(23a-) 



Table VII. 

 Selection experiment 3, InUividual selection, based 

 on the character of the progeny. 



Generation 1, 5 (1.0) 



Generation 2. 5a (0.8) 5b (0.3) 5c (0.2) 



Generation 3. 



High serioG. 5al (1.5) 5a3 (0.0) 5a4 (1.0) 5a5 (0.0) 



Low Beries. 5cl (0.3) 5c2 (0.2) 5c5 (1.0) 



Generation 4, 



High series. 5ala (1.2) 5alc (O.O) Said (1.0) 



Low series. 5G2a (0.2) 5c2b (1.0) 5c2c (0.6) 5c2d (0.3) 



Generation 5. 



High series. 5alal(1.8) 5ala2(1.7) 5ala4(1.0) 5ala5(1.2) 



Low series. 5c2a2(0.2) 5c2ao(0.4) 5c2a5(0.6) 



Generation 6 and 



following generations. 



High series-56 individuals derived from oalal- 



average spine number 1.68 i .09 



Low Eeries-51 Individuals derived from 5c2a2- 



average spine number 0.22 ± .002 



Difference between high and low means 1.46 i ,085 



