volume 4 page 126
Elizabethan Age (English history)
Elizabeth I volume 4 page 125
elk (mammal grouping)
MAIN ARTICLE volume 4 page 127
MORE TO EXPLORE
American elk, or wapiti picture, volume
4 page 127
Elk Tongue (Native American) picture,
volume 7 page 70
Ellice Islands (island country in the
Pacific Ocean): see in index Tuvalu
Ellington, Duke (U.S. composer and jazz
band leader)
jazz volume 7 page 16
elliptical galaxy (astronomy)
galaxy volume 5 page 81
Ellis,WilliamWebb (British athlete)
rugby volume 11 page 103
Ellis Island (island in New York, U.S.)
MAIN ARTICLE volume 4 page 127, picture,
volume 4 page 127, picture, volume 4
page 128
MORE TO EXPLORE
citizenship ceremony picture, volume 3
page 121
New York City volume 9 page 60
elm (tree)
MAIN ARTICLE volume 4 page 128
MORE TO EXPLORE
American elm picture, volume 4
page 128
BRITANNICA STUDENT ENCYCLOPEDIA elm 79
English elm picture, volume 13 page 94
Elowah Falls (waterfall in Oregon, U.S.)
picture, volume 9 page 147
El Salvador (country in South America)
MAIN ARTICLE volume 4 page 129
MORE TO EXPLORE
geography
landslide damage picture, volume 7
page 104
San Salvador picture, volume 12
page 30
elver (eel)
eel volume 4 page 108
Elvish (language)
Tolkien volume 13 page 77
e-mail (electronic communication)
Internet volume 6 page 142
Emancipation Proclamation (U.S. history,
1863)
MAIN ARTICLE volume 4 page 130, picture,
volume 4 page 130
MORE TO EXPLORE
abolitionist movement volume 1 page 12
African Americans volume 1 page 43
American CivilWar volume 1 page 97
Lincoln volume 7 page 156
Embalse del Rio Negro (artificial lake in
Uruguay)
Uruguay volume 14 page 42
embryo (animal reproduction)
chromosome volume 3 page 116
egg volume 4 page 108
vertebrate embryo development picture,
volume 5 page 109
embryo (plant)
seed volume 12 page 62
emerald (gemstone)
jewelry and gems volume 7 page 24
Emerald Isle (island in Europe): see in
index Ireland
emergency medical technician picture,
volume 1 page 93
ambulance volume 1 page 93
emergency room (hospital area)
hospital volume 6 page 88
emotion (psychology)
adolescence volume 1 page 31
emotional memory (mental function)
memory volume 8 page 98
emperor (title): see in index empire
emperor penguin (bird) picture, volume
10 page 52
penguins volume 10 page 53
emphysema (medical disorder)
lung volume 7 page 184
empire (political entity)
MAIN ARTICLE volume 4 page 130
Empire State (state in the U.S.): see in
index New York
Empire State Building (building in New
York City, New York, U.S.)
skyscraper volume 12 page 105
world’s tallest buildings picture, volume
12 page 104
EMT (medical personnel): see in index
emergency medical technician
emu (bird) picture, volume 2 page 79
flightless birds volume 2 page 79
enamel (tooth)
teeth volume 13 page 31
encephalitis (disease)
MAIN ARTICLE volume 4 page 132
MORE TO EXPLORE
West Nile virus volume 15 page 33
X-ray photograph of brain picture, volume
4 page 133
“Encyclop.dia Britannica” (English
language reference work)
Edinburgh volume 4 page 104
“Encyclopedie” (French language reference
work)
work of the Enlightenment picture, volume
4 page 142
endangered species
MAIN ARTICLE volume 4 page 133
MORE TO EXPLORE
animals
apes volume 1 page 148
bald eagle picture, volume 4 page 86
bonobo volume 2 page 107
California condor picture, volume 4
page 133, picture, volume 15
page 108
cheetah volume 3 page 85
elephant volume 4 page 125
extinct animals volume 1 page 127
orangutan volume 9 page 145
otter volume 9 page 156
panda volume 10 page 25
parrot family volume 10 page 39
tapir volume 13 page 17
tiger volume 13 page 66
Arctic Ocean volume 1 page 173
zoo volume 15 page 108
“Endeavor” (U.S. space shuttle)
Jemison volume 7 page 20, picture, volume
7 page 20
endocrine system (human physiology)
MAIN ARTICLE volume 4 page 134, picture,
volume 4 page 135, picture, volume 4
page 136
endodermis (botany)
root picture, volume 11 page 96
endoskeleton (anatomy): see in index
skeleton
endosperm (plant tissue)
grain volume 5 page 134
seed volume 12 page 62
end zone (sports)
football volume 5 page 48
energy (physics)
MAIN ARTICLE volume 4 page 137
MORE TO EXPLORE
energy sources picture, volume 4
page 139
food and nutrition volume 5 page 43
fossil fuel volume 5 page 55
muscle volume 8 page 208
physics volume 10 page 78
energy, alternative: see in index alternative
energy
Energy, Department of (U.S. government
agency)
United States government executive
departments table, volume 14 page 35
energy consumption
Carter volume 3
Engelmann prickly pear (cactus) picture,
volume 3 page 6
engine (technology): see in index internalcombustion
engine; steam engine
England (part of the United Kingdom)
MAIN ARTICLE volume 4 page 139
MORE TO EXPLORE
geography
80 Elowah Falls BRITANNICA STUDENT ENCYCLOPEDIA
Cotswolds picture, volume 4 page 140
English Channel volume 4 page 141
wetland ecosystem picture, volume 4
page 101
Yorkshire heather picture, volume 6
page 33
history
Anglo-Saxon volume 1 page 121
Alfred the Great volume 1 page 75
Bede’s history picture, volume 6
page 64
banking volume 2 page 25
Elizabeth I picture, volume 10 page 38
exploration and settlement of the
Americas volume 1 page 102
Cabot volume 3 page 4