LIST OF TEXT-FIGURES, 



1905.— Vol. I. 



1. Ventral view of skull of Uromastix spinipes 3 



2. Lateral view of the skull figured on p. 3 5 



3. Back view of the skull figured on p. 3 6 



4. Squamosal region in various Lizai'ds 8 



5. Lung of Chlainydosaurus, opened to show internal structure . . 10 



6. Lung of Physignathus^ opened to show internal structure 11 



7. Ventral view of liver of Iguana, to show relation of umbilical 



ligament 12 



8. Ventral view of liver of Physignathus , to show relation of 



umbilical ligament 13 



9. Hyoid of Chlainydosaurus 20 



10. Hyoid of Physignathiis 21 



11. Brain of Cynopithecus niger (dorsal aspect) 24 



12. The same Brain as that represented in text-fig. 11 (lateral 



aspect) 25 



13. Axis vertebra of Musk-Ox, from Brick-earths of the Thames at 



Plumstead 50 



14. Two views of skull of Musk-Ox, from near base of bed of gravel 



at Frampton-on-Severn, Gloucestershire 52 



15. Brain of Stnithio masaicus (ventral aspect), showing the principal 



branches of the arterial system 103 



16. Brain of Ara hyacinthina (ventral aspect), showing the principal 



branches of the arterial system 106 



17. Brain of Pelecanus fuscus (ventral aspect), showing the principal 



branches of the arterial system 108 



18. Brain of Spheniscus demersus (ventral aspect), showing the 



principal branches of the arterial system 110 



19. Brain of Tantalus ibis (ventral aspect), showing the principal 



branches of the arterial system 112 



