462 BULLETIN OF THE BUSSEY INSTITUTION. 
and orange trees in California, 404, in 
Florida, 405, is probably due primarily 
to insects, 412, 415 ; of orange-trees may 
be treated with alkaline soaps, 414; of 
plum-trees called black knot, 440. 
Diseases of animals, rational treatment of, 
* 288. 
Disturbing influences, see Circumstances. 
Divinity School, Mr. Bussey’s gift to the, 
3, 4. 
Dogs, humane destruction of, 47, 48. 
Draining, of bogs, 361; a means of check- 
ing the potato rot, 335; of salt marshes, 
361. 
Drift soil, of Eastern Massachusetts, its 
power of supporting trees, 58. 
Drugs, action of, varies in different ani- 
-, mals, 287. 
Dung of animals (compare Stable Manure), 
diffusive power of its nitrogenous con- 
stituents, 131; why better as manure 
than mere vegetable matter, 132. 
Dung of fowls and of hogs liable to be fly- 
blown, 24. 
EARTH closet, use of coal-ashes in the, 67. 
English hay, see Hay. 
Epidermis of leaves, 320. 
Exhausted land, in New England, 158. 
Experiments with fertilizers, 80, 103, 116, 
300. 
Experiments upon growth of potatoes, by 
Mr. Henry Saltonstall, 137. 
Exudations from trees or other plants may 
supply food to fungi, 412, 445. 
FALLOws, promote changes in the condi- 
tion of the soil-nitrogen, 276. 
Farlow, W. G., on the black knot, 440; 
on a disease of olive and orange trees, 
404; on the lettuce mould, 328; on the 
potato rot, 319 ; on American grape-vine 
mildew, 415; list of fungi in vicinity of 
- Boston, 430; synopsis of Peronosporez 
of the United States, 426. 
Farming, peculiar conditions that affect 
the art in New England, 159; is possi- 
ble in the absence of humus, 269; style 
of, depends on conditions which obtain in 
any given locality, 168: system of, in 
the vicinity of Boston, 157. 
Farm-yard manure, field experiments 
with, 83, 88, 106, 140, 315. 
Fat, of apples, 365; of bran, 28; of black 
grass seeds, 343; of date stones, 375; 
- of hay, 343. 
Feed, meaning of the term, 25. 
Fertility, natural, of land, see Natural 
Strength. 
Fertilizers, amounts of to be added to 
land, 311; analyses of, 8, 170, 185, 191, 
378; appraisal of, 16, 18, 20, 178, 186, 
378; coal-ashes good to mix with, 67; 
commercial, have the advantage of being 
free from eggs or larve of insects, 24, 
and from the spores of fungi, 336; that 
contain matters poisonous to plants, 
381, may be useful because poisonous, 
381; field experiments with, at the 
Bussey Institution, 80, 103, 116, 300, at 
the farm of Mr. Henry Saltonstall, 137 ; 
influence of, on growth of Agricultural 
Schools, 22; mixtures of, for field ex- 
periments, 116, 138, 306, on grass land, 
188, 189 ; cost of mixtures, as compared 
with the cost of dung, 306, 309; mix- 
tures should be made by the farmer, 
rather than by the manufacturer or 
dealer, 184, 382; phosphatic, might be 
imported from Europe, 23, 180; potassie, 
sources of, 378; should not be applied 
to land in undue quantity, 129, 311, 312, 
316 ; trials of, in field experiments, 80, 
103, 116, 137, 188, 189, 300, 313; use of 
mixtures of, 300, 307, 310. 
Figures (or references to figures), of the 
fungus that causes the black knot on 
plum and cherry trees, 441, 443, 444, 
454; of the fungus that causes the po- 
tato rot, 321, 325; of Fumago salicina, 
406, 407, 411, 454; of heads of animals, 
43. 45; of the lettuce mould, 328, 329; 
of the olive fungus, 406, 407, 454; of 
some common moulds, 333; of Pero- 
nospora effusa, 454; of P. infestans, 
321, 325; of P. nivea, 426, 454; of P. 
viticola, 418, 419, 421, 427, 454; of 
Spheria morbosa, 441, 443, 444, 454. 
Field experiments, at the Bussey Institu- 
tion, 80, 103, 116, 300; circumstances 
that tend to perturb, 85, 86, 87, 103, 
115, 125, 126, 128, 133, 139, 141, 142, 
161, 162, 305; European contrasted 
with those made at the Bussey Institu- 
tion, 168, have seldom been made upon 
poor land, 169; of Mr. Henry Salton- 
stall, 137, 188; with mixed fertilizers, 
116, 137, 188, 300.. 
Fine-feed, meaning of the term, 25; is 
sometimes preferred to middlings, 38. 
Fire, should be used as little as possible 
in agriculture, 202. 
Fish, humane destruction of, 49. 
Fish-pomace, see Fish-scrap. 
Fish-scrap, analyses of, 15, 19; is a cheap 
manure, 312; is a cheap source of ni- 
trogen, 19; field experiments with, 83, 
106, 119, 301; as food for animals, 367, 
372; price of, 19; said to be specially 
effective in warm climates, 273. 
Fixing power of coal-ashes, 78. 
Flesh-meal, as food for animals, 367, 372; 
said to be specially useful, as manure, 
in warm climates, 273. 
Flocks, field experiments with, 84, 108. 
Florida, orange disease in, 405. 
Flowering fern, analysis of hay made 
from the, 348; popular estimate of the 
value of such hay, 348. 
Fodder, analysis alone is insufficient to 
determine the worth of, 350; methods 
of determining the value of, 350, 362; 
significance of chemical analysis of, 
37, 373; standard method of analyzing, 
26; tables of values of, 36, 351, 352, 
353, 367, 376. 
