6 



Inheritance and Evolution in Ortlioptera II 



E.rpJaimtion of the Tables. Matings of the same kind are grouped. The J is ou the 

 left and the 2 on the right of the x , except when (R), which indicates a reciprocal, 

 is used. Beginning at the left, the (R), when used, equals a reciprocal ; the number in 

 heavy type (e.g. 3) is that of tlic mating; the next number, or numbers, indicate the 

 progeny; the last number, or numbers, in square type (e.g. 17) indicate the sources of 

 the parents, the <f being on the left and the ? on the right when two numbers are given; 

 (I in.) = from the cultures of the first instalment {Jnurncd of Genetics, Vol. in. p. 141); 

 (N).= from nature. The first line of totals gives the actual numbers and the second, in 

 italics, the expectation. 



11 1 1 39 



12 5 29 14 



Totals 6 



Expect. 9 



30 



37 



AB X AC 



AQ X BC 



I 



I 



AB AC BQ CQ 

 18 12 10 23 14 



Expect. 14-7 14-7 147 14-7 



AD X AD 



I 



I I i 



A A Al> DD 



157 14 



Totals 39 



Expect. 4U 



46 

 iU 



43 

 40 



32 



40 



19 



Expect. 



12 

 16-7 



55 N 



50-3 



