|2,500,000| 0·0721 | 338 36 | 28 32 | 33·5 | 841 | 44·2 | −5·2 | |2,490,000| 0·0722 | 7 36 | 29 0 | 33·6 | 841 | 44·3 | −5·3 | |2,480,000| 0·0662 | 35 46 | 28 10 | 30·8 | 850 | 41·7 | −2·7 | |2,470,000| 0·0553 | 63 26 | 27 40 | 25·7 | 868 | 36·6 | 2·4 | |2,460,000| 0·0410 | 89 13 | 25 47 | 19·1 | 892 | 30·0 | 9·0 | |2,450,000| 0·0252 | 109 33 | 20 20 | 11·7 | | | | +---------+------------+-----------+-----------+---------+---------+-----------+-----------+ TABLE III. ECCENTRICITY, LONGITUDE OF THE PERIHELION, &C., &C., FOR INTERVALS OF 10,000 YEARS, FROM 1,000,000 TO 750,000 YEARS AGO. THE GLACIAL EPOCH OF THE _Miocene period_ IS PROBABLY COMPREHENDED WITHIN THIS TABLE. +---------+------------+-----------+-----------+-------------------------------------------+ | I. | II. | III. | IV. | Winter occurring in aphelion. | | | | | +---------+---------+-----------+-----------+ | | | | | V. | VI. | VII. | VIII. | |Number of|Eccentricity|Longitude | Number of |Excess of|Midwinter|Number of | Midwinter | | years | of orbit. | of | degrees | winter |intensity|degrees by |temperature| | before | |perihelion.| passed | over | of the | which the | of Great | | A.D. | | |over by the| summer, | sun’s | midwinter | Britain. | | 1800. | | |perihelion.|in days. | heat. |temperature| | | | | | Motion | | Present |is lowered | | | | | |retrograde | |intensity| | | | | | |at periods | | =1000. | | | | | | | marked R. | | | | | +---------+------------+-----------+-----------+---------+---------+-----------+-----------+ | | | ° ′ | | | | | | |1,000,000| 0·0151 | 248 22 | ° ′ | | | F. | F. | | 990,000| 0·0224 | 313 50 | 65 28 | | | ° | ° | | 980,000| 0·0329 | 358 2 | 44 12 | 15·3 | 906 | 26·1 | 12·9 | | 970,000| 0·0441 | 32 40 | 34 38 | 20·5 | 887 | 31·5 | 7·5 | | 960,000| 0·0491 | 66 49 | 34 9 | 22·8 | 878 | 33·8 | 5·2 | | 950,000| 0·0517 | 97 51 | 31 2 | 24·0 | 874 | 35·0 | 4·0 |