36 BULLETIN 118, UNITED STATES NATIONAL MUSEUM. 



CEYLON. 



Step-brilliant, elliptical girdle; blue; 31.38 carats; 20 by 13 by 12 mm. 



The Shepard collection No. 1027 



Step-brilliant, elliptical girdle; blue (dichroic); 28.76 carats; 18 by 12 by 



15 mm. Isaac Lea collection No. 1 



Step-brilliant, rectangular girdle; blue-gray; 21.53 carats; 17 by 13.5 by 



10 mm. Isaac Lea collection No. 6 



Step-brilliant, rectangular girdle; pale blue; 11.33 carats; 12 by 13 by 8.5 



mm. Isaac Lea collection No. 7 



Step-brilliant, elliptical girdle; pale blue; 10.78 carats; 14 by 10 by 9 mm. 



Isaac Lea collection No. 5 



Step-brilliant, rectangular girdle; pale blue; 6.936 carats; 12 by 11 by 6 



mm. Isaac Lea collection No. 10 



Step-brilliant, elliptical girdle; deep blue; 6.595 carats; 14 by 10 by 4.5 



mm. Isaac Lea collection No. 4 



Step-brilliant, circular girdle; violet-blue ; 5.488 carats; 10 by 7 mm. Isaac 



Lea collection No. 8 



Step-brilliant, elliptical girdle; violet-blue; 5.275 carats; 11 by 9 by 7 mm. 



Isaac Lea collection No. 13 



Step-brilliant, oval girdle; pale blue; 4.526 carats; 10.5 by 8 by 6 mm. 



Isaac Lea collection No. 24 



Step-brilliant, square girdle; deep blue; 4.057 carats; 10 by 5 mm. Isaac 



Lea collection No. 15 



Step-brilliant, elliptical girdle (irregular); pale blue; 3.865 carats; 9 by 8 



by 7 mm. Bequest, William H. Forwood No. 1028 



Step-brilliant, elliptical girdle; pale green-blue; 3.27 carats; 10 by 8 by 5 



mm. Isaac Lea collection : No. 22 



Step-brilliant, oval girdle; blue; 2.96 carats; 8 by 7 by 6 mm. Isaac Lea 



collection No. 20 



Step-brilliant, square girdle; blue; 2.96 carats; 7 by 7 mm. Isaac Lea 



collection No. 32 



Step-brilliant, oval girdle; pale blue; 2.815 carats; 9 by 8 by 5 mm. Isaac 



Lea collection No. 19 



Step-brilliant, rectangular girdle; very pale blue; 2.645 carats; 10 by 8 by 



4.5 mm. Isaac Lea collection No. 17 



Step-brilliant, rectangular girdle; gray-blue; 2.44 carats; 7.25 by 6.5 by 6 



mm. Isaac Lea collection No. 34 



Step-brilliant, elliptical girdle; blue; 2.155 carats; 9 by 7 by 4 mm. Isaac 



Lea collection No. 23 



Step-brilliant, circular girdle; blue; 2.014 carats; 7 by 6 mm. Isaac Lea 



collection No. 28 



Step-brilliant, square girdle; pale blue; 1.66 carats; 7 by 4 mm. Isaac Lea 



collection No. 37 



Step-brilliant, square girdle; violet-blue; 1.62 carats; 6 by 5 mm. Isaac 



Lea collection No. 57 



Step-brilliant, elUptical girdle; blue; 1.614 carats; 8 by 6 by 3.5 mm. Isaac 



Lea collection No. 47 



Step-brilliant, elliptical girdle; pale violet-blue; 1.577 carats; 8 by 5 by 5 



mm. Isaac Lea collection No. 49 



Step-brilliant, circular girdle; blue; 1.536 carats; 7 by 4 mm. Isaac Lea 



collection No. 64 



Step-brilliant, elliptical girdle; blue-gray; 1.49 carats; 6 by 5 by 6 mm. 



Isaac Lea collection No. 40 



Step-brilliant, irregular oval girdle; colorless with blue streaks; 1.445 



carats; 6 by 6 by 5 mm . Isaac Lea collection No. 75 



