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A SUPPOSED MIGRATION OF PIERIDÆ WITNESSED IN VENEZUELA IN THE SUMMER OF 1901

Published online by Cambridge University Press:  31 May 2012

Austin. H. Clark
Austin. H. Clark
Affiliation:
Harvard University, Cambridge, Mass.
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Extract

The erratic migrations of certain insects, often in countless swarms, have been noticed and put on record by many observers. In a country where, perhaps, they are scarce, or, it may be, almost wanting ordinarily, they may suddenly put in an appearance in such numbers as to defy all attempts at computation; or immense swarms of them may sometimes be seen far out at sea, flying steadily in a direction which may take them out so far as to effectually prevent any return.

Type
Articles
Information
The Canadian Entomologist , Volume 35 , Issue 8 , August 1903 , pp. 219 - 222
Copyright
Copyright © Entomological Society of Canada 1903

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References

* The Naturalist on the La Plata, Chapter IX.

† Loudon's Magazine of Natural History, N. S. III.