14 PROCEEDIjSTGS of the national museum vol. 7S 



LEIOSAURUS CATAMARCENSIS (Koslowsky) 



1898. Liomurus catamaroeiisis Koslowsky, Revista Mus. La Plata, vol. 8, 

 p. 169 (type locality, Proviucia de Catamarca, Argentina). 



1898. Lwlaemus catamaroeiisis Koslowsky, lievista Mus. La Plata, vol. 8. 

 pi. 1, opposite p. 200 (?«/>.s'H,s- calami \). 



1922. Aperopristis cataiinircensis Muller, Senckenbergiana, vol. 4. p. 159. 



As indicated above, this form is closely related to L. hellii. It is 

 also allied to Aperopristis paronae (Peracca), the tj^pe species of the 

 supposed genus Aperoprisfif<, as pointed out recently by Miiller 

 (1922). 



Argentina. — Three specimens, No. 63952, collected on November 

 29, 1920, by Alexander Wetmore at General Roca, Rio Negro, No. 

 52G00, taken in March, 1914, at Mendoza by Dr. Carlos S. Reed, 

 and No. G3953, secured on December 24, 1920, at Victorica, Pampa, 

 by Alexander Wetmore. 



LEIOSAURUS DARWINII (Bell) 



1843. Diplolaemus danrinii Bell, Zool. "Beagle," Reptiles, p. 20 (type 



locality, Port Desire, Patagonia). 

 1898. Liosmirm darwi'ni Koslowski, Revista Mus. La Plata, vol. 8, p. 169. 



This species and L. bihronii differ from L. helUi and L. catamar- 

 censis in not having a distinctly isolated series of dark markings 

 along the middorsal line. The dark markings are either lateral or 

 transverse instead. 



Argentina. — Eight specimen.s. Nos. 22739-40, from Santa Cruz, 

 received from Museo de la Plata ; No. 34701 from Neuquen Province, 

 said to be " common on the sands of Cordilleras " collected on No- 

 vember 12, 1903, by J. W. Titcomb, and Nos. 36949-53, taken in 1898 

 by J. B. Hatcher in Patagonia. 



Genus LIOLAEMUS Wiegmann 



LIOLAEMUS BIBRONII (Bell) 



184.5. Leiolaemus bihronii Bell, Zool. " Beagle," Rept., p. 6 (type locality, 



Port Desire, Argentina). 

 1845. Leiolaemus hellii Gray, Cat. Liz. Brit. Mus., p. 212 (type locality, Chile). 

 1845. Leiolaemus lineatua Gkay, ('at. Liz. Brit. Mus., p. 213 (type locality, 



Chile). 



Argentina, — Three specimens. No. 73653, Lago Gutierrez, Rio 

 Negro Territory, collected on November 3, 1926, by Dr. and Mrs. 

 R. C. Shannon, No. 34703, collected by J. W. Titcomb on December 

 5, 1903, and No. 36932, Patagonia, collected by J. B. Hatcher in 1898. 



LIOLAEMUS CHILIENSIS (Lesson) 



1831. Oalotes chilicnsis Lesson, in Duperry, Voy. " Coquille," Zool., vol. 2, pt. 1, 



p. 36 (type locality, Talachuano, Province de la Concepcion, Chile). 

 1885. Liolacmus chiUnsis Boulenger. Cat. Liz. Brit. Mus., vol. 2, p. 141. 



