CADUCIBRANCHIATA. 69 



habitat also is quite different, but on the whole I am 

 disposed to consider it a variety of that species. 



Habitat Vancouver's Island and Lower California. 



6. Plethodon fuscus. 



Synonyms, Salamandra picta, Harlan, Storer, De Kay; 

 Salamandra intermixta, Green; Salamandra quadramat- 

 ulata, Holbrook ; Triturus fuscus, Rafinesque ; Desmog- 

 nathus fusca, Baird, Cope ; Salamandra auriculata, 

 Hallowell, Gray, Baird; Cylindrosoma auriculatum, Dum- 

 eril and Bibron; Salamandra Haldemani ? Holbrook; 

 Spelerpes Haldemani ? Hallowell. 



Color brown marbled with pink ; vertebral region not 

 so dark ; laterally and ventrally still lighter, sometimes 

 yellowish or very light orange, but generally brown 

 and white marbled ; chin and gular region almost white ; 

 head very much depressed; muzzle round, not truncate f 

 parasphenoidal teeth not contiguous ; vomerines few in 

 a row on each side, often wanting ; eyes prominent ; dor- 

 sal longitudinal furrow present ; cervical fold, postorbital 

 and parotid grooves well marked ; costal furrows 13 to 

 15, usually 14; limbs small; toes long and slender ; ver- 

 tebras opisthocoelous ; tail compressed, carinate above, 

 sometimes terminating in a fin, but usually pointed. 

 Length t>% inches. Head to cervical fold y 2 inch. 



Tail 1 Y% " Breadth of head 5-16 " 



