...The yearly cycle of the Tiger Swallowtail is much likethat of the related species...
Clarence M. Weed 「Butterflies Worth Knowing」
...As far south as southern Canada there is a slight variationin this yearly cycle...
Clarence M. Weed 「Butterflies Worth Knowing」
...Fitch (1956:463) found that copperheads in northeastern Kansas begin their annual cycle of activity in the latter part of April, when the daily maximum temperature is about 22° C...
Ray D. Burkett 「Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)」
...Indications are that in the northern part of its range the annual activity cycle of the cottonmouth resembles that of the copperhead in northeastern Kansas...
Ray D. Burkett 「Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)」
...The diel cycle of activity of cottonmouths is of necessity closely related to the seasonal cycle...
Ray D. Burkett 「Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)」
...Since optimal temperatures determine activity, the diel cycle varies greatly from time to time...
Ray D. Burkett 「Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)」
...The diel activity cycle likewise depends upon temperatures but is influenced by other factors as well...
Ray D. Burkett 「Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)」
...All these buds whenmature, whether free or fixed, lay eggs in their turn, from which a freshstock arises to renew this singular cycle of growth, known amongnaturalists as "alternate generations...
Elizabeth Cabot Cary Agassiz 「Seaside Studies in Natural History」
...Despite the albuminous diet the cycle of evolutioncompletes itself without mishap...
J. H. Fabre Bernard Miall 「Social Life in the Insect World」
...The yearly cycle of the common Aphids of the apple tree has been latelyworked out in detail by and ...
Geo. H. Carpenter 「The Life-Story of Insects」
...Notwithstanding the albuminous regimen, the cycle of the evolution is achieved without impediment...
J. Henri Fabre 「More Hunting Wasps」
...maritimais monogamous, the pair-bond being maintained throughout a breeding cycle...
Glen E. Woolfenden 「Comparative Breeding Behavior of Ammospiza caudacuta and A. maritima」
...The regularly recurring events of thisgreat cycle, or rather series of cycles, soon stamp themselves evenon the dull mind of the savage...
Sir James George Frazer 「The Golden Bough」
...Whatever its origin may have been, the cycle of eight yearsappears to have coincided with the normal length of theking’s reign in other parts of Greece besides Sparta...
Sir James George Frazer 「The Golden Bough」
...Thespeed or slowness of his recognition of such periodic or cyclicchanges in nature will depend largely on the length of theparticular cycle...
Sir James George Frazer 「The Golden Bough」
...This gradualrevolution of the festal Egyptian cycle resulted from theemployment of a calendar year which neither corresponded exactly tothe solar year nor was periodically corrected by intercalation...
Sir James George Frazer 「The Golden Bough」
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