VOLUMES ONE TO TWENTY-FIVE, 



37 



of insensible vapour in the air, 629 ; 

 monthly dew-points, 632 ; fogs and 

 mists, ib. ; cloudiness, 635 ; ett'ect of, 

 637; evaporation, 635; rain, 639-646; 

 depths whicli fell between 1829 and 

 1847, 660 ; prognostications of the 

 weather, 612; grass, efteet of climate 

 on the growth of, 649 ; on the growth 

 of grain, 650 ; of wheat, ib. ; of barley, 

 652 ; of oats, 653 ; of legumes, 654 ; 

 of potatoes, ib. ; of turnips, 655 ; of 

 rape, 657. 



Climate, on drainage under certain condi- 

 tions of soil and climate, by Lord 

 Wharncliffe, xii. 41. 



of Cumberland, by W. Dickinson, 



xiii. 210 ; rainfalls, 212 ; temperature, 

 213-14; winds, 214; "the helm wind," 

 215 ; eflect of elevation on its farming, 

 215. 



of Iquique in Peru (P. Pusey), xiii. 



351. 



, on the difficulty of changing the 



latitude of sheep (M. Nouel), xiv. 214. 



of East Lothian (C. Stevenson), xiv. 



278. 



of Oxfordshire (C. Eead\ xv. 190 ; 



rainfall, 191 ; temjieratm-c, ib. 



of Dorsetshire (L. Ruegg), xv. 434. 



, intluence of, upon the growth of 



wool (J. Wilson), xvi. 240. 



of Buckinghamshu-e (C. Eead\ xvi. 



270. 



of Durham (Dr. Bell), xvii. 87. 



, on, as causing variations in the 



barley crop (Lawes and Gilbert), xviii. 

 477. 



of Shropshire (H. Tanner), xix. 3. 



, effects of altitude in diminishing 



tlie permanence of effects of manmes 

 (Dixon), xix. 218. 



, its influence on cultivation (R. 



Russell), XX. 158 ; cropping guided by 

 climate, -ib. ; turnips an apparent ex- 

 ception, ib. ; influence fif warmth, 159 ; 

 meclianical and chemical properties of 

 soils, 160 ; lye-grass a test of climate, 

 161 ; two years' layer gives a cheaper 

 rotation, ib. ; disadvantages of the 

 north and west as compared with the 

 south-east in farming, 1G2 ; the crop 

 preceding wheat regulated by climate, 

 163 ; vegetable matter required in soil 

 to feed wheat on light dry lands, 164 ; 

 American summers, hot and moist, 

 their effect on the wheat crop, 165; 

 sandy soils under such conditions natu- 

 ral for wheat, and vegetable matter 

 injurious, ib. ; need of mannre vaiies 

 inversely as heat, ib. ; flowering process 

 delayed by warmth or excess of am- 



monia, 166 ; turnips sown in March 

 run to seed, //;. ; see " Climate, its 

 influence on Wheat," on " Barley," 

 on "Rye," on "Flax," on " Mangold- 

 wurzel," on " Tui-nips," on "Potatoes," 

 on " Leguminous Crops ; " conclusions, 

 497. 



Climate, its influence on Wheat { R. Rus- 

 sell), xx. 166; plants of prolonged growth 

 yield well, 167; spring wheats do not 

 flower in hot climates, ib. ; their success 

 in Wales and Scotland, but not in 

 Lincolnshire fens, 168; lake filtering 

 promotes luxuriance and leads to 

 blight, ib. ; comparative value of wheat, 

 barley, and oat crops in Scotlaud, from 

 1781 to 179.5, 169. 



, its influence on Barley (R. Russell), 



XX. 170; liability of the crop to lodge 

 in moist climates, ib. ; sown late, it 

 wants less manm-e, sown early, it has 

 stouter straw and seeds better, 171 ; 

 fine barley grown on clay soils pul- 

 verised by frost, 172. 



, its influence on Oats (R. Russell), 



XX. 173 ; they require a moist climate, 

 174 ; the latest varieties preferred, ib. 



, its influence on Rye (R. Russell), 



XX. 481 ; rye adajjted to sandy soils, 

 because it evaporates less water than 

 wheat, 482 ; marl has a special value 

 in diy climates, ib. ; is the food of plants 

 dissolved ? ib. ; the evaporation from 

 leaves, 483; effects of the dry air of 

 Teneriffe, ib. 



, its influence on Flax (Russell), xx. 



484 ; the chemical analysis of flax does 

 not account for its repute as an ex- 

 hausting crop, ib. ; found by Arthur 

 Young in Ireland on exhausted land, 

 but sown late, 485 ; in Belgium it is 

 manured with rape-cake, the earlier 

 sown the more largely, 486 ; in Lincoln- 

 shire the best is sown early and ma- 

 tured highly, ib. ; in Scotland later 

 sowing is best, ib. ; crops that require 

 very iiiuch nitrogen in the soil leave 

 a good deal behiud, 487; exhaustion 

 spoken of ambiguously, 488 ; the poor 

 farmer's resource is late sowing, ib. ; 

 Messrs. Lawes and Gilberfs experi- 

 ments, phosphates serviceable for late 

 sown barleys, 489 ; its use for Chinese 

 BUgar-cane, ib. 



, its influence on Man"gold-a\t:ezel 



(Russell), XX. 490 ; with a high tempe- 

 rature and a rich soil, IM. is a true 

 biennial, ib. 



, its influence on Turnips (Russell), 



XX. 491 ; swedes less adapted than 

 mangold to a dry forcing climate, «6.; 



