INDEX. 591 
Page 
Vegetation, phenogamic, of the Dee^ Mr W. Macgillivray's 
remarks on, . . . ' . . 539 
Watt, Mark, Esq. observations on the habits and food of 
spiders, ...... 365 
Webs, Mr Watt's observations on the formation of spiders', ib. 
Wilson, James, Esq. on the origin of domestic poultry, . 402 
William, Esq. list of plants found on Snowdon, . 266 
Witham, Henry, Esq. notice regarding a vein of asphaltum, 
or slaggy mineral pitch, found imbedded in gneiss, in 
the hill of Castle Leod, near Dingwall, . .123 
Xiphias gladius, or Sword-fish, Dr Grant on the structure of 
the eye of, . . . . . .113 
Young, Rev. George, on the fossil remains of quadrupeds, &c. 
discovered in the cavern at Kirkdale, in Yorkshire, and 
in other cavities or seams in limestone rocks, . .171 
END OF VOL. VI. 
