. Carnegie Institution of Washington publication. Analysis of Heterogeneity in the Population 299 In the first census of 1904 the population showed a condition not unlike some of those already encountered in the first two examined, namely, a large central mass grouped about the central biotype 7, and isolated groups of biotypes 1, 10, and 13 in both sexes. In the second generation in this season the distribution of the population showed about the same condition of the central mass of the 32 44 21. 31 ~r-.~m- m^- / / â 'â â 46 1488 Males. Total 3310. 19 77 1822 Females. â 141 318 â416 109 96 41
. Carnegie Institution of Washington publication. Analysis of Heterogeneity in the Population 299 In the first census of 1904 the population showed a condition not unlike some of those already encountered in the first two examined, namely, a large central mass grouped about the central biotype 7, and isolated groups of biotypes 1, 10, and 13 in both sexes. In the second generation in this season the distribution of the population showed about the same condition of the central mass of the 32 44 21. 31 ~r-.~m- m^- / / â 'â â 46 1488 Males. Total 3310. 19 77 1822 Females. â 141 318 â416 109 96 41 Fig. 101.âCensus of first annual generation at Puebla in 1904, showing condi- tion of the pronotal pattern and presence of several strongly marked isolated groups. Sl-pJUjir^ 29 X-^'^ 71 44 171 ^^ p^ 124 C^ ^___ 89 --^-^- jj)^ i^. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Carnegie Institution of Washington. Washington, Carnegie Institution of Washington
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