GLOSSARY 
anon : Plants having no distinct cotyledons. See Coty- 
eaon. 
Acuminate : Gradually tapering to a point. 
Acute : Sharp, pointed. 
Amber : Fossil resin. 
Ammonites : Extinct molluscs, so called because their fossil 
shells are likened to the ram-like horns of the statue of 
Jupiter Ammon. 
Amphibians : Animals able to exist either on land or in water. 
Ancyloceras : An extinct cephalopod like an unrolled ammonite. 
Antenne : The horns or “ feelers ” of insects, crustaceans, ete. 
Anthers : The pollen sacs or vessels of stamens. 
Anthracite : A variety of coal containing a high percentage of 
carbon, and almost smokeless. 
Aquarium : A tank or vessel made to hold and keep alive water 
plants and animals. 
Arachnida : Greek, arachné, a spider ; a sub-class of the Arthro- 
poda, including spiders, mites, and scorpions. 
Araucarias : Evergreen trees allied to the pines, and commonly 
known as “monkey puzzles.” Named after a province |in 
the South of Chili. 
Archzean : In geology, the earliest deposits. 
Archeeopteryx : The earliest known kind of birds. 
Arthropoda: A great subdivision of the animal kingdom, in- 
cluding such jointed creatures as insects, spiders, mites, 
centipedes, millipedes, crabs, lobsters, etc. 
Articulated : In zoology, possessed of distinct joints, jointed. 
Ascending : In botany, curved upwards into an upright position. 
Atlantosaurus : An extinct monster. 
Awn : A pointed bristle. 
Barren : Bearing no fruit. 
Belemnites : Fossil remains of internal shells, “pens” or 
“ ouards ” of cuttile-fish. 
Biped : A two-footed animal. ‘ 
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