74 ILLINOIS BIOLOGICAL MONOGRAPHS [74 
EXPLANATION OF PLATE 
Fig. 9.—Dorsal view of model of nasal capsule of Amblystoma 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 Diemictylus viridescens 38 mm. long. 
¢ cupola fo foramen olfactorius 
co cavum cranii fon foramen orbito-nasalis 
ce columna ethmoidalis ins internasal space 
cep cephalic process le lamina externa 
cp caudal process lm lamina medialis 
ct cornu trabeculae pa _ processus antorbitalis 
cn external naris pb planum basale 
fen eth fenestra ethmoidalis pnp prenasal process 
fenic fenestra infra-conchalis pt  planum tectale 
June foramen nasalis externus fo — planum verticale 
tni foramen nasalis internus 
