VOLUMES ONE TO TWENTY-FIVE. 



101 



SEASONS. 



com and straw (Lawes and Gilbert), 

 xviii. 477 ; tlicy tell alike on difterent 

 manures, 4:80. 



Skasons, tlieir influeneo on the liay crop 

 (Lawes and Gilliert), xix. 559. 



Seaweeds used extensively as manure 

 in the Isle of Thauet (liuckland), vi. 

 2G1. 



used as a manure in Devonshire 



(Taimer), ix. 4G9. 



■ used in South Wales (Read), x. 



142. 



recommended as a manure for the 



tussac-grass (Scohie), x. 183. 



, ashes of, tlieir analysis, xiii. 490. 



, their ashes used as manure in 



Jersey, xx. 40 ; not adapted for pota- 

 toes, 41. 



Sedge, its soils and habits (Buckman), 

 xvi. 3G6. 



Seeds, on tlic steeping of (as fertilisers), 

 by J. Campbell, iv. 557. 



, on the advantage of thick sowing, 



by D. Barclay, vi. 192. 



, on thick and thin sowing, by Sir 



W. Heathcote, vii. 535. 



, on thin sowing, by J. J. Mechi, vii. 



537. 



, a trial on the steeping of mangel- 

 wurzel seeds, by G. E. Raj'nbird, viii. 

 215. 



■ , grass, growth of, in Suflblk, )jy H. 



Kaynbird, viii. 297. 



, on the advantages of tliick sowing, 



by W. Loft, ix. 281. 



, on the comparative merits of thick 



and thin so-s\ang, by J. B. Wolfe, ix. 

 453. 



, quantity of seed-wheat used in the 



N. E. of Yorksliirc (Milburn), ix. 501. 



■ for hemp, choice of, and quantity 



employed (Kowlandson), x. 172, 181. 



, barley, on the advantages and risks 



of early sowing, by H. W. Keaiy, x. 

 460. 



, on the proper quantity of seed for 



wheat, by E. B. Wolfe, xi. 184. 



, of grasses, not sown in Cumberland 



in 1752 (Dickinson), xiii. 273. 



, grass crops in Surrey (Evershed), 



xiv. 81, 87. 



, growth of, in East Lothian (Steven- 

 son), xiv. 285. 



of weeds (Buckman"), xvi. 377 ; of 



tlu^ store dormant in soils, 374. 



, adulteration of, prize essay (W. and 



H. Raynbird), xxii. 14 ; low-i)riced 

 seeds, seeds badly grown and liar- 

 vested, 15 ; clover-seed adulterations, 

 ■ih.; bleaching, colouring, and ru))bing, 

 IG ; impiu-ities in foreign clover, ib. ; 

 VOLS. I. — XXV. 



see dodder (Cuscuta epilinum and C. tri- 

 folii), 1 8, 20 ; rye-grass adulterated witii 

 Alopecurus agrestis, Holeus lanatus, 

 &c., 21, 22 ; sainfoin much mixed with 

 burnet, 23 ; similarity of the two seeds, 

 ib.; turnip, rape, and mangold seeils, 

 24 ; Appelius on germination, 25 ; 

 adulterations by accident or fraud, 

 25, 2G ; foreign seed adulterations, 2G ; 

 evils of sowing foul seed, 27 ; methods 

 of detection. 



Seeding, thin, discouraged by Lawes 

 and Gilbert, xvii. 591. 



Segelcke, M., his tests for woody fibre, 

 XX. 420. 



Self-heal (Buckman), xvi. 3G4. 



Selwood forest, see Parkinson's ' Agri- 

 culture of Nottinghamshire,' xxii. IGl. 



Senecio Jacobfea, see " Eagwort, the 

 common." 



tenuifolius, see " Eagwort, tlio 



hoary." 



vulgaris, see '• Groundsel, the com- 

 mon." 



Serpentine, the, soils of the Lizard arc 

 not fertile, viii. 29. See " Geology." 



of Cornwall, by W. F. Karkeek, vi. 



419. 



, analysis of, xiii. 532. 



rock, analysis of, xiii. 534 ; xvii. 



464. 



Sewage, remarks on the conditions essen- 

 tial to its advantageous apj^licalion to 

 the land (Eev. W. E. Bowditch), xix. 

 249 ; earth-closets suggested, ih. 



, lecture on (Dr. Voelcker), xxiii. 



462 ; quantity and constituents of Lon- 

 don sewage, ib. ; amount of solid matter 

 l)er gallon, ih. ; ditto, Birmingham 

 sewage, 463; value put on sewage by 

 Prof, Hoffman and otlier chemists, 

 464 ; fallacy of theoretical calculations, 

 ih ; considerations affecting the value 

 of manure, 465 ; application of sewago 

 to sandy soils, ib. ; analyses of clay 

 soils, ih. ; use of concentrated manure, 

 ib. ; comparison of sewago and farm- 

 yard-manure, 4(J() ; analyses of sanily 

 soils, ib. ; use of bulky manure, 467 ; 

 grass benefited by large apjilieations 

 of sewage, ib. ; the Edinbuigii example, 

 468 ; ab.sorbent properties of soils, 

 il). ; filtration of potash in sewage 

 through clay soils, ib. ; advantageous 

 results from sewage only to be obtained 

 i'rom large applications, ib. ; irrigation 

 witli even jmre water beneficial to 

 clay soils, 469 ; Discussion — Sir .J. 

 •Tohiistono and Mr. Frere, ib. ; Mr. 

 Blacklmrn, Mr. Barker, and Dr. 

 Voelcker, 470. 



1 



