PERENNIBRANCHIATA. 1 3 



ler, Owen, Holbrook, Baird, Rusconi; Pseudobranchus 

 intermedius, Gray. 



Color dark gray to brownish or bluish black; muz- 

 zle, lower jaw, and feet somewhat lighter; head long, 

 rounded; opercula of the gills usually fringed; trans- 

 verse folds present upon the sides, and similar to the cos- 

 tal folds of many Salamanders. 



Length eleven inches. 



Habitat Southern States. 



Le Conte (44 a) describes and figures as a separate 

 species under the name of Siren intermedia, an animal 

 which is probably only a variety of the lacertina. The 

 only difference from this to be detected by a careful read- 

 ing of his description is that it has the opercula of the 

 gills fleshy, undivided and not fimbriated. Its habits, 

 too, resemble both S. lacertina and S. striata, at times 

 burrowing in the earth like the former, and then at oth- 

 ers dwelling in mud and water like the latter. 



Siren striata, Le Conte, (44 b) 



Synonym, Pseudobranchus striatus, Gray. 



Body dark with a broad brown stripe on each side; 

 below dotted with dark white, and with two longitudi- 

 nal stripes paler than those higher up ; opercula trilobed ; 

 head triangular, with rounded apex; transverse folds up- 

 on the sides similar to those of the preceding species; 

 limbs slender; toes three. 



Length nine inches. 



Habitat Southern States. 



