64 



VARIATION IN I.^PTIN0TARSA. 



Table 4. — Direction and frequency of the fusion of the spots on the pronotum of 

 L. diver sa {Mexico), 100 individuals. 



Order of 

 frequency of 

 occurrence. 



Formulae showing color pattern. 



Individuals 

 showing 

 fusions. 



( 



a 



pm -\- am 



a' 



Per Cent. 



^ { 



\ '°° 



' 1 



a-\-b 

 pm 4- am 



[ 98 



» { 



d-{-e 

 d' -\-e' 



} 93 



< { 



d+e-\-f 

 d' + e' -{-f 



J '^^ 



' { 



a^b+d+e+f 

 pm -\- am, 



a' -\-b^ ^d^ ^ e' -\rf 



} " 



Tabi^ 5. — Direction and frequency of the fusion of the spots on the pronotum of 

 L. signaticollis {Mexico), 1,000 individuals. 



Order of 

 frequency of 

 occurrence. 



Formulae showing color pattern. 



Individuals 

 showing 

 fusions. 









Per cent. 



I 



{ 



a 



pm + am 



a^ 



1 



\ 100 



2 



{ 



a-\- b 

 pm, -\- am, 



a' -\- b' 



] 



\ 99 



3 



{ 



d-\-e 

 d' -\- e' 



} 7^ 



4 



{ 



d-\-e-\-f 

 d' + e^ +/' 



} ^' 



5 



- 



a-\-b^d^e^f 

 pm + din 



a' ^b' ^d' ^ e' ^f 



\ 40 







aJ^b^d + e+\^^ 



1 



6 





Pfn -\- am 







a' ^b^ + d^ + e^ + j/; 



1 

 J 





' 



a^^+'^+^ + j-^ 



1 



1 



7 



1 



pm 4- am 



a' ■\-b'^d^ ■\- e' ^\f' 



\ I 





I 



J 



111 the fusions of the spots indicated in table 5, a and d are united by a lateralward 

 extension of a and a medianward extension of d. (See plate 14, fig. 19.) The fusion is 

 indicated by the sign 1 1 1. 



