William Duellman – författare

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1. 

   Systematic Study of The Lizards of The Deppei Group (Genus Cnemidophorus) in Mexico and Guatemala

   Av William Duellman, John Wellman

   Häftad, 1960

   323 kr

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   Lizards of the genus Cnemidophorus long have been a thorn in the sides of herpetologists. Commonly known as whiptail lizards or racerunners, species in this genus occur in North, Central, and South America. Probably the most confusing thing about these lizards is the ontogenetic change in color …