Reptiles and Amphibians 'of Illinois. 373 



Four varieties have been described and are indicated below. 

 Three of them have been recorded from the State, and we may 

 look for the remaining o le. 



Variety platineum. 



Lead-colored, with many indistinct whitish spots or with 

 none. Eyelids with pale margins. More slender than the 

 variety j effersonianum. 



Belleville (spec, in Nat. Mas.). 



Variety fuscum. 



Dark brown, with a dark band along the sides. Length 

 from tip of snout to posterior end of anal slit, 2.25 ; from lat- 

 ter point to end of tail, 1.55. 



Not yet observed from Illinois. 



Variety laterals. 



Black, with large pale spots on the sides and small ones 

 beneath. Median series of palatine teeth convex forwards. 

 About half the size of variety j effersonianum. 



Northern Illinois (Davis and Rice). 



Variety j effersonianum. 



Gray or black, with or without small pale spots on the sides. 

 In fresh examples, with light blue spots on the sides. Length 

 about 5.50 



Southern Illinois (Ridgway). 



Amblystoma tigrinum, Green. Tiger Salamander. 



Salamandra tigrina, Green, Jour. Acad. Nat. Sci. Phila., 1825, 



v., p. 116. 

 Triton tigrinus, De Kay, Nat. Hist. N. Y., Rept. and Amph., 



1842, p. 83, p]. 15, fig. 32.— Holbr., N. A. Herp., I., Zool. III., 



1842, v., p. 79, pi. 26. 

 Amblystoma tigrina, iJaird, Jour. Acad, Nat. Sci. Phila., 2d Ser., 



1849, 1., p. 284. 

 Amblystoma tigrinum, Dum. et Bibr., Erp. Gen., 1854, IX., p. 108. 



Cope, Free. Acad. Nat. Sci. Phila., 167, p. 179.— Boulenger, 



Cat. Batr. Sal. in Coll. Brit Mus., 2d ed., 1882, Sal. Caudata, p. 



43.— Davis and Rice, Bull. 111. State Lab. Nat. Hist., I., 



No. 5, 1883. p. 10; Bull. Chicago Acad. Sci., 1883. 



