PERIODICITY OF GOOD AND BAD SEASONS. 77 
You will observe that the interval between (4) and (5) is 
nineteen years, between (3) and (4) is six times nineteen years, 
between (2) and (3) thirty-six times nineteen years. 
For the convenience of having all the B.C. droughts together, 
we will bring forward from ‘“ Red Rains” the droughts which are 
therein found, and two from Roman and one Grecian history. 
First then the Roman 
(6) 493 B.C., drought at Rome, 2321 years before 1828 is in A 
series, interval is 19 x 122 +3. 
(7) 436 B.C., drought at Rome, thousands of persons threw 
themselves into the Tiber, to avoid death by starvation; 2,264 
years before 1828 is in A series, interval 19 x 119+3. 
(8) 138 B.C., a drought over the world 1,976 years before 1838, 
is therefore in D series, interval 199x104. It is worth 
mentioning that in India from 503 B.C. to 443 B.C. there 
was great drought and pestilence, and these dates are in the 
D series. 
(9) 503 B.C., great drought in India 2,341 years before 1838, 
interval 19x 12344. (D) 
(10) 443 B.C., end of great drought, 2,281 years before 1838, 
interval 19x 120+1. (D) 
RED RAINS. 
(11) 738 B.C., red rainin Rome 2,566 years before 1828, interval 
19x135+1. (A) 
(12) 652 B.C. red rain fell in Avis, 2,490 years, interval 
19x131+1. (D) 
(13) 650 B.C. 
(14) 648 B.C. 
(15) 626 B.C., red rain at Ceres 2,454 years before 1828, interval 
19x 129+3. (A) This rain was at the end of the drought. 
(16) 587 B.C., rained blood in the campagna 2,415 years before 
1828, interval 19x 127+2. (A) 
(17) 585 B.C., rained blood on one day in Rome 2,413 years 
before 1828, interval 19127. (A) The beginning of the 
same drought as No. 16. 
} parts of same drought as No. 12. (D) 
