308 Illinois Slate Laboratory of Natural History. 



Hemidaotylium, Tschudi. 



Tschudi, Klass. Batr., 1838. pp. 59, 94. 



Ilolfaiann, Bronn's Thier-Reich. VI., Amphibien, p. 669. 



Cope, Proc. Acad. Nat. Sci. Fhila., 1869, p. 99. 



Fingers four, toes four. Tongue attached by a median 

 strip, free laterally and posteriorly. Palatine teeth interrupted 

 medially. Parasphenoid patches not in contact. Parietals 

 ossified, without fontanel. Two premaxillaries, embracing a 

 fontanel. 



But one species occurs within our limits. 



Hemidactylium scutatum, Schlegel. Four -toed Sala- 

 mander. 



Salamnndi'a scatata, Schlegel, Mus. Leyd. Abbildungen, 1837, 



pi. 40, fig. 4-6 (From Uope). 

 Hemidar.tylinin, sciitatiim, Jour. Acad. Nat. Sci. Fhila., 2d Ser., 



1849, p. 286. 

 Salaniandra nidanosticta, Gibbes, Bost. Jour. Nat. Hist., 1845, 



V. p. 89, pi. 10. 

 Besinoditctylns scutatiifi and D. m(danosticivs, Dum. et Bibr,, 



Erp. (Jen., 1854, IX., pp. 118, 119. 

 Hemidactylinin scutatum, Kenn., Trans. 111. State Agr. Soc, 



1853-54, 1., p. 593.— Cope, Proc. Aciid. Nat. Sci. Phila., 1869, 



p. 99. —Smith, Tailed Amphibians, 1877, p. 59.— Davis and 



Rice, Bull. 111. State Lab. Nat. Hist., I., No. .5, 1883, p. 12; 



Bull. Chicago Acad. Sci., 1883. 



Total length a1)0ut two and six tenths inches. Body cy- 

 lindrical. Head large; snout obtuse; neck contracted. Tail 

 cylindrical, a little more than twice the length of the body. 

 Legs weak, all with four digits. 



Color al)Ove ashy l)rown, with scattered l)lack spots. Snout 

 yellow. Legs and tail brownish orange. Entire under surface 

 silvery white, marked with jet black spots. 



Northern Illinois (Kennicott). 



Mr. Kennicott reports this species common in some local- 

 ities in northern Illinois. It is found under logs and is said to 

 be very alert in its movements. 



