GERRHOSAURUS SEPIFORMIS. 



than the lateral ones. Frontonasal plate large and heart-shaped, the emar- 

 oination in the hinder edge ; inter fronto-parietal plate long, narrow, and 

 subdiamond-shaped ; inter parietal short and regularly diamond-shaped. 

 Temporal plates four, the two upper the largest. Meatus audito)-ius extemus 

 subtriangular, and in front edged with a narrow projecting plate. Lateral 

 duplicature well developed. Scales of body quadrangular, slightly imbricate, 

 disposed in transverse rows, and each with a number of rudimentary keels 

 or slightly elevated striae ; scales of the tail in circles, and each of those of the 

 upper and lateral parts with a strongly developed keel, which behind termi- 

 nates in a prominent spine, those of the under surface with several keels, 

 but no spines. Abdominal plates quadrangular, smooth, and arranged in 

 transverse rows, eight in each, those of the four middle rows largest. 

 Femoral pores 10. Preanal plates three in a row, the middle one triangular, 

 and its apex rather blunt. Length from nose to base of tail 2 inches 3 lines ; 

 length of tail of a perfect specimen 5 inches. 



Inhabits grassy flats in the Eastern districts of the Cape Colony, and when disturbed in its 

 retreat, seeks concealment under loose stones or among decayed vegetable matter. 



