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ILLINOIS BIOLOGICAL MONOGRAPHS 



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EXPLANATION OF PLATE 



Fig. 9. — Dorsal view of model of nasal capsule of A mblystoma punctatum 55 mm. long. 



Fig. 10. — Dorsal view of model of nasal capsule of Amblystoma punctatum at the end of meta- 

 morphosis. 



Fig. 11. — Dorsal view of model of nasal capsule of Salamandra maculata 25 mm. long. 



Fig. 12. — Dorsal view of model of nasal capsule of Salamandra maculata 38 mm. long. 



Fig. 13. — Dorsal view of model of nasal capsule of Salamandra maculata at the end of meta- 

 morphosis. 



Fig. 14. — Dorsal view of model of nasal capsule of Ditmictylus viridescens 38 mm. long. 



