INDEX. 
647 
Dryornis or Moa, recent extirpation of, in | EARTHQUAKES, resistance to, 635 
New Zealand, 122 
DISEASES, contagious, propagation of, 
germs, 147, note 
Dono, extirpation of, 122 
Down River, proposed diversion of, 621 
DRAINAGE of Lakes, 417 
of Lake of Haarlem, 418 
of Lake of Albano, 427 
of Lake of Fucinus or Celano, 429 
of Lake of Copais, 569 
of Lake of Lungern, 433 
of bogs and swamps, 485 e¢ seqq. 
its necessity in lands newly reclaimed from 
forest, 487 
surface and subterranean, and their effects, 
438 
by boring, 439 
of surface waters, climatic effects of, 440 
unforeseen effects of, 445 
effect of, on inundations, 489 
DRANCE, glacier lake of, 500 
DUGDALE on sea dikes, 406, note 
Dunes, coast, how formed, 559 e¢ seqq. 
height of, 562 
sands of, character and composition of, 567, 
600, note 
interior structure of, 569 
stratification of, 570 
geological importance of, 572 
of American coasts, 575 
of Western Europe, 575 ’ 
age, character, and permanence of, 577 
naturally wooded, 579 
protection of, 580, 592 
uses of, asa barrier against the sea, 551 
movement of, 587 
control of, by man, 591 
artificial, 591 
plantation of, 594 et seqq. 
vineyards upon, 595 
artificial removal of, 599 
inland, 600 
of North American Desert, 600 
of South American Desert, 601 
DUPONCHEL, proposals for agricultural improve- 
ment, 633 
DuRANCE, fertilizing slime of, 245, 20te 
Dust, cosmical, deposit of, 642, note 
DwicHT, Dr., travels in the United States 
characterized, 51, note 
by 
EanrtH, habitable, generally wooded, 148 
displacement of, in engineering, 403, note 
transported to cover rocky surface, 62 
EARTHWORMS, utility of, 129-131 
EEzs, destruction of, 107, note 
Eeypr, introduction of foreign plants and ani- 
mals into, 67, 20te 
catacombs of, 51, note 
papyrus and water-lily of, 77, 20¢e 
poisonous snakes of, 126, note 
supposed increase of rain in, 197, note 
productiveness of, 244, note 
original condition of, 449 
amount of water used for irrigation, 450 
cultivated soil of, 453 
population of, 454 
driginally morass, 455, note 
saline deposits of, 468 
sands of, 552 
their prevalence and extent, 555, note 
action on the Delta and cultivated land, 
554 
source of sands, 555 
effect of diversion of the Nile upon, 622 
refuse heaps near Cairo, 641, note 
ELEPHANT, numbers of, killed, 94 
ELsINEUR, artificial formation in harbor of, 
639 
EMBANEMENTS, river, uses and evils of, 5(1 et 
seqd. 
imitation of nature, 531, note 
Lombardini’s views of, 502, note 
of Mississippi, magnitude of, 511 
ENGINEERS and Artisans, not respected by 
ancients or in Middle Ages, 426 
ENGLAND, forest economy of, 507 
forests of, described by Czesar, 309, note 
large extent of ornamental plantation, 309 
private enterprises in sylviculture, 311 
ENGUERRAND de Concy, cruelty of, 350 
Erna, eruptive matter of, infertile, 150 
EucALyPtvus, growth and height of, 334, note ; 
394, note 
EUPHRATES, sand plains in the valley of, 604 
EVAPORATION, amount of, uncertain, 24 
from forest earth, 176 
relative, from earth and water, 441, note 
EVERGREEN Trees, properties of, 175, 20¢e ; 
205, 207 
Eye, cultivation of, 11 
sympathy between, and other organs, 11, 
note 
Fens of Lincolnshire, draining of, 403 
FEUDALISM, abuses of, 5, 20¢é 
FrrgE, action of, on wood-land, 361, 362 
protection of woods against, 384 
