...During the vernal migration, indeed, Ihave more than once heard it sing in eastern Massachusetts...
Bradford Torrey 「The Foot-path Way」
...Ten or twelve years ago, when I was bird-gazingin Boston, there were sometimes a hundred robins at once aboutthe Common and Garden, in the time of the vernal migration...
Bradford Torrey 「The Foot-path Way」
...A few years of note-taking will put one in possession ofthe approximate dates of arrival of all our common vernal migrants...
Bradford Torrey 「The Foot-path Way」
...N Vernal, Uinta Mts...
James S. Findley 「Speciation of the Wandering Shrew」
...N Vernal, 10,050 ft...
John A. White 「The Baculum in the Chipmunks of Western North America」
...The main features of the midsummer fire-festival resemble thosewhich we have found to characterise the vernal festivals of fire...
Sir James George Frazer 「The Golden Bough」
...The Right Ascension of a star is the angle included betweenits hour circle and the hour circle of a certain pointon the equator which is called the Vernal Equinox...
George C. Comstock 「A Text-Book of Astronomy」
...It is defined as the time included betweentwo successive passages of the sun through the vernal equinox, hence itis also called the equinoctial year...
E. Walter Maunder 「The Astronomy of the Bible」
...In the straight line represents the directionfrom the sun toward the vernal equinox, and the anglewhich this line makes with the line joining earth and sun iscalled the earth's longitude...
George C. Comstock 「A Text-Book of Astronomy」
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