Table 1. Summary of all parameters, units, equations and results for the Comahue eggs (N = 65).

Parameters	Unit	Formula/Method	N. volans
α Equatorial radius	cm	data from observation	1.35
β Polar diameter	cm	data from observation	2.25
ε Angular eccentricity of elipse	-	ε = arccos (α/β)	0.93
As Egg surface area	cm2	As = 2 π+[α2+(αβε/sin (ε))]	33.57
V Egg volume	Cm3	V = (4/3)·π α2 β	17.18
ρ Egg density	g/cm3	Assumed from avian egg data	1.08
m Egg mass	g	m = ρ·V	19.96
GH2O Water vapor conductance	mgH2O/day·Torr	GH2O = 0.384·m0.814	4.39

Calculations in this table use formulae from [15].