Number 122 July 10, 1922; 



OCCASIONAL PAPERS OF THE MUSEUM OF 

 ZOOLOGY 



UNIVERSITY OF MICHIGAN 



Ann Arbor, Michigan Published by the University 



A NEW SPECIES OF AMPHISBAENA FROM 

 BRITISH GUIANA 



By Alexander G. Ruthven 



The collections of reptiles and amphibians made in British. 

 Guiana by the Museum of Zoology, University of Michigan, 

 contain several specimens of the genus Amphisbaena, one oL 

 which apparently represents an undescribed species. 



Amphisbaena stejnegeri, new species 



Diagnosis: Nasals forming a suture on the snout; nasal 

 suture shorter than praefrontal suture; no infraocular; no 

 praeocular; no occipitals. Annuli on the middle of the body 

 composed of 34 segments, the dorsals longer than broad, the 

 median ventrals broader than long. Six prseanal pores. 



Type Specimen: Cat. No. 55858, Museum of Zoology, Uni- 

 versity of Michigan ; sand reef at Vreeden Rust, Demerara 

 River, British Guiana ; January i, 192 1 ; E. N. Clarke, collector.. 



