CLASS AMPHIBIA 



485 



Flethopsis wrighti (1 species). Oregon. 



Batrachoseps (2 species). The worm salamander. Both species on the 



Pacific. 

 Ensatina (3 species). All on the Pacific Coast. 

 Aneides (4 species). On Pacific Coast and in southeastern states. 

 Eydromantes platycephalus (1 species). Yosemite salamander. 



Suborder Proteida 



Family Proteidae (with external gills and 2 pairs of limbs) 



Necturus. According to a recent revision of the genus by Mr, Percy Viosca, 

 of New Orleans, describing two new species from Alabama and two new 

 species from Louisiana, the number of species in the U. S. is increased 

 from three to seven. The common large Necturus from the Great Lakes 

 region is N. maculosus; the species which seems to be the most common 

 in southern states is N. heyeri Viosca, which extends into Texas. 



Suborder Meantes 



Family Sirenidae (with external gills, without hind limbs) 



Siren (2 species). Eastern Virginia to Texas. Both S. lacertina and S. 

 intermedia are found in the Southwest. 

 ' Pseudobranchus striatus (1 species). South Carolina to Florida. 



Order Salientia (Anura) (Tailless Amphibians) 



Suborder Amphicoela 

 Family Liopelmidae 



Ascaphus truei (1 species). Washington and a few other points on the 

 Pacific Coast. 



Suborder Anomocoela 



Family Pelobatidae (Spadefoots) 



Scaphiopus (5 species). One species in the East, one each in Florida and 

 California; four species in the Southwest. These are the spadefoot toads, 

 the pupils of whose eyes are vertical when in daylight. 



Suborder Procoela 



Family Bufonidae (Toads) 

 Bufo (17 species). Species of Bufo are distributed over the entire United 

 States. Among common species in the Southwest are B. cognatus, B. com- 

 pactilis, B. debilis, B. insidior, B. marinus, B. fowleri, B. punctatus, B. 

 valliceps, and B. woodhousii. 

 Family Leptodactylidae (Robber Frogs) 



Leptodactylus labialis (1 species). Found only in Texas. 



Eleutherodactylus (3 species). One species in Texas (Texas cliff frog), one 



species in Arizona, one species in Florida. 

 Syrrhophus (2 species). Both species limited to Texas. 

 Family Hylidae (Tree Frogs) 



Acris gryllus (1 species). The cricket frog, widespread throughout eastern 

 and central United States, including the Southwest. 



