^fgis"] FOWLER — PEROSUCHUS COPE 105 



forward from tip of tail, a crest is formed which continues back to tip of tail. 

 Crest formed by single elevated keel to each dorsal scute on tail, with 

 slight notch at each articulation. Shields on belly typical, twenty-two 

 rows on lower surface of head, and twenty-nine rows from neck to vent. 

 Fingers free, though between second and third there is a slight trace of 

 basal web. First and second fingers furnished with claws. Toes half- 

 webbed, and all clawed except fourth. (Some of the claws probably lost 

 by accident.) 



Color in alcohol dark brown above, at present mottled finely and ob- 

 scure!}' with paler. Lower surface of head, trunk and tail, pale brown, much 

 hghter than back, and immaculate, though tinged somewhat with yellow- 

 ish. Each of larger shields on back, neck and upper surface of head, 

 distinctly mottled with darker and paler brown. Sides of head largely 

 pale brown. 



Total length 73 cms. 



