VOLUMES ONE TO TWENTY-FIVE. 



135 



Okchards of Berksbiro (Sncariii£r'), xxi. 



Orchis latifolia, or marsh orchis (Buck- 

 luau), xvi. 3b6. 



maculata, or spotted-leaved orcliis 



(Buckman), xvi. 30(5. 



mascuki, or early purple orchis, xvi. 



36G, 



raorio, or common orcliis, xvi. 3G(j. 



Orellin, qualities of, xxiv. 550, 

 Organ, org;aiiic, the terms explained 



(Henfrey), xvii. G5. 

 Organic, meaning of the term as used 



by Liebig, xxv. 503. 

 matter, nitrogenous and non-nitro- 

 genous, its money value as a manure 



(Way), xvi. 539. 

 ■ matter in drainage water destroyed 



by permanganate of potash (J, T. Way), 



xvii. 157. 

 Organs of plants, situated externally 



(Henfrey), xvii. C6; tlieir functions, 



67 ; elementary organs, ib. 

 Orobanche, a disease in clover, its origin 



described (Pusey), i. 13; (Main), 173. 



, or broom-rape, by J. Blain, i. 173. 



elatior, see " Broom-rape, tlie tall." 



minor, see " Broom-rape, the minor." 



ramosa, see " Broom-rape, tlie 



branched." 



Ortolans, tlie mode of fattening in Italy 

 (Lyon riayfair), iv. 244. 



Orton, on tiie influence of either parent 

 on the oftspring, xvi. 43. 



OsTEOLiTH, a species of phosphorite found 

 near Hanau (Dr. Voelcker), xxi. 357. 



Otmoor, in Oxfordshire (Eead), xv. 251. 



Oven for a cottage, cost of (C. Hill), iv, 

 361. 



Overman, Mr., the late, liis growth of 

 wheat at Holkliam, iii. 6 ; his lease for 

 light turnip-lands, 7. 



, F. W., on claying or marling land, 



in. 234. See " M;irliiig." 



Owen, Prof., on a hybrid from a hare and 

 rabbit, xxv. 2G5. 



, Prof., on trematode worms, xxiii. 



96; on parthenogenesis, 114. 



Ox-blood, analysis of, see " Food of live 

 stock." 



Oxen, see " Cattle." 



, their keep and cost in France, xix. 



490-2. 



, sheep, and pigs, their composition 



and increase while fatteidng (Lawes 

 and Gilbert), xxi. 433; tables of nitro- 

 genous and non-nitrogenous compounds 

 consumed, 436-7; nitrogen in food, 

 435 ; cellulose, ib. ; feeding value of 

 pectine compounds, ih. ; fatty matter, lb. ; 

 allosvancc for variations, 438 ; bulk and 



character of the food of pigs and rate of 

 increase, ib. ; food and inci ease of sheep, 

 ib. ; dry substance in oilcake and foreign 

 corn, 439 ; relation of nitrogenous to 

 non-nitrogenous food, ib.; proportions 

 of food in early stages of growtli, ib. ; 

 economy of feeding, 440 ; food rich in 

 carbon and hydrogen, ib. ; relative de- 

 velopment of organs and parts of fat- 

 tening cattle, ib. ; tables of live and 

 dead weights of stock, 443-9 ; propor- 

 tions of intestines and their coiitents to 

 the enthe animal weight, 441; refer- 

 ence to ' Philosophical Transactions ' 

 (Pt. II., 18.59), ib.; loose fat, 442; 

 weight of oftal at various stages, ib. ; 

 proportion of olfal to carcass, 450 ; 

 saleable carcass defined, 451 ; rapid in- 

 crease of fat, ib. ; table of amounts and 

 IDroportions of the fat and lean parts of 

 l^igs fed on different food, 452 ; in- 

 fluence of food, 454 ; description of ten 

 animals, analysed in difterent condi- 

 tions of growtli and fatness, 455 ; com- 

 ■ position of carcass and ofl'al, 456 ; of 

 the entire bodies, 457; proportion of 

 mineral matters to nitrogenous flesh 

 constituents, 458; composition of car- 

 casses and i:)roportion of fat to nitro- 

 genous substance in beef, mutton, lamb, 

 and pork, ib. ; percentage of mineral 

 matter in offal, 459 ; composition of the 

 entire bodies and percentage of mineral 

 matter, phosphoric acid, and potash, 

 460 ; percentage of nitrogenous com- 

 pounds and of fat in different stages, 

 461 ; feeding properly termed fattening, 

 462; tables of the estimated composi- 

 tion of the increase of fattening oxen, 

 463 ; sheep, 464 ; pigs, 465 ; explana- 

 tion of tables, 466; condition of oxen 

 when experimented on and composition 

 of their increase, ih. ; increase of mineral 

 matter and nitrogenous compounds in 

 fattening sheep and pigs, 467 ; table o/' 

 mean results, 468; eflect of liberal 

 feeding in the final fattening stage, 

 469 ; feeding constituents stored up in 

 increase (tables), 471-2 ; explanation, 

 469-470 ; mineral matters removed 

 from farms by fatted animals, 473 ; 

 comparative requirements of sheep and 

 pigs, 474 ; the manure account as 

 affected by fatted animals, ib. ; tables 

 of constituents stored up in increase 

 and of matter thrown off by sheep, 

 476 ; and pigs, 477 ; explanation of 

 tables, 475 ; percentage of mineral 

 matter in iiat sheep and pigs, ib. ; rela- 

 tion of mineral to nitrogenous matters 

 of growth, 478 ; propoition of voided to 



