72 ILLINOIS BIOLOGICAL MONOGRAPHS 
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 mni median nasal incisure 
ort  crista trabeculae pa processus antorbitalis 
ca cornu trabeculae pb planum basale 
fenn fenestra narina pe pons ethmoidalis 
{ni _ foramen nasalis internus pt planum tectale 
fo foramen olfactorius fo  planum verticale 
ins  internasal space t trabecula 
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