I don't know - I think the clutch size is somewhat related to age and mother size.

Way back in the 80s - I had one female lay 10 and another lay 5 - I did not breed either again after that.
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3.6 L. getula californiae - 16 eggs (Cal. King)
1.1 L. getula nigrita (MBK)
1.0 Pantherophis guttatus guttatus (Corn)
0.1 Pituophis catenifer catenifer (Pacific gopher)
3.3 Elgaria multicarinata multicarinata - 14 eggs (Cal. Alligator Lizard)