FROGS OF SOUTHEASTERN BRAZIL — COCHRAN 61 



second and reaching to base of disk of tMrd, which shghtly exceeds the 

 tympanic area; no pronounced rudiment of a pollex; toes three-fourths 

 webbed, third and fifth subequal, disk of fourth covering about 

 three-fourths of the tympanic area; a distinct, large inner and a very 

 minute outer metatarsal tubercle; a faint inner glandular tarsal ridge; 

 no dermal appendage on heel; body rather elongate but heavy in 

 build, in postaxillary region slightly wider than greatest width of 

 head; when hind leg is adpressed, heel reaches to center of eye; when 

 limbs are laid along the sides, knee and elbow fail to meet by a con- 

 siderable interval; when hind legs are bent at right angles to body, 

 heels considerably overlap. Skin of upper parts thick and coarsely 

 glandular; a narrow glandular supra tympanic ridge; skin of throat 

 sparsely granular, that of chest nearly smooth, that of belly and 

 posterior lower thigh very heavily granular. A skinfold across the 

 chest. A pair of very prominent lateral external vocal sacs in the 

 male, appearing as heavy folds of skin in front of the shoulders; a 

 distinct, swollen, roughened, dark nuptial pad on the base of first 

 finger. 



Dimensions. — Head and body 67 mm.; head length 20 mm., width 

 21 mm.; femur 29 mm.; tibia 32 mm.; foot 32 mm.; hand 20 mm. 



Mathematical analysis (in percentage of the total length): 



Number 

 Mean 



Standard deviation 

 Variation 



Standard error .72 .41 .67 1. 20 1. 30 . 72 



Range 27. 9- 30. 8- 42. 7- 48. 5- 45. 5- 29. 4r- 



30. 5 33. 3 46. 5 54. 5 53. 4 33. 3 



Color in alcohol. — Dorsum pale seal brown; a pale oHve-gray area, 

 triangular in shape, on top of head in front of eyes and extending 

 backward above the tympanum on each side of the body to the groin 

 as a wide dorsolateral band, the edges of which are emphasized by an 

 abrupt, darker line of seal brown; a few scattered olive-gray spots 

 along the middle of the back; sides of head olive-gray, upper surface 

 of arms and legs vinaceous buff. Ventral surfaces immaculate pale 

 buff. 



Color in life. — From painting without data, presumably by Sandig. 

 Dorsal surface olive, darkening to clove brown on top of head, becom- 

 ing slightly paler on top of snout; a very light olive-gray dorsolateral 

 band beginning on sides of snout and continuing from behind the 

 eyes almost to groin; limbs fight olive-green. Iris maize yellow at the 

 center, tinged with orange at the periphery, crossed by a few zigzag 



