12 
Cordylidae LEG) 2. (2) 
Gekkonidae Te AG) TO G13)) 
Iguanidae 9 (6) 14 (11) 
Lacertidae 2G) 2°01) 
Scincidae 13 P61 1) 41 (35) 
Teiidae SO) 2 (25) 
Varanidae eG) 6 (1) 
Xantusiidae eG) 2 C2) 
Serpentes 58 (33) 104 (65) 
Boidae 10 (7) 28 (24) 
Colubridae 25 (14) 36 (20) 
Elapidae 8 (3) 14 (7) 
Hydrophiidae TCO) es) 
Laticaudidae 1 Gi) Zaee ob) 
Leptotyphlopidae 17Gi) Pave ei by) 
Typhlopidae 2 (0) 2 (0) 
Viperidae 10D 19 (12) 
Rhynchocephalia 1G) LCi) 
Sphenodontidae Gy) sak Gel 
*Number in parentheses represents actual total when erroneous and uncertain 
accounts are deleted from analysis (see Tables I and II). 
TABLE IV 
Prevalence of maternal, paternal and biparental behavior in lepidosaurians 
Parent exhibiting Number* of Percent* of 
behavior species total 
Maternal only 193 (142) 92.0 (96) 
Paternal only 1A) 0.5 (0: 7) 
Biparental only (2) SSO MCD) 
Maternal and biparental 4 (1) 2-0 (O27) 
Paternal or maternal 22) PaO AVES) 
Sex of parent unknown 3 (0) 1.5 (0) 
*Number in parentheses represents actual value when erroneous and uncertain 
sources are deleted from analysis. 
