Analysis of Heterogeneity in the Population 



315 



I 



55 21 

 Total 3364. 1525 Females, 



46 92 



1839 Males. 

 Fig. 128. — First census at San Marcos in 1906. 



Fig. 

 pattern 



// ^\ 



33 56 21 92 



727 Males. Total 1566. 839 Females. 



129. — Second census at San Marcos in 1906, showing condition of pronotal 



-107 



Total 1559, 



40 41 

 707 Females. 



96 88 



Fig. 130. — First census at San Marcos in 1907, showing conditions in pronotal 

 pattern. 



40- -§mh 



65 -"^^i^ 



51 i^ 



17— - 



'^^^^'^, :, 



/ / 



106 





I 



^ 51 



11 17 12 



.9 



/ 



:4l^v ^, ^^ 



■39. ^jjjji^ "-WCS^- -- 141 



■^r^^ ^ ^f*^ <?C."^<^- .-H21i) 



44 58 



46 

 962 Males. Total 2256. 

 Fig. 131. — Second census at San Marcos in 1907, showing the pronotal pattern. 



/ / / 

 22 11 91 



1294 Females. 



