730 



GENERAL INDEX. 



the cliffs between, and Weston chine, 

 96. 



Wigton, section from Solway Moss to 

 the fault south of, 296. 



Willett, E. W., Esq., on a mammalian 

 jaw from the Purbeck beds at 

 Swanage ; with a note by H. Wil- 

 lett, Esq., 376. 



Wollaston Donation Fund, award of 

 the, to Dr. R. H. Traquair, Proc. 33. 



Wollaston Medal, presentation of, to 

 Prof. P. Martin Duncan, Proc. 28. 



Wvke quarry, vertical section of In- 

 ferior Oolite at, 589. 



Yate rock, 78. 



Yeathouse, sandstone from, 12. 

 Yellowstone canon, quartz rhyolite 



from, 395. 

 — ■ — district, vitreous tuff from the 



Lower Geyser basin, 396 ; spheru- 



litic rock from, 394 ; obsidian from, 



391-394. 



park, map of part of, 400. 



Y Foel, section through, 159. 

 Ynyslas. 42. 



Yonne, Upper Jurassic rocks of the, 

 530. 



valley, map of the, south of 



Auxerre, 534. 



Yoredale grit, from Shalk Beck, con- 

 stitution of 11 ; analysis of, 21. 



END OE VOL. XXXVII. 



Printed by Taylor and FRANCIS, Eed Lion Court, Fleet Street. 



