Number 103 Junk 21, 1921 



OCCASIONAL PAPERS OF THE MUSEUM OF 

 ZOOLOGY 



UNIVERSITY OF MICHIGAN 



Ann Arbor, Michigan Published by the University 



DESCRIPTION OF AN APPARENTLY NEW LIZARD 

 FRO:\I COLO:\TBIA 



By Alexander G. Ruthven 



A collection of reptiles and amphibians received from Senor 

 Hermano Niceforo Maria, Medellin, Colombia, contains sev- 

 eral representatives of an apparently undescribed teiid lizard. 

 The family Teiidae is evidently in need of revision, but as at 

 present understood the species is to be referred to the genus 

 Prionodactylus. 



Prionodactylus marianus, new species 

 . Diagnosis: Head scales normal ; frontonasal undivided ; 

 nostril pierced in an undivided, often deeply grooved, nasal ; 

 supraoculars 2 or 3 ; 31-39 scales around the middle of the 

 body; 30-31 dorsal scales between the occiput and the groin; 

 ventral scales in eight longitudinal rows, all smooth, 19-20 



