BARBOUR AND NOBLE: AMPHIBIANS FROM PERU. 



415 



Habitat. Central Cordillera of Piura, northern Peru. It may 

 perhaps also be expected to occur in the higher portions of Cajamarca 

 and Lambayeque. 



Type. M. C. Z. 4,093 within the town limits of Huancabamba, 

 Piura, Peru; 5 August, 1916, G. K. Noble. 



Description of Type. Size moderate; head broader than long, much nar- 

 rower than the body, its length contained in the total length of the body just 

 three times; snout rounded and flat without canthus rostralis, nostril slightly 

 nearer the orbit than the labial border. Vomerine teeth in two large groups 

 between the choanae which are very smaU; tongue moderate in size, longer 

 than broad. Interorbital space 1.4 as broad as the length of the eye; the 

 length of the snout 1.5 times that of the eye; tympanum one fourth the diame- 

 ter of the eye, partly covered by the supratympanic fold. Digits free, stout, 

 slightly dilated at the tips, the first finger longer than the second but shorter 

 than the fourth; the elbow extended forward reaches slightly beyond the 



Fig. 5. — Telmatobius ignavus Barbour & Noble. 1. Foot. 2. Hand. 3. Open mouth. 



tympanum. Toes more than half webbed, but the webs notched, making the 

 toes appear only one third webbed; a narrow border of free skin On the inner 

 side of the tarsus; subarticular tubercles distinct; the inner and outer meta- 

 tarsal tubercles well developed; heels just in contact when the hind limbs are 

 folded at right angles to the axis of the body; the tibiotarsal articulation 

 reaches nearly to the posterior edge of the orbit when the hind limbs are 

 carried forward along the body. Skin smooth; upper surface of body, and 

 appendages somewhat glandular, the glands appearing as irregular patches of 

 pores; a well-developed lateral fold, beginning at the posterior angle of the 

 orbit and extending to the groin; skin on the sides of body very loose and baggy; 

 ventral disc marked off by a transverse fold between the fore limbs and two 



