6 4 



VARIATION IN I.EPTINOTARSA. 



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

 L. diver sa (Mexico), 100 individuals. 



Table 5. Direction and frequency of the fusion of the spots on the pronotum of 

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



In the fusions of the spots indicated in table 5, a and d are united by a lateral-ward 

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

 indicated by the sign 1 1 1. 



