Index. 



301 



Turdus Naumanni, 148. 

 Turrilepas Scotica, 166. 

 Turtle-dove, 149. 

 Turtur rupicola, 149. 



Unst, on the geology of the island of, 274. 

 Upupa epops, 115. 



Uranium, notes on a new compound 

 of, 292. 



Vesuvius, great eruption of, 36. 

 Vitrified forts, prismatic structure of, 

 258. 



Wall papers, arsenic in, 100. 

 Walley, Principal, 25, 28. 

 Water, analysis of, various methods, 

 179. 

 „ estimation of colour in, 26. 

 „ recent experiments in analysis 

 of, 157. 



Water, recent modes of analysis, 29. 



,, suspension of clay in, 46. 

 Water-rail, 151, 207. 

 Waxwing, 89. 

 Weevils, plaster casts destroyed by, 



89. 

 AVhimbrel, 178. 

 Wigeon, American, 153. 



,, common, 153. 

 Williams, Principal, 230. 

 Woodcock, 151. 



Woodpecker, great spotted, 148. 

 Wright, Dr Strethill (the late), 102. 



,, ,, list of works of, 



103. 



Yedo, ornithology of, 144. 



Zoological notes, 188. 



Zoology, the rise and progress of, 9. 



VOL. IV. 



2 K 



