STUDIES OF VARIATION IN INSECTS 289 



4 1 and o is a line (not a spot) ; i individual has an added spot 

 beyond 4*, and 2 1 -f 3 1 and 2 r + 3 r are confluent ; i individual 

 has an added spot beyond 4 1 , and 4% and 2 1 + 3 1 are confluent ; i 

 individual has an added spot beyond 4 1 , and 4% and lacks 3 r and 

 3 1 ; i individual has an added spot beyond 4 1 , and 4% and lacks 

 3 1 , 3 r and o ; i individual has an added spot beyond 4 1 , lacks 

 i r , and has 3 r -f 2 r confluent ; i individual has an added spot 

 beyond 4*, lacks 3% and has o a line ; 2 individuals have an 

 added spot beyond 4 1 , and lack 3 1 , 3', 2 1 and 2 r ; 2 individuals 

 have an added spot beyond 4% and lack 3 1 , 3% i 1 , i r and o ; i 

 individual has an added spot beyond 4 r and lacks 3 1 ; 2 individ- 

 uals have an added spot beyond 4 r and lack 3 1 and 3 r ; i indi- 

 vidual has an added spot beyond 4% and has 2 1 -f 3 1 confluent ; 

 i individual has an added spot beyond 4% and has 2 1 + 3 1 , and 

 2 r -f- 3 r confluent ; i individual has an added spot in front of i 1 

 and of 2 1 and lacks 3 1 and 3 r ; i individual has an added spot near 

 i 1 and lacks o ; 4 individuals have 2 r -f 3 r confluent ; 8 individuals 

 have 2 1 -f 3 1 confluent; 17 individuals have 2 1 -f 3 1 and 2 r -f 3 r 

 confluent ; 2 individuals have 2 r -f 3 r confluent and o a line ; 3 

 individuals have 3 1 -f 3 1 and 2 r -f 3 r confluent, and o a line ; 4 

 individuals have all spots present, o being a line ; 4 individuals 

 have 3 r lacking ; i individual has i r lacking ; 6 individuals 

 have 3 1 lacking; 22 individuals have 3 1 and 3 r lacking; 3 indi- 

 viduals have i 1 and i r lacking ; 8 individuals have 3 1 , 3 r and i r 

 lacking ; 5 individuals have 3 1 , 3 r and i 1 lacking ; 2 individuals 

 have 3 1 and i r lacking ; 2 individuals have i 1 , i r and 3 1 lacking ; 

 3 individuals have i 1 , i r and 3 r lacking ; 3 individuals have 3 1 , 

 3 r and o lacking ; i individual has 4*, 3 r and i r lacking ; i in- 

 dividual has 3 1 , 3 r , i 1 and o lacking ; i individual has i 1 , i r , 4 1 

 and 3 r lacking ; 4 individuals have i 1 , i r , 3 1 and o lacking ; 44 

 individuals have i 1 , i r , 3 1 and 3 r lacking ; 22 individuals have 

 jl i r > 3 1 * 3 r and o lacking ; i individual has i 1 , i r , 3 1 , 3% 4 r and o 

 lacking; i individual has i 1 , i r , 3 1 , 3*4!, and o lacking; i indi- 

 vidual has i r lacking and 2 r -f 3 r confluent ; i individual has i r 

 lacking and 2 1 -f 3 1 , 2 r + 3" confluent ; i individual has o lack- 

 ing and 2 1 + 3 1 , 2 r -f 3 r confluent ; i individual has i 1 lacking 

 and 2 r -f 3 r confluent; i individual has i 1 , i r and 3 1 lacking and 

 2 r + 3 r confluent ; i individual has 3 r and o lacking and 2 1 -f- 3 1 



