34 BULLETIN 160, UNITED STATES NATIONAL MUSEUM 



conical warts; general coloration of upperparts grayish, 

 greenish, or brownish, marbled with a darker shade of brown; 

 an interrupted irregular light vertebral stripe and an irregu- 

 lar lateral light band formed by anastomosing spots gener- 

 ally present; a transverse ashy white or yellowish band ex- 

 tending across upper eyelids and anterior interorbital region; 

 underparts immaculate or spotted with some darker color; 

 skin of upperparts with scattered small conical warts or 

 decidedly tubercular; first finger longer than second; toes 

 half webbed; a tarsal fold with linear series of small conical 

 warts; subarticular tubercles on distal phalanges of fourth 

 toe generally double; head-and-body length, 65 to 85 mm. simus (p. 63) 



No parietal crests present; low curving supraciliary crests 

 continuous with short postorbital crests; parotoid glands 

 elongate, larger than upper eyelids, and contiguous anteriorly 

 with postorbital crests; tympanum distinct, one-half the 

 diameter of orbit; skin of upperparts rough, with numerous 

 small warts; underparts coarsely granular; coloration of 

 upperparts light brown, with light vertebral stripe from 

 snout to vent, on each side of which are large blackish brown 

 angular spots; posterior interorbital region with inverted 

 dark chevron, which ends on upper eyelids; a dark band 

 extending from orbit to thigh below light longitudinal band; 

 underparts immaculate or grajdsh white; first finger longer 

 than second; toes half webbed; no tarsal fold; subarticular 

 tubercles on distal phalanges of fourth toe single; metatarsal 

 tubercles small; head-and-body length, 40 to 52 mm. canaliferus (p. 40) 

 11. Cranial crests high, sharp edged, conspicuous; superior margin 



of upper jaw generally protruding 12 



Cranial crests less conspicuous; parietal crests often indistinct 

 or absent; combined supraciliary and postorbital crests form 

 a continuous curve from anterior margin of orbit to supra- 

 tympanic crest; interorbital region shallowly concave, not 

 wider than upper eyelid; preorbital crest indistinct or vestigial; 

 supratympanic crest short and thick; snout short, bluntly 

 truncated, with angular canthus rostralis; tympanum dis- 

 tinct, transverse diameter about half width of orbit; parotoid 

 glands subtriangular, smaller or no larger than upper eyelid; 

 skin of upperparts thickly set Avith small warts; a lateral 

 row of light-colored warts, but lateral fold is indistinct; 

 coloration of upperparts brownish gray, marbled more or 

 less distinctly with some darker color; whitish vertebral 

 stripe of varying width, on each side of which are three large 

 and a greater number of small irregular light-margined dark 

 blotches; whitish markings above and dark-brown markings 

 below lateral rov/ of warts form more or less confluent longi- 

 tudinal bands of varying width; a continuous or medially 

 interrupted chevron band crosses upper eyelids and inter- 

 orbital region; fore and hind limbs with dark crossbars 

 above; underparts immaculate; first finger longer than sec- 

 ond; a row of small closely spaced warts along tarsal fold; 

 toes less than half webbed; subarticular tubercles on distal 

 phalanges of fourth toe single; inner metatarsal tubercle 

 small; head-and-body length, 55 to 75 mm marmoreus (p. 58) 



