The National Geographic Magazine, Volume 115National Geographic Society, 1959 - Geography Indexes kept up to date with supplements. |
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Page 395
... birds . Like tufts on a wrinkled carpet , at least a million birds covered the ground and the roofs of the buildings . Crude fences kept them from spilling onto the porch of the house and through its open doors and windows . Guano ...
... birds . Like tufts on a wrinkled carpet , at least a million birds covered the ground and the roofs of the buildings . Crude fences kept them from spilling onto the porch of the house and through its open doors and windows . Guano ...
Page 398
... birds . Peru harvests thousands of tons of the rich fertilizer each year . feet a century and the thickest beds had grown to. 398 erect , giving an illusion of formal dress with their cloaks of blackish - green feathers and vests of ...
... birds . Peru harvests thousands of tons of the rich fertilizer each year . feet a century and the thickest beds had grown to. 398 erect , giving an illusion of formal dress with their cloaks of blackish - green feathers and vests of ...
Page 413
... bird colonies , particu- larly out of its range in southern Peru , will multiply annual deposits of guano and ensure the supply . Crops should increase in direct ratio to the addition of nesting sites , as long as guano birds can find ...
... bird colonies , particu- larly out of its range in southern Peru , will multiply annual deposits of guano and ensure the supply . Crops should increase in direct ratio to the addition of nesting sites , as long as guano birds can find ...
Contents
VOLUME CXV | 155 |
TenColor Map Lands of the Eastern MediterraneanNIA | iii |
PUBLISHED BY | i |
Copyright | |
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