List of Illustrations 



FIGURES 



1 . "The phylogeny and relationships of North American iguanid genera," after Mittleman 

 (1942), 6 



2. "Grouping and possible phylogeny of the genera of iguanids occurring in the United 

 States," after H. M. Smith (1946), 7 



3. "Phylogenetic relationships of the Madagascar Iguanidae and the genera of iguanine 

 Hzards," after Avery and Tanner (1971), 9 



4. Etheridge's phylogeny of the Iguanidae, 1 1 



5. Skull of Brae hy lop hus vitiensis, 22 



6. Skull and mandible of Brae hy lop hus vitiensis, 23 



7. Posteroventral views of iguanine premaxillae, 24 



8. Dorsal views of the preorbital portions of iguanine skulls, 25 



9. Dorsal views of the skulls of Cyclura cornuta and Sauromaliis obesus, 11 



10. Posterodorsal views of the anterior orbital regions oi Brachylophus fasciatm and 

 Conolophus pallidus, 28 



11. Dorsal view of the skull of Amblyrhynchus cristatus, 29 



12. Ventral views of iguanine frontals, 31 



13. Dorsal views of the parietals in an ontogenetic series of Iguana iguana, 34 



14. Lateral view of the skull of Ctenosaura similis, 36 



15. Lateral views of the posterolateral comers of iguanine skulls, 38 



16. Posterodorsal views of disarticulated right palatines of Iguana delicatissima and 

 Conolophus subcristatus, 40 



17. Posterodorsal views of the right orbits of five iguanines and Morunasaurus annularis, 

 41 



18. Ventral view of the skull of Iguana delicatissima, 43 



19. Anterolateral views of the left orbitosphenoids in an ontogenetic series of Iguana 

 iguana, 45 



20. Ventral views of the posterior portion of the palate and anterior portion of the braincase 

 of Sauromalus varius and Amblyrhynchus cristatus, 46 



21. Ventral views of iguanine neurocrania, 47 



22. Lateral views of the right mandibles of Iguana delicatissima and Amblyrhynchus 

 cristatus, 50 



23. Lingual views of the left mandibles of three iguanines, 51 



24. Lateral views of the right mandibles of Conolophus pallidus and Cyclura cornuta, 52 



vu 



