340 RANIDJC. 



cresfc very convex, deeper than tlie lower, aud ex- 

 tending upon the back as far as the level of the 

 spiraculum. 



Beak broadly edged with black, usually with a 

 black tubercle or knob in the middle of the basal part 

 of the upper mandible, which may be accompanied 

 by a smaller one on each side. Usually two series of 

 papilke bordering the lower lip. Labial teeth in 

 f series, the second and third upper short and widely 

 separated in the middle, the first lower short, the 

 three others nearly twice as long and uninterrupted, 

 or the fourth very narrowly interrupted in the middle. 

 Very distinct lines of crypts on the head and body. 

 One of these forms a hoop, the ends of which approach 

 on the upper lip, passing above the nostril and bor- 

 dering the eye above and below ; another begins 

 behind the eye and bifurcates, the upper branch 

 extending to the upper caudal crest, the lower to the 

 middle of the muscular portion of the tail ; a small 

 branch may descend on each side at a short distance 

 behind the eye, forming a sigmoid curve ; another 

 curved line on each side, bordering the spiraculum 

 above (see Fig. 46, p. 104). 



Pale brown or rufous above, with dark brown 

 spots; sides with roundish golden spots between a 

 brown or reddish network; belly white, with pale 

 golden or mother-of-pearl spots; throat pink; mus- 

 cular portion of tail pale brown or yellowish, with 

 small brown or grey spots; caudal crests greyish- 

 white, with white and small greyish-brown spots, 

 which are scarcer on the lower crest ; usually a few 

 deep black spots on the upper edge of the upper 

 crest. 



Total length, 59 mm. ; body, 18 ; width of body, 12 ; 

 tail, 41 ; depth of tail, 15. 



Habitat. — Bana agilis inhabits the greater part of 

 France, from the north coast of Brittany, Normandy, 

 and Paris to the foot of the Pyrenees and the Medi- 

 terranean littoral, but appears to be absent from the 



