Smithsonian Report. lilBO. -Bl«ke»lc 



Plate 5 



-mt,.. 



2 2 2 



W 



18 18 

 •1 n> 



^1 



'i^.M/ 



IfJ' J^ 



2 2 2 



i 







1818 



it? 



??^ !^ 



12 2 



I 



I_8l8 



S? 



1 pper row capsules Mi.ldle row, drawings of chromosomes as seen under the microscore. Lower 

 row. nwdels of the L and m chromosomes of a primary (2n+l) type and its two secondaries. A is 

 ine pnmary Kolle<l with the 1 • 2 chromosome extra; H is its secondary "Sugarbaf " with the ''•2 

 chromosome oxfrn; C is f he secondarj- "rolyririiic" witli tin' i-i chromosome e.xtra 



