The New Encyclopædia Britannica, Volume 16Encyclopaedia Britannica, 1981 - Encyclopedias and dictionaries |
From inside the book
Results 1-3 of 16
Page 542
... Decapoda Decapods comprise a moderately large group of special- ized , usually aquatic crustaceans commonly known as shrimp , lobsters , crayfish , hermit crabs , and crabs . More than 8,500 Recent species are known , the total number ...
... Decapoda Decapods comprise a moderately large group of special- ized , usually aquatic crustaceans commonly known as shrimp , lobsters , crayfish , hermit crabs , and crabs . More than 8,500 Recent species are known , the total number ...
Page 543
... Deca- pods utilizing terrestrial habitats are less numerous and include members of the anomuran family Coenobitidae as well as crabs of the families Ocypodidae , Gecarcini- dae , and Grapsidae . IMPORTANCE TO MAN Some decapods form the ...
... Deca- pods utilizing terrestrial habitats are less numerous and include members of the anomuran family Coenobitidae as well as crabs of the families Ocypodidae , Gecarcini- dae , and Grapsidae . IMPORTANCE TO MAN Some decapods form the ...
Page 546
... decapods is usually equal to the medium ( isotonic ) , whereas in fresh water form it is much higher . In adapt- ing for life in fresh water , decapods have developed sev- eral mechanisms , including reduction of the permeability of the ...
... decapods is usually equal to the medium ( isotonic ) , whereas in fresh water form it is much higher . In adapt- ing for life in fresh water , decapods have developed sev- eral mechanisms , including reduction of the permeability of the ...
Other editions - View all
Common terms and phrases
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