HAKHOIR AND NOHLK: AMI'lIIBIANS FROM I'EKU. 



417 



choanae onlarntnl and at a slifilit anple to each other; tonmio small, loriRor than 

 broad. Iiit('rori)ital space nearly two times as broad as the length of the eye; 

 tjTnpanum hidtlen, the region covered by two loose flaps of skin. Digits 

 slender but edged on either side by a seam of skin which does not develop into 

 a web, tips not dilated; the first finger a trifle longer than second, equal in 

 length to the fourth; the elbow extended forward reaches only about three 



Telmatobius culeus (Garman). 1. Foot. 2. Hand. 3. Open mouth. 



fovirths of the distance to the orbit. Toes full}- webbed but deeply notched, 

 making them appear slightly more than half webbed; a free border of skin on 

 the inner side of the tarsus and a narrower one on the outer edge of the fourth 

 toe; subarticular tubercles barely visible, the metatarsal tubercles the most 

 distinct; heels almost in contact when the hind limbs are folded at right angles 

 to the axis of the body; the tibiotarsal articulation reaches slightly bej-ond the 

 angle of the mouth, when the hind limb is carried forward along the body. 

 Skin smooth, the entire upper surface glandular, the glands appearing as 

 numerous small depressions; skin very loose and baggy, falling into a number 

 of large folds and flaps; a supraocular fold continued posteriorly to form a 

 supratjTnpanic and lateral fold, several transverse folds on the sides; a very 

 wide, loose, liquid-filled bag or flap extending along the posterior side of each 

 thigh; manj' folds on the appendages due to the loose character of the skin. 



Color slate-grey above thickly spotted with white; the spots more abirn- 

 dant ventrally gi^ing the under svuiace a Ughter appearance. 



