306 BATRACHIA APODA. 
some roughnesses of the bone which may be taken as indicating a tendency towards 
tooth-formation. 
2. Dermophis gracilior, sp.n. (Tab. LX XVI. fig. B.) 
Hab. Panama, Chiriqui (Champion). 
Habit moderate, the circumference of the body being nearly one-sixth of its length. 
Snout with rounded margin, projecting, shorter than the distance between the eyes. 
Tentacle very little nearer to the eye than to the nostril. No teeth within the mandi- 
bulary main series, which is composed of 26 teeth. 162 circular folds, of which the 
40 anterior and 22 posterior are complete; from about the fortieth anterior annulus a 
secondary series of incomplete folds interrupted on the abdomen makes its appearance, - 
the folds gradually approaching the median line of the abdomen until, towards the end 
of the body, they become complete and indistinguishable from the folds of the main 
series. Plumbeous above, paler or whitish below, the annuli not marked with black. 
Totallength 2. 2. 1. 1. 1. 6 we ee ee es . 334 millim. 
Circumference of body . . . 2. 6 ee © ee ee 88s 
CECILIA. 
Cecilia (L.), Wagl. Syst. Amph. p. 198; Peters, MB. Akad. Wiss. Berlin, 1879, p. 934. 
Eyes distinct or hidden under the skin ; tentacle valvular, in a horseshoe-shaped pit, 
below the nostril; rudimentary scales imbedded in the skin; a few teeth in the 
mandible behind the main series. 
1. Cecilia isthmica. 
Cecilia rostrata, Giinth. P. Z.S. 1859, p. 417 (nec Cuv.). 
Cecilia isthmica, Cope, Proc. Am. Phil. Soc. xvii. p. 91 (1877) ; Bouleng. Batr. Grad. p. 94, t. 6. 
fig. 1. 
Cecilia guentheri, Peters, MB. Akad. Wiss. Berlin, 1879, p. 936. 
Hab. Pawama, Isthmus of Darien, eastern side (Cope).—W. ECUADOR. 
Habit moderately stout, the circumference of the body being about one-tenth of its 
length. Snout subtruncated, very prominent, shorter than the distance between the 
eyes. Eyes distinct. 124-142 circular folds, interrupted on the back and belly, the 
last 16 or 18 being complete. ‘lwo teeth behind the main series of the mandible, near 
the symphysis. Plumbeous, paler below. 
Totallength, . . . - es ee + + + + + + 610 millim.* 
Circumference of body . . . . . +. + +--+ + 60° ;, 
* 660 millim., in Cat. Batr. Grad. (1882) p. 94, seems to be a misprint. 
