40 DUNN — MUTANDA HERPETOLOGICA [ P Voi E VIII 



Manadus Cope (Proc. Acad. Nat. Sei. Phila., 1869, p. 101, 

 type Salamandra quadridigitata Holbrook) cannot be maintained 

 as distinct from Eurycea Rafinesque (Kentucky Gazette, Lexing- 

 ton, N. S., vol. 1, no. 9, Feb. 28, 1822, p. 3, col. 6, type E. luci- 

 fuga Rafinesque). The two forms hitherto referred to Manadus 

 should stand as Eurycea quadridigitata quadridigitata (Holbrook) 

 and Eurycea quadridigitata remifera (Cope) . 



The animal described by Camp as Spelerpes platycephalus 

 (Univ. California Publ. in Zool., vol. 17, 1916, p. 11) is congeneric 

 with Salamandra genei Schlegel (Fauna Japonica, Rept., 1838, 

 p. 115), which is the type of Hydromantes Gistel (Naturge- 

 schichte, 1848, p. XI). 



The synonomy of this genus is as follows : 

 Hydromantes Gistel. 



1837 Geotriton Bonaparte, Fauna Italica, fasc. 19; type 

 Geotriton fuscus Bonaparte (not Geotriton Bonaparte, 

 1832, Fauna Italica, fasc. 1; type Salamandra exigua 

 Laurent i). 



1838 Geotriton Tschudi, Mem. Soc. Sci. Nat. Neuchatel, 

 1838, p. 59; type Salamandra genei Schlegel. 



1848 Hydromantes Gistel, loc. cit. (substituted for Geotriton 

 Tschudi). 

 It includes the following species : 

 Hydromantes genei (Schlegel). 



Salamandra genei Schlegel, Fauna Japonica, Rept., 1838, 

 p. 115. 

 Hydromantes platycephalus (Camp) . 



Spelerpes platycephalus Camp., Univ. Calif. Publ. in Zool., 

 vol. 17, 1916, p. 11. 

 Hydromantes italicus nom. no v. 



Geotriton fuscus Bonaparte, 1837, Fauna Italica, fasc. 19, 

 (not Salamandra fusca Laurenti, 1788, Syn. Rept., 

 p. 42). 



I wish to express my thanks to Dr. Leonhard Stejneger for help 

 with the synonomy of Hydromantes. 



