238 



Mr. Williamson on the Distribution of 



Systematic List of Fossils noticed in Mr. Williamson's Memoir^ 



GENUS AND SPECIES. 



Thuytes expansus 



Cycadites tenuicaulis 



Zamia lanceolata 



Pterophyllum minus 



pectinoides .... 



. — comptum 



pecten 



Equisetum laterale 



Sphenopteris? hymenophylloides 



? longifolia 



. — . stipata 



Williamsonis .... 



Cyclopteris digitata 



■ Beanii 



Glossopteris Phillipsii 



Taeniopteris vittata 



major 



Pecopteris curtata 



acutifolia 



caespitosa 



— • dentata 



exilis 



insignis 



lobifolia 



obtusifolia 



— polypodioides .... 



propinqua 



■ undans 



— — — Wliitbiensis 



— Williamsonis .... 



Lycopodites falcatus 



— Williamsonis .... 



Neuropteris ligata 



arguta 



. recentior 



REFERENCE. 



fSternbergt, Phill. 10, fig. 11.+, "1 



\ Lind. and Hut. 167§ / 



Phill. PI. 7, fig. 19 



Lindley and Hutton, IQ^ 



Ad. Brongn.y.Lind, &Hut., 67, fig. 1 



Ad. Brongn 



Lindley and Hutton, G6 



Lindley and Hutton, 102 



Phill. 10, fig. 13 



Ad. Brongn 



Phill. 7, fig. 17 



Phill. 10, fig. 8 



Ad. Brongn., Lind. and Hut., 131 . . 

 Ad. Brongn., Lindley and Hutton, 64 



Lindley and Hutton, 44 



Ad. Brongn., Lindley and Hutton, 63 

 Ad. Brongn., Lind. and Hut.,62,1 76, B 



Lindley and Hutton, 92 



Phill. 8, fig. 12 



Murray, Lindley and Hutton, 157 . . 



Phill. 8, fig. 10 



Williamson, Lindley and Hutton, 169 



Phill. 8, fig. 16 



Lindley and Hutton, 106 



Lindley and Hutton, 179 



Murray, Lindley and Hutton, 158 . . 

 Ad. Brongn., Lindley and Hutton, 160 



Lindley and Hutton, 119 



Lindley and Hutton, 120 



Ad. Brongn., Lindley & Hutton, 134 

 Ad. Brongn., Lindley & Hutton, 126 

 Young and Bird^, Lind. and Hut., 61 

 Ad. Brongn., Lindley and Hutton, 93 



Lindley and Hutton, 69 



Lindley and Hutton, 105 



Lindley and Hutton, 68 



FORMATION. 



Low. sands, and coal. 



Great oolite. 

 Low. sands, and coal. 

 L.S.&C. Greatoohte. 

 Low. sands, and coal. 

 Great oolite. 



L. S. & C. Great oolite. 

 Low. sands, and coal. 



L. S. &; C. Great oolite. 

 Great oolite. 

 L. S. &C. Great oolite. 

 Great oolite. 



L. S. &C. Great oolite. 

 Great oolite. 

 Low. sands, and coal. 

 Great oohte. 



L. S. & C. Great oolite. 

 Great oolite. 

 L. S. & C. Great oolite. 

 Low. sands, and coal. 

 L.S.&C. Great oolite. 

 Low. sands, and coal. 

 L.S.&C. Great oolite. 



Great oolite. 



* Where more than one reference is given, the first applies to the author who named the fossil. 



t Flora der Vorwelt, 1820-1826. 



+ Geology of Yorkshire, Part L, 1829. § Fossil Flora of Great Britain, 1831-183 



II Prodrome d'une Hist, des Veget. Foss., 1828 ; and Hist, des Veget. Foss. 



% Geological Survey, Yorkshire Coast, 1828. 



