NATURAL SCIENCES OP PHILADELPHIA. 125 



everywhere smooth except in the following regions of the upper 

 surface. A strong elevated fold from the superciliar}- border to 

 the inguinal gland, below which on the scapular region is a boss 

 like a parotid gland : A fold from the inner border of the eyelid 

 to the end of the sacral diapophysis ; a fold frona the end of the 

 muzzle to the end of the cocc3^x on the median line. A short 

 conic tubercle stands at its extremity on the muzzle. Edge of the 

 eyebrow with three dermal processes or " horns." There is a ridge 

 extending along the inner border of the large choanae which sup- 

 ports no teeth. Tongue a long oval, notched posteriorl3\ The 

 middle of the forearm marks the end of the muzzle, and the heel, 

 the tympanum. Digits all entirely free. 



Color above brown; below pure white; sides pure black, the 

 color extending on the sides of the abdomen and then passing 

 round in front of the femora, thus inclosing an anchor-shaped 

 space of white. A black spot on the posterior part of the inguinal 

 gland ; femora behind with a black band from one popliteal region 

 to the other. From this, black bands extend to the end of the 

 coccyx, one across the femur above, and a broad one across the 

 femur below, near the knee. Tibia below black, with a j'ellow 

 cross-band. Limbs above brown; forelegs black and white spotted 

 below. 



M. 



Length of head and body 038 



" " to angles of mandible 012 



Width " at " " 013 



Length of fore limb 021 



" ofhindHmb 045 



" of hind foot 022 



" of tarsus 008 



Two specimens from Nauta. 



The dermal plicae though strong are easily lost by stretching. 

 Cyclorhamphus aemaricus, ?p. nov. 



Form like Scaphiopus. The tympanic membrane wanting and 

 the tympanic chamber occupied by muscle. Ostia pharyngea 

 minute ; their depth not ascertained. Vomerine fasciculi minute, 

 and between the small choanre. Tongue round, extensively free. 

 Labial integument largely free and overhanging the lower jaw. 

 Xiphisternum broad, emarginate base osseous. Limbs short, the 

 heel reaches about to the angle of the mouth. Fingers free, toes 



