The New Encyclopædia Britannica, Volume 19Encyclopaedia Britannica, 1981 - Encyclopedias and dictionaries |
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Page 1
... species . Half of the families contain 50 species or less , but the two largest families ( Malpighiaceae and Oxalidaceae ) each have about 900 species . These two large families have pre- dominantly tropical distributions , although the ...
... species . Half of the families contain 50 species or less , but the two largest families ( Malpighiaceae and Oxalidaceae ) each have about 900 species . These two large families have pre- dominantly tropical distributions , although the ...
Page 283
... species . A few species thrust their flowering stems upward shortly after the disappearance of snow and before they are shaded by the spring growth of the cool - season grasses . These are followed by the spring flowers , which , in the ...
... species . A few species thrust their flowering stems upward shortly after the disappearance of snow and before they are shaded by the spring growth of the cool - season grasses . These are followed by the spring flowers , which , in the ...
Page 1030
... species belonging to the human family ( see HOMINIDAE ) is Homo erectus ( formerly called Pithec- anthropus ) . Members of this species differ in a number of respects from modern man , who is classified as a dis- tinct primate species ...
... species belonging to the human family ( see HOMINIDAE ) is Homo erectus ( formerly called Pithec- anthropus ) . Members of this species differ in a number of respects from modern man , who is classified as a dis- tinct primate species ...
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