FROGS OF COLOMBIA — COCHRAN AND GOIN 



507 



reticulate; interorbital distance about equal to width of upper eyelid, 

 which is relatively wide and slightly greater than distance between 

 nostrils. Tympanum not strongly distinct, about one-fourth the diam- 

 eter of eye, separated from eye by a distance nearly equal to its own 

 diameter. Fingers slightly webbed at base, fourth finger considerably 

 longer than second, just reaching the disk of third which is a little 

 greater in size than the tympanic area; no projecting rudiment of a 

 pollex; no ulnar ridge; no humeral spine palpable. Toes slightly more 

 than one-half webbed, the web on fourth toe reaching base of penulti- 

 mate phalanx; third and fifth toes subequal, disk of fourth toe about 

 covering the tympanic area; a distinct oval inner and a smaller but 

 equally distinct rounded outer metatarsal tubercle; no tarsal ridge; 

 no dermal appendage on heel. Body somewhat elongate, in postaxillary 

 region a little narrower than greatest width of head; when hind leg is 

 adpressed, heel reaches almost to nostril; when limbs are laid along 

 the side, knee and elbow overlap somewhat; when hind legs are bent 

 at right angles to body, heels overlap somewhat. No patagium. Skin 

 of upper parts rather smooth; a rather indistinct glandular ridge encir- 

 cling upper part of tympanum; skin of throat and chest smooth, that 

 of belly and lower surface of thigh uniformly and very finely granular; 

 no apparent trace of a skinfold across chest; adult female, no vocal 



Figure 51.— Centrolenella parabambae, CNHM 81362 (X 2). 



