COLOR PATTERN OF PRONOTUM. 



67 



TabIvE 10. — Direction and frequency of fusion of the spots on the pronotum in L. decem- 

 lineata {United States and Canada), 6,200 individuals. 



Order of 

 frequency of 

 occurrence. 



Formulae showing color pattern. 



pm, 4- (^^ 

 a' 



a 

 pni -4- , am, 



a' 



a 



pm -\- am 



a' 



a-^d 

 pm 4- cim 



a' -\-y 



a -\- e 

 d' -{■€' 



a + b + c-\-e^f 

 pm + am 



a' -\- b' -{- d' ^ e' +/' 



. + 



pm -f- am 



Individuals 

 showing 

 fusion. 



Remarks. 



Per cent. 



27 



16 



26 



In the fusions of 



the spots indicated 



in 8, a and d are 



j united by a lateral- 



! ward extension of a 



! and a medianward 



extension of d, 



i which is indicated 



i intheformulabythe 



' sign I 1 u 



05 



Tabi^E II. — Direction and frequency of the fusion of the spots on the pronotum in 

 L. juncta {United States), 200 individuals. 



Order of 

 frequency of 

 occurrence. 



Formulae showing color pattern. 



Individuals 

 showing 

 fusions. 



■ { 

 • { 



3 



' { 



r 



5 { 



a 

 pm, 4- am 

 a^ 



a 



pm, -f , am 



a^ 



a 



pm 4- am 



a' 



a-^b 

 pm 4- am 

 a'-\-y 



d^e 

 d' ■\-e^ 



Per cent. 



} ' 

 } ' 



! ' 



! • 

 } ■ 



