Thermoregulation: Barber, 1977; Barber and Crawford, 1977 and 1979; 
Berk and Heath, 1975a and b; Brattstrom, 1970; Cannon and Kluger 1985; 
Cowles, 1958; DeWitt, 1963, 1967, 1971; DeWitt et al, 1967; Dupre, 1984; 
Dupre and Crawford, 1985b; Fletcher, 1973; Heatwole, 1970; Kemp, 1969 and 
1972; Kluger et al, 1973; Norris, 1967; Pianka, 1971; Porter et al., 1973; 
Richardson and Brown, 1975; Saint-Girons and Saint-Girons, 1956; 
Schmidt-Nielson, 1964; Tempeton, 1970 and 1971; Weathers, 1969a and b, 1970 
and 1971; Withers and Campbell, 1985. 
Type material: Cochran, 1961; Peters, 1952; Slevin and Leviton, 1956; 
Smith, 1950; Smith et al, 1964. 
Vision: Peterson, 1976; Tauber and Atkins, 1968. 
Water relations: Chew and Damman, 1961; Dupre, 1984; Dupre and 
Crawford, 1985a and b and 1986; Kaufmann and Pough, 1982; Maderson et al, 
1978; Minnich, 1970a and b and 1976a; Minnich and Shoemaker, 1970; Munsey, 
1972; Murrish and Schmidt-Nielson, 1970a and b; Muth 1980a and b; Norris, 
1953; Packard et al, 1982; Schmidt-Nielson, 1964; Schmidt-Nielson et al, 
1963; Templeton, 1960; Templeton et al, 1972a and b. 
