looking west. The plant remains 

 were found in the base of the basalt wall to the right of the picture. 



Plate IV. — Fig. I. Portion of the fossil wood. The white and grey streaks 

 and lines show the miniature dykes and sills of basalt in the wood. x j^. 



Fig. 2. Portion of the plant remains which are seen adhering closely to the 

 basalt. The grey and white marks show where the basalt has invaded the 

 shrinkage cracks of the wood, x %. 



Literature. 



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9. Cadell, H. M. — The Occurrence of Plant Remains in 



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 pi. xiii. 



11. Miller, Hugh — Cruise of the Betsy (1858), pp. 35 and 37. 



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