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