FROGS OF SOUTHEASTERN BRAZIL — COCHRAN 47 



greatly beyond the lower; nostrils lateral, not projecting from their 

 bony surroundings, their distance from end of snout about one-fom-th 

 that to eye, separated from each other by an interval equal to two- 

 fifths their distance from eye. Loreal region above vertical, below 

 flaring outwards. Eye large, very prominent and bulging, its diam- 

 eter shghth' over one-half its distance from end of snout; pupil 

 diamond shaped (in this specimen); interorbital diameter nearly 

 three times that of upper e3^elid, more than three times the distance 

 between nostrils. Tympanum very distinct, its greatest (vertical) 

 width almost one-half the eye diameter, separated from eye by an 

 interval equal to more than one-half its own diameter. Fingers 

 scarcely webbed even at the base, foiu'th considerably longer than 

 second, reaching to base of disk of third, Vv^hich covers two-thirds the 

 tympanic area; no apparent dermal ridges along inner or outer fore- 

 arm; a rudiment of a poUex showing as a blunt semicircular projection 

 at base of first finger; toes one-fourth webbed, third and fifth subequal, 

 disk of fourth covering about one-half the tympanic area; a long 

 blunt inner and a very minute outer metatarsal tubercle; distinct 

 subarticular tubercles present on hands and feet; no apparent dermal 

 ridges on tarsus or heel. Body elongate and heavily built, in post- 

 axillary region almost as wide as greatest width of head; when hind 

 leg is adpressed, heel reaches to anterior border of eye; when limbs 

 are laid along the body, knee and elbow are widely separated; when 

 hind legs are bent at right angles to body, heels overlap very slightly. 

 Head smooth except for the labial and canthal ridges, a wide occipital 

 ridge terminating behind the eye, and a short ridge bordering the 

 upper part of ear; skin of back and upper limb surfaces quite smooth; 

 skin of throat, chest, and sides of body fairly smooth, that of belly 

 and lower part of femur granular. No skinfold across the chest; a 

 pair of prominent lateral vocal sacs. (The right hind foot in this 

 specimen is missing.) 



Dimensions. — Head and body 75 mm.; head length 27 mm., width 

 22 mm.; femur 28 mm.; tibia 30.5 mm.; foot 25 mm.; hand 19.5 nun. 



Mathematical analysis (in percentage of the total length) : 



