286 PROFESSOR MILLER, ON SPURIOUS RAINBOWS. 



Obs. Theory. 



(40'- 20 42 . 15) 



rad. primary 41 . 51,4 41 . 45,4 



rad. 1st dark ring 41 . 7 



rad. 2nd dark ring 40 .16 40 . 14,4 



(7T + 2\^ - 6\f,' 50 . 34) 



rad. secondary ... 51 . 25 51 . 27,5 

 (Z>) 



rad. 1st dark ring 52 . 37 



rad. 2nd dark ring 54 . 7 54 . 12 



(40'-20 41 . 50,4) 



rad. primary 41 . 27,7 41 . 24,7 



rad. 1st dark ring 40 . 51,4 



rad. 2nd dark ring 40 .4,4 40 . 5,7 



(tt + 2\|/ - 6\|/' 51 . 19,2) 



rad. secondary ... 51 . 57 52 . 5,3 



rad. 1st dark ring 53 . 5 



rad. 2nd dark ring 54 . 27,6 54 . 27 



(40'-20 41.52? 41.49?) 



rad. primary 41 .20 41 . 18 41 . 15 



rad. 1st dark ring 40 . S3 



rad. 2nd dark ring 39 . 29 39 . 32 39 . 31 



(tt + 2\// - 6^' ... 51 . 17,5? 51 . 23,3?) 



rad. secondary ... 52 .16 52 . 18,5 52 . 21 



rad. 1st dark ring 53 . 37,4 



rad. 2nd dark ring 55 . 31,3 55 . 26 55 . 21 



W. H. MILLER. 



St. John's College, 

 Bee. 14, 1840. 



