A closer look at your pics tells me you might have two different species there. Interesting.

Here some links to help you ID them:
http://www.reptilesofaz.org/Lizards-...s-cowlesi.html

http://www.reptilesofaz.org/Lizards-...-virgatus.html

http://www.reptilesofaz.org/Lizards-...graciosus.html

Bart