Number 147 April 26. 1924 



OCCASIONAL PAPERS OF THE MUSEUM OF 

 ZOOLOGY 



UNIVERSITY OF MICHIGAN 

 Ann Arbor, Michigan Published by the Uxm:RSiTY 



A NEW LEPOSOMA FROM PANAMA 



By a. G. Ruthvex and Helen T. Gaige 



A number of specimens of a Leposoma which seems to differ 

 widely from the hitherto known species, were collected by the 

 Bryant "Walker Expedition to Panama (1923). We take great 

 pleasure in dedicating this form to Dr. John Grant South, 

 United States Minister to the Republic of Panama. 



Leposoma southi, new species 



Diagnosis : Head scales very rough, longitudinally striated ; 

 two frontonasals ; praefrontals half the length of the frontal 

 and smaller than the frontoparietals ; three pairs of chin 

 shields, the two anterior pairs in contact ; scales from the eye 

 to shoulder very rough (smoother in dispar and taeniaia)} 



Type Specimen : Cat. Xo. 48065, Museum of Zoology, I'ni- 

 versity of Michigan. Progreso (90 ft. elev.), Chiriqui Prov- 

 ince, Panama; April 19, 1923; H. T. Gaige, collector. 



Description of Type Speciynoi: Form of head and body as 

 in L. dispar; head scales very rugose, strongly striated; two 

 frontonasals, each slightly concave behind; a pair of prae- 



1 We are indebted to Dr. G. K. Noble, American Museum, for the 

 opportunity of examining a paratype of L. taeniata. 



