The name is absent

27

period was related with stature variation (F-statistic: Soldiers: 13.68, p=.0000; Prisoners:
32.07, p=.0000), indicating that birth-period was significantly related with stature, and
the omission of birth-period variables does not influence other variable interactions with
stature.

White statures varied regionally, and Southern whites were taller than Northern
whites. Part of the Southern stature advantage was also related to Southern agriculture.
The 19^th century opening of the New South to agriculture increased Southwestern
agricultural productivity, which was higher than elsewhere within the US (Margo and
Steckel, 1983, pp. 169-170; Steckel and Haurin, 1994, pp. 125-127). Nativity omission
effects on restricted model coefficients are similar between soldiers and prisoners. A
joint test on nativity for both soldiers and prisoners downwardly biases the relationship
between being a insolation and stature (F-Statistic, Soldiers: 8.73, p=.0000; Prisoners: F-
Statistic, 69.01, p=.0000).

IV. Conclusion

This paper uses two large independently collected samples of European-American
soldiers and prisoners to test how white statures varied by insolation for two different
socioeconomic groups. Three observations are observed and are consistent with the
existing literature. First, white Civil War recruits and prisoners came to about the same
statures; however, this result must be interpreted with caution. While soldiers came from
the agricultural class, prisoners were from the South and benefited from greater
agricultural productivity; the South also receives more insolation. Second, soldier and
prisoner statures were related with insolation in remarkably similar ways. White soldier
and prisoner statures increased with insolation at a decreasing rate, and the threshold

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