Annual Report of the Board of Regents of the Smithsonian InstitutionThe Institution, 1921 |
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Page 397
... EGG LAYING . The cicadas lay their eggs in the twigs of trees and shrubs and fre- quently in the stalks of deciduous plants . They show no particular choice of species except that conifers are usually avoided , though Mr. W. T. Davis ...
... EGG LAYING . The cicadas lay their eggs in the twigs of trees and shrubs and fre- quently in the stalks of deciduous plants . They show no particular choice of species except that conifers are usually avoided , though Mr. W. T. Davis ...
Page 398
... eggs are placed on end in the chambers in two rows , with their head ends downward and slanted toward the door . Generally there are 6 or 7 eggs in each row ( E ) , making 24 to 28 eggs in the whole nest , but frequently there are more ...
... eggs are placed on end in the chambers in two rows , with their head ends downward and slanted toward the door . Generally there are 6 or 7 eggs in each row ( E ) , making 24 to 28 eggs in the whole nest , but frequently there are more ...
Page 404
... egg nests themselves showed that over half contained nothing but empty shells . Whole series were thus deserted , and usually all or nearly all of the eggs in any one series of nests would be either hatched or unhatched . But often the eggs ...
... egg nests themselves showed that over half contained nothing but empty shells . Whole series were thus deserted , and usually all or nearly all of the eggs in any one series of nests would be either hatched or unhatched . But often the eggs ...
Contents
Bureau of American Ethnology | 17 |
Report on the United States National Museum | 25 |
EXECUTIVE COMMITTEE AND REGENTS | 100 |
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