1889.] Variability in condensing Swarms of Meteorites. 417 



Duner's No. 

 169 

 179 

 180 

 187 

 250 

 282 

 138 



Colour. 

 2'4 

 2-4 

 2-4 

 2-4 

 4-2 

 0-6 

 2-4 

 Mean 2'5. 



Species 15. 41 

 50 

 96 

 101 

 136 

 139 

 147 



2-4 

 4-2 

 2-4 

 24 

 4-2 

 2-4 

 0-6 



Species 15. 190 

 226 

 235 

 265 

 279 



4-2 

 2-4 

 2-4 

 2-4 

 2-4 

 Mean 2' 7. 



We thus get the following colour-numbers corresponding to the 

 fifteen species : — 



Sp< 



;cies. 



Mean colour-number. 



1 (1 star) (?) 



4-2 



2 (5 stars) 



3-1 



3 (8 



55 / 



2-4 



4 (3 



?» / 



1-8 



5 (8 



5 J / 



2-85 



6 (24 



55 ) 



2-9 



7 (15 



55 ) 



3-6 



8 (23 



55 / 



2-9 



9 (30 



55 / 



3-9 



10 (13 



5 ' ) 



5-0 



11 (18 



55 / 



2-7 



12 (14 



55 ) 



2-5 



13 (45 



55 J 



2-4 



14 (17 



5' / 



2-5 



15 (12 



55 / 



2-7 



2 f 2 



