3. American bullfrog AP, light micrograph 4. Ascaphus truei AP 5. Leiopelma hochstetteri AP 7. Pipa pipa AP 8. Alytes obstetricans AP back to page 1 of comparative morphology  

Scanning electron micrograph of the ceiling of the AP chamber of Bombina orientalis, the oriental fire-bellied toad. The arrowhead points to the tectorial corner.

Last updated 01/22/09