OO CADL'CIBRANCHrATA. 



linement they rarely leave the water in the daytime, but 

 usually do so at night. 



Green's description 19. c) of Proteus neo Caesarien- 

 sis gives the characteristics of the young, and is as fol- 

 lows: *• Cauda mediocri et compressa forma pinnae, cor- 

 pore albido. 



Length between four and rive inches: tail as long as 

 the body, tapering and forming a tin: tongue short, 

 round, adhering to the lower jaw and having a cartilao-- 

 inousedge; branchiae persistent; eyes very small; nos- 

 trils invisible; back dirty white, with small dots, margin- 

 ed with a narrow red line, commencing at the fore shoul- 

 der and terminating at the posterior legs, beneath whit- 

 ish : posterior feet live-toed, anterior four-toed." 



5 Spelerpes chiropterus, Cope. 



Svnonvm. Spelerpes orculus, Cope. 



Color above brown or black, paler along the verte- 

 bral line, but not forming a longitudinal band; beneath 

 dirty white : head oval : muzzle truncate ; vomerine teeth 

 forming an arch not contiguous with the sphenoidal 

 groups: gular fold distinct; costal furrows eleven or 

 twelve ; limbs moderate ; digits short, depressed, free, in- 

 ner represented only by a wing-like rudiment; tail com- 

 pressed, flat above, sometimes cylindrical at base, but 



