VOLUMES ONE TO TWENTY-FIVE. 



77 



lb. ; the siliceous (Mr. Morton's classi- 

 fication), 456; the erratic tertiaries, 

 459 ; their marine origin on submerged 

 lands, 460 ; erratics of the East of Eng- 

 land, 468 ; their general distribution 

 north of the Tliames, 467; distribu- 

 tion of soils as laid down by agricultmul 

 writers, 477 ; the strong land district 

 of Suffolk, by A. Young, 478; the 

 Wolds of Yorkshire, by Lcgard, 479 ; 

 the chalks of Norfolk, Cauiljridgeshire, 

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

 Young, 481 ; of Hertfordshire, by A. 

 Young, ib. ; of Berkshire, by Mavor, 

 482; of Wiltshire, by Davis, 483; of 

 Hampshhe, by Vancouver, 484 ; of Dor- 

 setshire, by Stevenson, 486 ; of Sussex, 

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

 ib. ; of Surrey, by Stevenson, 488 ; the 

 soils of the whole chalk-range, 489 ; of 

 the greensand, 490 ; of the oolites and 

 the lias, 491 ; of the new red sandstone, 

 493 ; of the coal-measures, 494 ; of the 

 old red sandstone, ib. 



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 flats, 2 ; the alluvial diy rich 

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

 rocky formations, 4 ; the gromwell or 

 pigeon-weed, 19 ; its seeds purchased 

 by the seed-crushers, ib. ; American 

 oil-cakes, ib. 



—- — of Cumberland, described by W. 

 Dickinson, xiii. 208. 



, relations of geology to agricultiire 



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

 Johnston, xiv. 1 ; the average produc- 

 tion of the crops of New Brunswick, 

 7 ; compared with those of New York, 

 Ohio, and Canada West, 8 ; effect of 

 burning its forests, 10 ; general re- 

 srdts of observations with regard to 

 the relations of agriculture and geo- 

 logy, 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 Keythorije 

 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. 



Geology of Oxfordshire (C. Read), xv. 

 191. 



of Suffolk (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 



western portion of the Hampshire ter- 

 tiary district, and on the agricultural 

 imi^ortauce of tlie marls of the New 

 Forest, by J. Trimmei-, xvi. 125. 



of Buckinghamshire (C. Read), xvi. 



271 ; the plastic clay, 272 ; sands and 

 gravels, 273 ; upper chalk, ib. ; lower 

 chalk, 275 ; the greensand and the 

 gault, ib. ; the lower greensand, ib. ; 

 the oolite, 278-288 ; the Kimmeridge 

 clay, 280 ; the Oxford clay, 280-282. 



of Shropshire (H. Tanner), xix. 1 ; 



lowei- Silurian strata, Llandeilo flags 

 (calcareous and sand) ; Caradoc sand- 

 stone (grit and limestone), Caradoc 

 flags (shelly-limestone), ib. ; upper Si- 

 lurian, Weiilock shale and limestone, 

 ib. ; Lower Ludlow shales and " mud- 

 stones," 2 ; Aymestry limestone. Up- 

 per Ludlow sandstone, chiefly, ib. ; 

 Devonian strata, ih. ; coal-measures, 

 round Coalbrook-dale, near Shrews- 

 bury, and in the S.E., ib. 



of Berkshire (Spearing), xxi. 7. 



Geological maps of North Wales (Row- 

 laudsou), vii. 588 ; of the fens (Clarke), 

 viii. 132 ; of Suffolk (Raynbird), 262 ; 

 of Northumberland (Colbeck), 436 ; of 

 the East Riding of Yorkshire (Legard), 

 ix. 85 ; of the West Riding of York- 

 shire (Charnock), 284; of the North 

 Riding of Yorkshire (Milburn), 2, 496 ; 

 of Lancashh-e (Garnett) , x. 2 ; of South 

 Wales (Read), 122; of Somersetsliire 

 (Acland), xi. 666 ; of Lincolnshire 

 (Pusey), iv. 302 (Clarke), xii. 259; 

 part of N.E. America i Johnston \ xiii. 8, 

 xiv. 1 ; of Northaiuptoiisliire CBearne), 

 xiii. 44; of Cumbirland (Dickinson', 

 247 ; of Derbysliirc ' Itowley), xiv. IS ; 

 of Surrey (Evershed), 396; of Here- 

 fordshire (Rowlandson), 433 ; of Oxford- 

 shire (Read), xv. 189 ; of Dorsetshire 

 (Ruegg), 390 ; of Buckinghamshire 

 (Read), xvi. 269 ; of the crag forma- 

 tion (Herepath), vii. 95 ; of Warwick- 

 shire (Evershed), xvii. 474 ; of Shrop- 

 shire (Tanner), xix. 1 ; of Berkshire 

 (Spearing), xxi. 1 ; of Hampshire (Rev. 

 J. Wilkinson), xxii. 237 ; of the Isle 

 of Wight (Rev. J. Wilkinson), 348; 

 of Hertfordshire (Evershed), xxv. 269. 



Geranium columbinum, see " Craueabill, 

 the long-stalked." 



