Plethodon. 



ERYTHRONOTUS. 



GLUTINOSUS. 



ORBQONENSrS. 



CKOCEATER. 



INTERMEDIUS. 



FUSOUS. 



NIGER. 



OCHROPIIJEUS. PERS1MILI8. 



( Above. 



Cinereous. 



Black. 



Brown. 



Black. 



Cinereous. 



Brown. 



Black. 



STellowish. Black. 



( Below. 



Light Marbled. 



Plumbeous. 



Yellow. 



Orange. 



Light Marbled. 



Marbled. 



Black. 



Dirty White. Plumbeous. 



1 Color. 



Ashy. 



Gray. 



Black. 



Orange. 



Ashy. 



Red. 



None. 



3rown. 



iray. 



Spots. ] 



( Shape. 



Speckled. 



Irregular. 



Minute Dots. 



Large. 



Speckled. 



Minute or None. 



None. 



Dots. 



Irregular. 



Dorsal Band. 



Red. 



None. 



None. 



None. 



Red. 



None 



None. 



Yellow. 



None. 



Muzzle. 



Truncate. 



Truncate. 



Truncate. 



Truncate. 



Truncate. 



Round. 



Round. 



Round. 



Truncate. 



| Vomerines medially. 



Distant. 



Distant. 



Approximated. 



Approximated. 



Distant. 



Few or None. 



Distant. 



Few or None. 





( Sphenoidal. 



Contiguous. 



Contiguous. 



Separate. 



Separate. 



Contiguous. 



Separate. 



Contiguous. 



Distant. 





Vertebrae. 



Amphiccelous. 



Amphiccelous. 



Amphiccelous. 



Amphiccelous. 



Amphiccelous. 



Opisthocoelous. 



Ophisthocoelous. 



Opisthocoelous. 





Costal Furrows. 



Sixteen & Nineteen. 



Fourteen. 



Ten & Eleven. 



Thirteen. 



Fourteen. 



Fourteen & Fifteen. 



Twelve. 



Fourteen. 





Digits. 



Palmate. 



Free. 



Free. 



Free. 



Nearly free 



Long and Free. 



Long and Free. 



Short and Free. 



Free. 



Plantar Tubercles. 



Indistinct. 



None. 



Two in front. 



None. 



Indistinct. 



None. 



None. 



None. 





Length. 



V/ 2 inches. 



i% inches. 



3 7-11 inches. 



6 inches. 



3.65 inches. 



3% inches. 



6 inches. 



3 inches. 





Width of Head. 



7-32 inch. 



% inch. 



i lines. 



6% lines. 



3 lines. 



3M lines. 



5 lines. 



1-5 inch. 





Habitat. 



U. S. east of the Miss. 



U. S. east of the Miss. 



Oregon. 



Lower California. 



Vancouver Is. to L. Cal. 



TJ. S. east of the Miss. 



U.S. east of the Miss. 



Pennsylvania. 



Siam. 



