80 



JLUNOIS BIOLOGICAL MONOGRAPHS 



180 



EXPLANATION OF PLATE 



Fig. 28. — ^Dorsal view of model of nasal capsule of Necturus mactdatus 45 mm. long. 

 Fig. 29. — Dorsal view of model of nasal capsule of a young larva of Ampkiuma means. 

 Fig. 30. — Ventral view of model of nasal capsule of an older larva oi Ampkiuma means. 

 Fig. 31. — Doisal view of model of nasal capsule of Ampkiuma means 82 mm. long. 

 Fig. 32. — Dorsal view of model of nasal capsule of a young larva of Epicrium glutinosum. 

 Fig. 33. — Dorsal view of model of nasal capsule of Epicrium glutinosum 90 mm. long. 



