AMPHIBIANS 



i6i 



sides; length iii mm.; tail 64 mm.; costal grooves 19; leg spanning 3 

 costal folds; parasphenoid and vomerine teeth in i patch each: Pacific 

 slope west of the Coast Range from Oregon to Lower Cahfornia; very 

 common. 



B. pacijlcus (Cope). Body elongate, brown above, yellowish 

 beneath; length 70 mm.;'tail 37 mm.; costal grooves 18; leg spanning 6 

 costal folds; inner digits of both pairs of legs rudimentary: islands off 

 Californian coast. _J 



Fig. 76.- — Roof of mouth of Gyrinophilus 

 porphyriticus: i, inner nares; 2, vomerine 

 teeth; 3, parasphenoid teeth (from Cope). 



Fig. 77. — Head of Pseudolriton, showing 

 the tongue (after Hurler). 



B. major Camp. Body large, pale in color, light yellowish beneath; 

 costal folds 18; length 134 mm.; tail 74 mm.: southern California; 

 terrestrial. 



8. Stereochilus Cope. Tongue attached at its anterior margin; 

 vomerine teeth confluent with parasphenoid teeth; i premaxillary : i 

 species. 



S. marginatus (Hallowell). Body slender, yellowish brown in color, 

 with numerous brown lines along the sides; belly yellow, specked with 

 brown; length 79 mm.; tail 35 mm.; costal grooves 17; tail compressed: 

 Dismal Swamp to Georgia; aquatic. 



9. Typhlotriton Stejneger. Body of medium size; tongue attached 

 anteriorly; eyes concealed under the skin: i species. 



T. spelcBiis Stej. Body white, 120 mm. long; costal grooves 16: in 

 caves in Missouri. 



10. Tjrphlomolge Stejneger. Body elongate, with very long legs 

 and persistent gills; eyes concealed under the skin: i species. 



T. rathbuni Stej. Body white, and with the general structure of a 

 sexually mature Eurycea larva; length 102 mm.; length of legs 20 mm.: 

 in wells in San Marcos, Texas. 



