LIZARDS. 



27 



II. Nostril horizontal on the ridge, between three stvollen scales, one 

 between the nostril and labial. Toes keeled beneath or fringed 

 on the side. 



a. Eyelid distinct. 



11. ScRAPTEiRA. Toes depressed, friuged on the edge, not keeled 

 beneath. Collar indistinct. 



12. Eremias. Toes compressed, keeled beneath, not toothed on 

 the edge. Collar distinct. Preanal shields small, in several 

 series, in central series one behind the other. 



13. Mesalina. Toes compressed, keeled beneath, not toothed on 

 the edge. Collar distinct. Preanal shield single, semicircular, 

 with 1 or 2 arched series of smaller ones round it. 



14. Cabrita. Toes rather compressed, keeled beneath, not frin- 

 ged on the sides. Collar none. 



b. Eyelid rudimentary. Eye circular, exposed. 



15. Ophiops. 



I. Nostrils erect, lateral, subapical, in the loiver hinder angle of the 

 nasal plate just above the labial, and ivith 1 or 2 -posterior nasals 

 behind it. Eyelid distinct. Dorsal scales someivhat granular. 

 Ventral shields broad, smooth. 



A. Toes simple, compressed, not keeled beneath nor fringed on the sides. 



a. Scales granular or elongate, 6-sided. Collar distinct. Lacertina. 



f Posterior nasal single. 



1. ZooTOCA, Wagler. Lacerta, part, Liim. 



Nostrils on the side of the nose, in the lower hinder angle of 

 the nasal shield, with 1 small posterior nasal. Lower eyelid 

 opaque, scaly. Throat with a narrow cross fold under the ears. 

 Abdominal shields square. Temple scales small, with a larger 

 central one. Preanal shield single, surrounded by smaller ones. 



* Ventral shields 6-rowed. Dorsal scales rather long, 6-sided. 



The Scaly Lizard. Zootoca vivipara. Lacerta vivipara, 

 Jacg. N. A. Helv. i. 33, t. 1 . Dum. et Bib. E. G. v. 205. L. cro- 

 cea. Wolf. Sturm's Fauna Germ. t. 4. Eversm. N. M. Mosq. iii. 

 347, t. 3,/. 1,2. L. pyrrogaster, Merrem, Tent. 67. L. montana, 

 Mikan, Sturm, Fauna, t. L. agilis, Pemi. B. Z. iii. t. 3,/. 7. 



Licht. Douhl. 93. L. oedura, Sheppard, Linn. Trans, vii. 50 (male 

 in summer). L. Schreibersiana, Edw. Ann. S. N. xvi. 83, t. b,f. 

 5. Duges, Ann. S. N. xvi. 37. L. chrysogaster, Andrz. L. uni- 

 color, Kuhl, Beit. 121 ? L. praticola, Evers. N. M. Mosq. iii. 347, 

 t. 30,/. 2. Z. Jacquini, and Z. Guerini, Coct. Mag. Zool. t. 9. 

 Z. miiralis, Gray, Ann. N. H. 279. 



D-2 



