10 
Fic. 8—Thin section through hailstone 57.50 under polarized ight; diameter, 5.0 em 
Fic. 9—Center of hailstone 57.A under polarized light; diameter of the center, 2.2 em; large single 
crystals surrounded by smaller ones 
Fre. 10—Thin section of hailstone 57.10, under polarized light; diameter, 4.1 em 
Fic. 11—Thin section of hailstone 59.1, under polarized light; diameter, 4.0 em 
