VOLUMES ONE TO SIXTEEN. 



53 



IMPLEMENTS. 



DiPl-EMENTS of Cumberland (W. Dickin- 

 son), xiii. 240. 



, a report on the exhibition and trial 



of implements at the Lewes meeting, 

 1852, by H. S. Thompson, xiii. 301. 



of Derbjshire, xiv. 2(3. 



, number entered for exhibition at 



the Society's meetings, from Oxford in 

 1839 to Gloucester in 1853, xiv. xii. 



-of East Lothian (Stevenson), xiv. 290. 



', judges' report of those exhibited 



and tried at the Gloucester meeting, 

 xiv. 343. 



of Oxfordshire (Read), xv. 245. 



, report on the exJiibition of, at the 



Lincoln meeting (1854), by A. Ham- 

 mond, XV. 3G3 ; none entered for exhi- 

 bition, i'). 



of Buckinghamshire (Read), xvi. 



305. 



, report on the exhibition and trial 



of, at Carlisle, by W. F. Hobbs, xvi, 

 505. 



Inclination ofland influences its warmth 

 and its fertility (Schubler), i. 204. 



Inclosure bills since 1710 (Acland). xvi. 

 575. 



Indian corn, analysis of the seeds and 

 straw, by J. T. Way and G. Hogston, ii. 

 508 ; by Payen and Johnston, xiii. 522. 



, analysis of its meal, xiii. 522. 



, experiments on, as food for pigs, 



by J. I^. Lawes, xiv. 472. 



Inflammation defined (Play fair), iv. 

 253. 



in sheep (Cleeve), i. 316. 



Inoculation of cattle for pleura pneu- 

 monia, by J. B. Simonds, xiii. 373. 



of pastures, on the, by K. Smith, 



ix. 15. 



in Essex, by R. Baker, v. 32 ; by B. 



Baker, GOO. 



Inokganic matters, the, drawn from a 

 soil by one course of crops on the four- 

 course system (Ilannani), iv. 178. 



Insects which affect the turnip crop, by 

 J. Curtis, ii. 193. 



T/tc Tiimip-hcetle, ii. 195; they pair 



from April to September, 19(; ; lay 

 tlieir eggs (one daily) on the under 

 side of tiie rough leaves of the turnip, 

 ih. ; modes of protecting the turnii)S 

 from their attacks, 202 ; small birds 

 destroy large numbers of them, 210; 

 engraving of, 212. 



Till- Si>c-ll;i aw\ its black caterpillar, 



.1. Curtis on, ii. 3(',4 ; certain species 

 suddenly appear and disappear, i'^. ; 

 noticed by Marshall in 1782, i'-. ; no- 

 ticetl previously coming from the sea, 

 36G ; the earliest record of their ap- 



INSECTS. 



pearance, 367 ; moths caught by the 

 keepers of the Lowestoft lighthouse, 

 ih. ; the saw-fly killed by frost, 369 ; 

 description of, 371; when they gene- 

 rally appear, 373; their vitality, ih.', 

 number of eggs laid by the female, 374 ; 

 time when the eggs hatched, /';. ; the 

 young caterpillars, ib.; delight in 

 sunny weather, 375 ; their growth, 

 376 ; then they bury themselves in the 

 soil, il). ; form a cocoon, ib. ; the char- 

 lock their food, 377 ; rooks are the 

 enemies of the saw-fly caterpillars, 379 ; 

 swallows of the saw-flies, i''. ; effect of 

 lime-dust, 380 ; ducks employed, 384 ; 

 an engraving of the turnip saw-fly in 

 its various stages, 388. 



Insects, Plant-Lice. — On the plant-lice, 

 &c., by J. Curtis, iii. 49 ; the multi- 

 tudes of these, ib.; when these aphides 

 were found, 50; two distinct species 

 infest the turnip, ib. ; when they 

 make their first appearance, 52 ; 

 species of aphides on the turnips, 

 t6. ; the turnip-leaf plant-louse (aphis 

 rapae), 53 ; the black-spotted turnip- 

 leaf plant-louse, 54; when found, ib.; 

 tlie cabbage and Swedish turnip-leaf 

 plant-louse (aphis brassica'), '''■ ; when 

 it appears, Vk ; the turnip-flower plant- 

 louse (aphis floris-rapcc), 55; the enemies 

 of the plant-lice, 56 ; the flies which 

 destroy the aphides of the turnip crop, 

 59 ; the aphides, their tenacity of life, 

 67; effect of severe frosts,i 6.; how 

 affected by wet, 68. 



, turnip-leaf miners, drosophila, &c., 



iii. 68 ; varieties of, 70. 



, the turnip diamond-black moth 



(cerostoma xylostella), iii. 70; its wide 

 dispersion, 71. 



, the Y-moth (plusia gamma), iii. 72 ; 



when most abundant, 73 ; eff"ect of 

 rainy and dry seasons, 73 ; engraving 

 of the turnip-lice, &c., 77, 78. 



,onthe white cabbage-butterfly, by J. 



Curtis, iii. 306; when their eggs 

 hatched, 307 ; the ichneumons whicli 

 destroy them, the microgaster glo- 

 merata, and others, 309 ; thechrysometa, 

 betuta, 314; the turnip-seed weevil, 

 315. 



, the green rose-chafer, iii. 317 ; en- 

 gravings of them, 3^2. 



, o\i the surfixce caterpillars, the 



furiii]) gall-weevil, and the dipterous 

 flies and rovi'-beetles infesting anbury, 

 by J. Curtis, iv. 100; surface grubs 

 or caterpillars, I'l. ; the great yellow 

 underwing moth, 103; various others, 

 1U7 ; anbury, or fingers and toes, 121. 



