GERRHOSAURUS SEPIFORMIS. 
than the lateral ones. Fronto-nasal plate large and heart-shaped, the einar- 
gination 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 audilorius externus 
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 strim ; 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. 
