180 



MEMOIRS OF THE CARNEGIE MUSEUM 



23. Helicops leopardina (Schlcgel). 



Homalopsis leopardina Schlegel, Phys. Serp., II, 1837, p. 358. 

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



The Museum possesses eleven examples of this si)ecies, as follows: 



No. 25, cf . Las Juntas, Bolivia, coll. J. Steinbach, December, 1913. 



No. 321, (f . Puerto Suarez, Bolivia, coll. J. D. Haseman, May 7, 1909. 



No. 322, 9 . SiXo Antonio de Guapore, coll. J. D. Haseman, July 4, 1909. 



No. 323, cf . Puerto Suarez, Bolivia, coll. J. Steinbach, Jan., 1909. 



No. 324, c^. Aregua, Paraguay, coll. J. D. Haseman, April 7, 1909. 



No. 325, (f . Puerto Suarez, Bolivia, coll. J. D. Haseman, May 6, 1909. 



No. 326, cf . Puerto Suarez, Bolivia, coll. J. D. Haseman, May 6, 1909. 



No. 327, 9 . Sao Luiz de Caceres, coll. J. D. Haseman, May 25, 1909. 



No. 338, d". Santarem, Brazil, coll. J. D. Haseman, Dec. 7, 1909. 



No. 357, cf . Santarem, Brazil, coll. J. D. Haseman, December 15, 1909. 



No. 358, cf . Santarem, Brazil, coll. J. D. Haseman, December 15, 1909. 



The h3'papoi)hyses of the posterior trunk vertebrae of H. leopardina are vari- 

 ably developed. Some specimens show scarcely a keel, some a well-developed 

 plate, some an intermediate condition. No. 338 has no loreal shields; the loreal 

 is absent on the left side of No. 357, and the right nasal of this specimen is in con- 

 tact with the preocular. 



COTINTS AND MbASUEEMENTS. 



