1886. ] SOUTH-AFRICAN TORTOISES. 541 
1. Testupo Geometrica, L. 
Beak strongly hooked. No large tubercle on the hinder side of 
the thigh. 
Lateral marginal plates not forming an angle with the costals. 
Nuchal longer than broad. Suture between the gulars longer than 
that between the anals; suture between the humerals as long as that 
between the femorals, and much longer than that between the 
pectorals. 
Carapace black, with yellow areolze from which yellow rays radiate ; 
eight or twelve yellow rays on the vertebrals, nine to twelve on the 
costals, two to four on the marginals. Plastron brown and yellow, 
the two colours forming more or less ill-defined rays. 
Common in the Cape Peninsula. 
2. Testupo TENTORIA, Bell. 
Beak strongly hooked. An enlarged tubercle on the hinder side 
of the thigh. 
Lateral marginals usually not forming an angle with the costals. 
Nuchal minute. Suture between the gulars as long as, or shorter 
than, that between the anals; suture between the humerals longer 
than that between the pectorals or the femorals. 
Carapace black, the centre of the areolz with a small yellow or 
orange spot, from which narrow rays of the same colour radiate ; 
eight to twelve rays on the vertebral, twelve to fourteen on the 
costals, three or four on the marginals. Plastron brown in the 
middle (inner half of abdominal plates), yellow on the sides. 
Common at Beaufort West. 
3. TESTUDO TRIMENT, sp. n. (Plate LVII.) 
Beak very feebly hooked. No enlarged tubercle on the hinder 
side of the thighs. 
Lateral marginals forming an angle with the costals, a convex 
border with a well-marked longitudinal groove. Nuchal minute. 
Suture between the gulars as long as, or shorter than, that between 
the anals ; suture between the humerals not, or but little, longer than 
that between the pectorals or the femorals. 
Carapace black, with broad yellow or orange rays radiating from 
a smali spot on the areolee; five or six rays on the vertebral plates, 
and four to eight on the costals; a yellow spot or streak at the 
junction of two plates; one or two rays on each marginal. Plastron 
dark brown in the centre, with yellow rays, yellow on the sides. 
Length of carapace of adult 105 millim. 
Mouth of the Orange River. 
4, TESTUDO VERREAUXI, Smith. 
Beak very feebly hooked. No enlarged tubercle on the hinder 
side of the thighs. 
Lateral marginals forming an angle with the costals. Nuchal well 
developed, a little longer than broad. Suture between the gulars as 
long as that between the anals; suture between the humerals much 
longer than that between the pectorals or the femorals. 
