griffin: ophidia from south America in carnegie museum 179 



Genus Helicops Wagler. 



21. Helicops angulata (Linnseus). 



Coluber- angulafus Linn^us, Mus. Ad. Frid., 1754, p. 23, PL XV, fig. 1; Syst. Nat., 



Ed. XII, 1766, I, p. 377. 

 Helicops angtdatus Boulenger, Cat. Snakes, I, 1893, p. 278. 



The only specimen in the Museum (No. 279) is a male from the LeBoutelier 

 collection, which simply bears the label "South America." 



Counts and Measurements. 



Anal 1/1 



Scale-row.s 19 



Gastrosteges 117 



Urosteges 74/74 



Upper labials 9(4) 



8(4) 



?reoculars 1 



, Postoculars 2 



Temporals 2, 4 



Total length in mm 300 . 



Length of tail in mm 88 



22. Helicops carinicauda (Wied) var. infrataeniata Jan. 



Coluber carinicaudus Wied, Beitr. Naturgesch. Bras., I, 1825, p. 300, Plate. 

 Helicops infratoeniatus Jan, Arch. Zool. Anat. Phys., Ill, 1865, p. 245 and Icon. 



Gen., 28, PI. Ill, fig. 3 (1868). 

 Helicops carinicauda, var. B, Boulenger, Cat. Snakes, I, 1893, p. 277. 

 No. 355, c?, Cacequy, Rio Grande do Sul (Haseman coll.), Jan. 31, 1909. 



Counts and Measurements. 



Anal 1/1 



Scale-rows 19 



Gastrosteges 128 



Urosteges 61/61 



Upperlabials 8(3.4) 



8(4) 



Preoculars 1 



Postoculars 2 



Temporals 1,2 



Total length in nun 543 



Length of tail in rmu 128 



