The New Encyclopædia Britannica, Volume 16Encyclopaedia Britannica, 1981 - Encyclopedias and dictionaries |
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Page 7
... represented in the fossil record have been lumped , for convenience , in the family Voltziaceae , of uncertain relationship to still earlier groups of plants ( see Figure 3 ) . Within the Voltziaceae several " form genera " ( those ...
... represented in the fossil record have been lumped , for convenience , in the family Voltziaceae , of uncertain relationship to still earlier groups of plants ( see Figure 3 ) . Within the Voltziaceae several " form genera " ( those ...
Page 406
... represented by beehive dwell- ings , and the utensils in use were of stone . Flint and ob- sidian implements were current , and stone celts were found in great numbers . This earlier period , which may be called pre - ceramic , was ...
... represented by beehive dwell- ings , and the utensils in use were of stone . Flint and ob- sidian implements were current , and stone celts were found in great numbers . This earlier period , which may be called pre - ceramic , was ...
Page 555
... represented by the vector u whose com- ponents ( U1 , U2 , U3 ) are [ ( a 1 ) x ; ] , ii , 2 , 3. Any physical quantity that has direction , such as displacement , velocity , force , electric field , can be represented in magnitude and ...
... represented by the vector u whose com- ponents ( U1 , U2 , U3 ) are [ ( a 1 ) x ; ] , ii , 2 , 3. Any physical quantity that has direction , such as displacement , velocity , force , electric field , can be represented in magnitude and ...
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19th century Africa American animals areas became bee-eaters cells centimetres central centre century Church collagen conifers connective tissue conodonts conservation conservatism constitution continental continental drift copper Coraciiformes coral cosmic rays countries court covenant Cretaceous Crete cricket crime criminal Cro-Magnon crocodiles Crusade cultural deposits disease early Earth economic effect energy England Europe federal forest fossil France French function genera geosynclines groups hoopoes hornbills illus important industrial Iráklion island King known land later Le Corbusier legislation major ment metres minerals modern natural North Nyssaceae occur ocean Ordovician organized original Parliament particles party percent period plants political pollution population problems protection reefs region result River rock Roman Saladin sediments social South Soviet species structure theory tion town trade traditional trees tropical trouvères Union United usually western