228 CYSTIGNATHID^. 



the eye to the groin ; below this fold, on the scapular region, a large 

 parotoid gland ; another similar gland on the loin ; a more or less 

 distinct fold along the vertebral line ; a few conical tubercles on the 

 snoot ; edge of the upper ej^elid with three or four horn-like dermal 

 processes ; a strong, bow-shaped, raised fold from one eyelid to the 

 other ; generally four round tubercles on the back, and one on each 

 thigh ; a raised fold across the middle of the calf. Olive above, 

 marbled with darker ; loreal regions obliquely striped ; sides deep 

 black, the colour extending on the sides of the belly and then passing 

 round in fi'ont of the thighs ; lumbar gland yellow and black ; limbs 

 cross-barred above, black and yellow beneath. Male with a subgular 

 vocal sac and brown rugosities on the inner side of the first finger. 

 Ecuador. 



Mr. Bucklev [C]. 

 Mr. Buckle'y [C.]. 

 Mr. Bucklev [C.]. 

 Mr. H. Veiiich [P.]. 



2. Edalorhina buckleyi. (Plate XYI. fig. 1.) 



No fold between the eyelids ; a fold from the middle of each eye- 

 lid to the sacral region ; a fold from the tip of the snout to the 

 occiput ; an elongated tubercle on the middle of the back. Back 

 longitudinally striped with brown. Otherwise as in E. perezii. 



Ecuador. 



a. (S . Canelos. Mr. Buckley [C.]. 



3. Edalorhina plicifrons. 



Bubonias plicifrons, Cope, Proc. Ac. Philacl. 1874, p. 124. 



Vomerine teeth none. Tympanum oval, its long axis directed 

 upwards and forwards, and nearly equal in length to that of the eye. 

 Toes free. The hind limb being carried forwards along the body, 

 the tibio-tarsal articulation reaches the tympanum. Skin every- 

 where smooth except in the following regions of the upper surface : — ■ 

 a strong elevated fold from the superciliary border to the inguinal 

 gland, below which on tlie scapular region is a boss like a parotoid 

 gland ; a fold from the inner border of the eyelid to the end of the 

 sacral diapophysis ; a fold from the end of the snout to the end of 

 the coccyx on the median line ; a short conic tubercle stands at its 

 extremity on the snout ; edge of the eyebrow with three dermal 

 processes or " horns." Brown above, pure white below ; sides pure 

 black, the colour extending on the sides of the abdomen and then 

 passing round in front of the femora, thus enclosing an anchor- 

 shaped space of white ; a black spot on the posterior part of the 

 inguinal glands ; limbs black and white beneath. 



Nauta, Upper Amazon. 



