430 Mr. Gr. A. Boulenger on new 



the diameter of the eye. Fingers moderate, first a little 

 shorter than second ; disks rather large, round, smaller than 

 the tympanum ; subarticular tubercles rather small, feebly 

 prominent. Tibio-tarsal articulation reaching the nostril or 

 the tip of the snout ; tibia If times in length of head and 

 body. Toes moderate, perfectly free ; disks a little smaller 

 than those o£ the fingers ; subarticular tubercles small, feebly 

 prominent; two metatarsal tubercles, inner oval, rather large 

 and prominent, outer round and small. Upper parts with 

 small glands, belly granular; upper eyelids with several 

 subcorneal tubercles. Brown above, back and sides of head 

 yellowish ; a >— <-shaped black marking behind the back 

 of the head, the antero-lateral branches of which extend to 

 the eyes ; a dark canthal streak, and two dark bars from the 

 eye to the edge of the mouth; an oblique dark temporal 

 streak ; limbs with dark cross-bars ; sides of thighs deep 

 pink ; lower parts, throat, and breast finely speckled with 

 brown. 



From snout to vent 20 mm. 



Three specimens from El .Topo, Rio Pastaza, E. Ecuador, 

 4200 ft.; from Mr. M. G. Palmer's collection, 1912. 



L-'ptodactylus hololius. 



Tongue oval, slightly nicked behind. Vomerine teeth 

 in long, slightly oblique series behind the choanal, not 

 extending outwards beyond the vertical of the inner borders 

 of the latter. Head as long as broad ; snout rounded, 

 scarcely projecting beyond the mouth ; canthus rostralis 

 indistinct; loreal region oblique, slightly concave; nostril 

 equidistant from the eye and from the tip of the snout; 

 interorbital space as broad as the upper eyelid ; tympanum 

 very distinct, half the diameter of the eye. Fingers moderate, 

 obtuse, first a little shorter than second ; subarticular 

 tubercles rather large and very prominent. Tibio-tarsal 

 articulation reaching the eye ; tibia a little less than half 

 the length from snout to vent. Toes slender, obtuse, perfectly 

 free, not margined ; subarticular tubercles moderately large, 

 very prominent ; two small metatarsal tubercles, inner oval, 

 outer round ; no tarsal fold. Skin perfectly smooth ; no 

 dorse-lateral fold. Pale brown above, with dark brown 

 spots ; a dark cross-bar between the eyes, followed by a 

 rhombic spot ; a /\-shaped dark marking between the 

 shoulders ; limbs with rather indistinct dark cross-bands ; 

 lower parts white. 



