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ILLINOIS BIOLOGICAL MONOGRAPHS 



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EXPLANATION OF PLATE 



Fig. 1. — Dorsal view of model of nasal capsule 

 Fig. 2. — Dorsal view of model of nasal capsule 

 Fig. 3. — Dorsal view of model of nasal capsule 

 Fig. 4. — Side view of model of nasal capsule of 

 Fig. 5. — Dorsal view of model of nasal capsule 

 Fig. 6. — Ventral view of model of nasal capsule 

 Fig. 7. — Dorsal view of model of nasal capsule 

 Fig. 8. — Ventral view of model of nasal capsule 



ce columna ethmoidals 



cr t crista trabeculae 



ct cornu trabeculae 



jen n fenestra narina 



jni foramen nasalis internus 



jo foramen olfactorius 



ins internasal space 



of Amblystoma punctatum 

 of Amblystoma punctatum 

 of Amblystoma punctatum 

 Amblystoma punctatum 25 

 of Amblystoma punctatum 

 of Amblystoma punctatum 

 of Amblystoma punctatum 

 of A mblystoma punctatum 



11 mm. long. 

 20 mm. long. 

 25 mm. long, 

 mm. long. 

 34 mm. long. 

 34 mm. long. 

 45 mm. long. 

 45 mm. long. 



tnni median nasal incisure 



pa processus antorbitalis 



pb planum basale 



pe pons ethmoidalis 



pt planum tectale 



pv planum verticale 



t trabecula 



