72 



ILLINOIS BIOLOGICAL MONOGRAPHS 



172 



EXPLANATION OF PLATE 



Fig. 1. Dorsal view of model of nasal capsule of Amblystoma punctatum 11 mm. long. 

 Fig. 2. Dorsal view of model of nasal capsule of Amblystoma punctatum 20 mm. long. 

 Fig. 3. Dorsal view of model of nasal capsule of Amblystoma punctatum 25 mm. long. 

 Fig. 4. Side view of model of nasal capsule of Amblystoma punctatum 25 mm. long. 

 Fig. 5. Dorsal view of model of nasal capsule of Amblystoma punctatum 34 mm. long. 

 Fig. 6. Ventral view of model of nasal capsule of Amblystoma punctatum 34 mm. long. 

 Fig. 7. Dorsal view of model of nasal capsule of Amblystoma punctatum 45 mm. long. 

 Fig. 8. Ventral view of model of nasal capsule of Amblystoma punctatum 45 mm. long. 



ce columna ethmoidalis 



cr t crista trabeculae 



ct cornu trabeculae 



fen n fenestra narina 



fni foramen nasalis intemus 



fo foramen olf actorius 



ins internasal space 



mni median nasal incisure 



pa processus antorbitalis 



pb planum basale 



pe pons ethmoidalis 



pt planum tectale 



pv planum verticale 



t trabecula 



