LIZARDS. 51 



8. Pleurostrichus. 



Head pyi-amidical ; internasal large ; frontonasal none (or unit- 

 ed to the former); frontoparietal and parietal separate (or united?) 

 Nostrils lateral. Eyelids distinct. Ear with a long narrow scale 

 in front. Body elongate, subcylindrial. Toes 5-5, unequal. Tail 

 elongate. 



The Pleurostrichus. Pleurostrichus sepiformis. Scincus 

 sepiformis, Schn. Amph. 291. Merrem, Tent. 70. Dum.etBih. E. 

 G. V. 385. Bell. Zool. Voy. Beagle, 29, /. 15,/. 2. A. Smith, III. 

 Zool. S. Afr. t. 42 J. 13—16. 



Yellowish brown, with 12 brown streaks; scales of the back 

 and sides large, equal, strongly striated, in 13 series; of the tail 

 slightly keeled ; ventral shields 8-rowed. 



a. Half-grow^n, in spirits. S. Africa. 



h. Half-grown, in spirits. S. Africa. Presented by Charles Dar- 

 win, Esq. 



The Smooth-tailed Pleurostrichus. Pleurostrichus sub- 

 tessellatus. Gerrhosaurus subtessellatus, A. Smith, Illust. Zool. 

 S. Afr. Rept. t. 41,/. 1. G. tessellatus, A. Smith, I. c. t. 42, f. 

 17,20. 



Back yellow brown, edged on each side with a brown and white 

 tessellated streak, beneath greenish ; body elongate, depressed : 

 scales of body and tail smooth, not keeled ; " fronto-parietal and 

 parietal united on each side.'' 



Inhab. S. Africa. Great Namaqua Land. Mus. Dr. A. 

 Smith. 



9. Saurophis, Fitzinger, Weigm. Tetradactylus, Merrem, (not 



Peron). Chalcides, Baud. 



Head pyramidical, shielded. Temple shielded. Palate tooth- 

 less. Nostrils lateral, in the upper labial, an anterior and a pos- 

 terior nasal plate. Eyelids distinct. Ear with a lobe in front. 

 Body very long, narrow. Sides with a groove. Scales of back 

 rhombic, smooth. Legs very short. Toes 4-4, short, compressed, 

 smooth below ; claws elongate. Femoral pores distinct. 



The Saurophis. Saurophis tetradactylus. Tetradactylus 

 Chalcididus, Merr. Tent. 75. Lacerta tetradactyla, Lacep. Ann. 

 Mus. ii. 351, t. 59,/. 1. Schinz, Rept. t. 42, /. 1. Baud. Rept. iv. 

 362. Guerin, Icon, t. 1 6,/. 2. Saurophis Seps, Fitz. Rept. 50. S. 

 Lacepedii, Dum. et Bib. E. G. v. 389. 



Fulvous, scales brown-edged ; lips and lower edge of the tem- 

 ple white, black-spotted ; scales of the back striated, with a small 

 central keel, in 14 series ; ventral shields 6-rowed ; femoral pores 

 5 or 6. 



Inhab. S. Africa ? Australia ??? Mus. Paris. 



f2 



