42 



INDEX TO ROYAL AGRICULTURAL JOURNAL. 



GEOLOGY. 



other places, 2S ; the mica-slate, the 

 ■woods near Clovelly, 23 ; the chalk 

 of this district, 24 ; grass-lands and 

 orchards ou the lias, 25 ; the red sand- 

 stone area, 25 ; the red marls, ib. ; the 

 lands of Devon and Somerset on the 

 red sandstone, ih. ; the soil resting on 

 the beds of red sandstone and on the 

 rocks on which it resis, 25 ; the beds 

 of the carbonaceous series, 26 ; and 

 "where the trappean rocks are mingled 

 "with them, 26 ; the granwacke, ih. ; the 

 trappean rocks, how composed, 27 ; the 

 trap rocks of other parts of the world, 

 such as in Scotland and in Abyssinia, 

 27 ; limestone near Torbay, ib. ; the 

 range of the red and slaty beds of the 

 grauwacke, 28 ; the soils on the green- 

 stone rocks around Penzance, 29 ; the 

 soil ou the serpentine, around the 

 Lizard, 29 ; tenanted by a heath, the 

 Erica vagans, .30 ; quartz, the spar, and 

 whiteacre in Cornwall and Devon, 29 ; 

 the diallage rock, sienite, and the horn- 

 blende slate of the Lizard, 30 ; the 

 granitic soils, 31 ; their produce, 32 ; 

 peat on the granite soils, ib. ; the allu- 

 vial soils in other places, 33 ; the sea 

 and blown sand employed as manure, 

 34 ; the amount annually taken from 

 Padstow Harbour for this purpose, 35 ; 

 the quantity of sand annually employed 

 in Cornwall and Devon, 35 ; how chiefly 

 composed, ib. ; the farmers prefer the 

 sea-sand, 36. 

 Geology, on its application to agricul- 

 ture, by Sir J. V. B. Johnstone, i. 271. 

 , on the present (1848) state of agri- 

 culture in its relations to chemistry and 

 geology, by Professor J. W. F. John- 

 ston, ix. 200. 



of Lancashire (W. Garnett), x. 2, 



5, 7. 



. of South Wales (C. Read), x. 126. 



of Gloucestershire (J. Bravendar), 



xi. 119. 



of Lincolnshire (J. A. Clarke), xii. 



262-285. 

 , on the agricultural geology of Eng- 

 land and Wales, a prize report by J. 

 Trimmer, xii. 445 ; its objects, 447 ; the 

 varying forms of the ooliiic group, 451 ; 

 and of the chalk, ih. ; of Smith the 

 geologist, his labours, 451, 478 ; of the 

 sorts of the plastic clay, 454; the 

 aluminous soils, 455 ; the calcareous, i6.; 

 the siliceous (Mr. Morton's classitica- 

 tion), 456 ; the erratic tertiaries, 459 ; 

 their marine origin on submerged 

 lands, 460 ; erratics of the East of 

 England, 463 ; their general distribu- 



tion north of the Thames, 467 ; distri- 

 bution of soils as laid down by agricul- 

 tural writers, 477 ; the strong land dis- 

 trict of Suffolk, by A. Young, 478 ; ihe 

 W^olds of Yorkshire, by Legard, 479 : 

 the chalks of Norfolk, Cambridgeshire, 

 &c., 480 ; the soils of Essex, by A. 

 Young, 481 ; of Hertfordshire, by A. 

 Young, 481 ; of Berkshire, by Mavor, 

 482 ; of Wiltshire, by Davis, 483 ; of 

 Hampshire, by Vancouver, 484 ; of 

 Dorsetshire, by Stevenson, 486 ; of Sus- 

 sex, by A. Young, 487 ; of Kent, by 

 Boys, 487 ; of Surrey, by Stevenson, 



488 ; the soils of the whole chalk-range, 



489 ; of the greensand, 490 ; of the 

 oolites and the lias, 49 1 ; of the new red- 

 sandstone, 493 ; of the coal-measures, 

 494 ; of the old red-sandstone, 494. 



Geology, the relations of geology to agri- 

 culture in North-eastern America, by 

 J. F. W. Johnston, xiii. 1 ; the land from 

 the sea-shore of Virginia to the slopes 

 of the Alleghany mountains, ib. ; the 

 muddy fiats, 2 ; the alluvial dry rich 

 soils, ih. ; the prairies, 3 ; the older 

 rocky foi"mations, 4 ; the gromwell or 

 pigeon-weed, 19; its seeds purchased 

 by the seed-crushers, ih. ; American 

 oil-cakes, ib. 



of Ciunberland, described by W. 



Dickinson, xiii. 208. 



, relations of geology to agriculture 



in North-eastern America, by J. F. W. 

 Johnston, xiv.l ; the average production 

 of the crops of New Brunswick, 7 ; com- 

 pared with those of New York, Ohio, 

 and Canada West, 8 ; effect of burning 

 its foi-ests, 10 ; general results of ob- 

 servations with i-egard to the relations 

 of agriculture and geology, 13. 



of Derbyshire, by J. J. Rowley, xiv. 



18 ; magnesian limestone, 20 ; coal 

 series, 27 ; the millstone grit and shale 

 series, 39 ; the carboniferous limestone, 

 50 ; the clays and gravels of the new 

 marl and new red-sandstone, and the 

 alluvium of the Trent and Dove, 58. 



, on the geology of the Keythorpe 



estate, and its relations to the Key- 

 thorpe system of drainage, by J. Trim- 

 mer, xiv. 96. 



of Surrey, by H. Evershed, xiv. 396. 



of Herefordshire, by T. Rowland- 

 son, xiv. 433. 



of Oxfordshire (C Read), xv. 191. 



of Suifolk (Trimmer), xii. 478-481. 



. of Dorsetshire, by L. H. Ruegg,"xv. 



389 ; occasional difference of soils and 

 the rocks on which they rest, 397. 



, on the agricultural relations of the 



