Index. 



639 



WIL 



Williamson, Kev. L, and Wookey 



Hole, 474 



Winds of Lower Silurian epoch, 81 

 Witham, 517 

 Wood, Colonel, and Gower caves, 



470 

 Searles P., on boulder-clays, 



393 

 Woodhouse, Mr., on Leicestershire, 



Yorkshire, and other coal-fields, 



597 

 Woodward, geological ideas of, 



277 

 Woodward, H. B., on Bovey beds, 



259, 260 



- Chillesford Clay, 276 

 Wookey Hole, 474 

 Woolwich and Reading beds and 



fossils, 238, 242-244, 248, 312 

 Wren, Sir Christopher,and Portland 



stone, 611 

 Wright, Dr., on Avicula contorta 



zone, 158, 159 

 Cephalopoda bed, 174 



YOU 



Wye and Usk, 500 

 - Derbyshire, 517, 518 

 Wynn, Mrs., and Cefn Cave, 

 469 



T7ELLOW Sandstone, Carboni- 



1 ferous, 119 



Yellowstone lake, 438 



Y-Graig-ddrwg, view from, 321 



Yoredale rocks, 119 



and Millstone Grit, York- 

 shire, east slope of, 332-335 



York and Tees, plain of, and 

 alluvia, 334, 542 



Yorkshire, North Riding, Lias 

 and Oolites of, 193 



coast, denudation of, 487 



glacial deposits, 391 



Oolites and escarpment, 335 



rivers of, 519 



Youle Hind, Professor, on ice- 

 action, Labrador, 396, 397 

 Young, Professor, 281 



