FROGS OF SOUTHEASTERN BRAZIL — COCHRAN 265 



Description. — Adiilt male, USNM 118998, Teres6polis, Rio de 

 Janeiro. Vomerine teeth in two very heavy, transverse, nearly 

 contiguous patches behind the choanae ; tongue two-thirds the width 

 of mouth-opening, round, without any indentation on its nearly 

 attached posterior border; a single toothlike process on anterior 

 border of lower jaw ; snout very bluntly rounded when seen from above, 

 sloping forwards to the upper lip which has a distinctly ridged and 

 thickened border, the upper jaw not projecting beyond the lower; 

 nostrils small, superior, on a pair of low nasal elevations, separated 

 from each other by an interval equal to their distance from eye. 

 Canthus rostralis not evident; loreal region concave, and sloping 

 outwards to the flaring upper lip. Eye moderately large, prominent, 

 its diameter a httle greater than its distance from nostrU, but less 

 than its distance from end of snout; interorbital diameter equal 

 to width of upper eyelid and to distance between nostrils. Tympanum 

 not visible. Fingers moderate, free, with a slight trace of lateral 

 ridges, the tips not dilated, fom-th longer than second and reaching 

 almost to base of penultimate phalanx of third; two large, distinct 

 palmar tubercles; subarticular tubercles on hands and feet very 

 distinct; toes webbed at the base, with pronounced lateral fringes, 

 third longer than fifth, reaching to base of antepenultimate phalanx 

 of fourth; an oval inner and a smaller, roimd, outer metatarsal 

 tubercle; an inner tarsal ridge. Body broadly elliptical in shape, 

 in postaxillary region about equal to greatest width of head; when 

 hind leg is adpressed, heel reaches to comjnissure of jaw; when limbs 

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

 hind legs are bent at right angles to the body, heels touch. Skin of 

 upper parts covered with spinose warts that outline a dark triangular 

 area behind the eyes on the occiput; crescentic rows of warts along 

 temporal area, and others on the sacrum; a line of warts across the 

 upper eyelids and on the interorbital area; dark crossbars on legs 

 outlined with warts ; venter entirely smooth except for a few granules 

 below the vent. Evidence of a weak external vocal sac; a patch 

 of 13 (on the right) and 3 (on the left) black spines of varjdng sizes 

 on the base of the thumb. 



Dimensions. — Head and body length 38.5 mm.; head length 14.5 

 mm., width 17 mm.; femur 17 mm.; tibia 17 mm.; foot 18 mm.; hand 

 11 mm. 



Color in alcohol. — Dorsum dark sepia anteriorly, lightening to russet 

 posteriorly; a darker brown triangular patch between the eyes, extend- 

 ing onto the occiput ; a few indistinct, dark, elongate, dorsal markings ; 

 legs with two brown crossbars; venter pale wood brown, the throat 

 and belly with faint, slightly darker marblings. 



