वेदों की प्राचीनता एवं काल-निर्णय / ओरायन (लोकमान्य बाल गंगाधर तिलक - खगोलीय वैदिक शोध)

GENERAL INDEX. 473
Dawn-theory, 3 ; its scope and ap-
plication, 240-242.
Day, longer than 24 hours in the
Arctic regions, 55 ; six-monthly,
in the Tâittirîya Brâhmaṇa, 70 ;
in the Avesta, 71 ; in Manu and
Mahâbhârata, 68, 69 ; originally
a real observation, 73; of the gods,
See, Night of the gods.
Day and Night, a dual deity in the
Vedas, 131 ; two such dual deities
135 ; diurnal changes in, over the
globe stated, 137; the existence of
two dual deities explainable only
on the Arctic theory, 137, 138.
Death, inauspiciousness of, in the
Dakshiṇâyana, 75 ; in winter in
the Parsi scriptures, 77, 273.
Debris, glacial, its action and ex-
tent 23.
December, the tenth and the last
month in the ancient Roman year,
its reason explained, 198, 395 ;
denotes an ancient Arctic year of
ten months, 200.
Deities, Vedic, pre-glacial in origin
and character, 433.
Deluge, the Avestic account of,
379 f; the story of, in the Shata-
patha Brâhmaṇa, 385 ; said to be
of water and not ice, 387 ; Greek
account of, 388 ; compared with
the Avestic, account 389 ; See
Glacial period.
Demeter, the mother-earth rejoicing
for six months in the presence of
Proserpine, 398.
Deukaliôn, saved from the deluge in
Greek mythology, 388.
Devayâna and Pitṛiyâna, originally
representing the two-fold division
of the year at the Pole, 73, 74 ;
the path of the gods, same as
the path of Mazda in the Avesta,
75 ; Vṛitra killed on the borders
of, 251.
Dhîtis, prayers, seven-fold and ten-
fold, 342.
Dîrghatamas, the legend of, in the
Mahâbhârata, 170 ; in the Ṛig-
Veda, id; saved by Ashvins, 171;
becoming decrepit in the tenth
yuga, 171 f; means the sun dis-
appearing after riding on aerial
waters for ten months, 177, 178;
a solar legend of Arctic origin,
178, 231, 256, 306, 319, 351.
Divine, years, the theory of, 423-
426 ; See, year.
Divishti, striving for the day, 246.
Divodâsa, the father of Sudâs, 345.
Dixit, the late Mr. S. B., on the
equinox in the Kṛittikâs, 44, 422.
Durga, a commentator on Yâska, 134.
Dvâdashâha, a twelve days' sacrifice,
how made up, 276.
Dvâpara, the third yuga in Purâṇic
mythology, duration and nature
of, 422-426.
Dvita, the Second, a brother of Tri-
ta, 334.
Dyotana, an enemy of Indra, 342.
EARTH, classification of stratified
rocks on the surface of, 11 ;
climate on, in early geological
times, 21 ; obliquity of its axis
producing seasons, id.; change in
the position of axis improbable,
25 ; diminishing heat of, 26 ;
eccentricity of its orbit producing
glacial periods, according to Dr.
Croll, 28, 29; Dr. Ball's estimate
of the average heat received by
each of its hemispheres, 32;
maximum value of the eccentri-
city of its orbit, 73; three-fold
in the Vedas and the Avesta, 260