260 REPTILES. 



* Tail not prehensile. 



Olivier's Phrynocephale. Phiynocephalus Olivieri, Dum. 

 etBib.E.G.iv.dU. 



Back brown ; sides of the neck and body black ; interscapu- 

 lars and loins grey ; tail not prehensile, nearly round, very slen- 

 der, ringed with black and white ; scales of the back small, with 

 scattered larger and thicker ones. 



Inhab. ? Mus. Paris, (M. Olivier). 



** Tail prehensile. Back ivith scattered tubercular scales. 



The Ural Phrynocephale. Phrynocephalus helioscopus, 

 Kaup. Eichiv. Fauna Casp. Cauc. 87. Eversm. Gravenh. N. Act. 

 Nat. Cur. xvi. 934, t. 64, /. 9, 14. Lacerta helioscopa, Pallas, 

 Z. R. A. Dum. et Bib. E. G. iv. 519. Gmel. S. N. i. 1074. 

 Latr. Kept. ii. 30. Daud. Rept. iii. 419, 422. Phryn. caudivolvu- 

 lus, Eversm. N. Mem. Mosc. iii. 362, t. 32, f. 2. Lac. uralensis, 

 Lepechin P Gmel. S. N. i. 1073. Fitz. Verz. 47. Lac. gibba, 

 Gynelin, Reiss. P 



Olive, shaded or spotted with brown, beneath whitish ; scales 

 of the back small, with small scattered tubercles ; tail slightly pre- 

 hensile, subconic, spotted on each side, and tipped with black. 

 a, b. Adult and half-grown, in spirits. Siberia. From the Ber- 

 lin Museum. 

 c. Half-grown, in spirits. Siberia. Presented by J. E. Gray, 

 Esq. 



*** Tail prehensile. Back ivith small uniform scales. 



The Prehensile Phrynocephale. Phrynocephalus caudivol- 

 vulus, Fitz. Verz.^%. Eichw. Faun. Casp. Cauc. 85, 1. 13,/. 9 — 14. 

 t. 12, f. 6, 7. Dum. et Bib. E. G. iv. 522. Lacerta c. Pallas, Z. 

 Ross. Asiat. iii. 27. Agama ocellata, Licht. Eversm. Reiss. 143. 

 Var. Phry. reticulatus, Eichiv. Zool. Spec. iii. 186. Dum. et Bib. 

 E. G. iv. 515. Lac. guttata, Lep. Rus. i. 317, t. 22, f. 2,3. Gmel. 

 S. N. 1078. Gravenh. N. A. Acad. N. Cur. viii. 780. Schn. Am. 

 204. Phryn. Pallasii, Graij, Griffith, A. K. ix. 59. 



Olive, with waved brown lines, beneath yellow white ; tail pre- 

 hensile, subconic at the end, elongate, black-ringed, with a yellow 

 longitudinal streak above and a black tip ; scales of back equal. 



Inhab. Siberia. Mus. Paris. 



The Affghan Phrynocephalus. Phrynocephalus Tickelii. 



Olive green, beneath yellowish ; scales of back equal, ovate ; 

 tail very long, slender, with brown-black rings and a long pale tip, 

 base rather dilated, with some scattered tubercles on each side. 



a. In spirits. Affghanistan. Presented by the Hon. East India 

 Company. 



See also P. varius, P. melanurus, P. nigricans, Eichiv. Zool. 

 Spicil. iri. and Dum. et Bib. E. G. iv. 515. 



