10. Right valve. Cliff on Zoet Geneugd, Sunday's River (64h);
11, left valve. Cliff below the old school-house, right bank of
Sunday's River, Dunbrodie (319); 11a, flat antero-ventral sur-
face of both valves (319).

PAGE

82

12. Modiola baini Sharpe

...

...

85

12. Left valve; 12a, portion of surface in the lower part of the
valve, × 2. One mile north-east of Rawson Bridge, Zwartkop's
River (281).

13. Nucula uitenhagensis sp. nov.

...

...

...

87

Right valve. Wash-out 100 ft. above Coega station at a point
one mile north of Coega Hotel (441g).

15. Right valve; 15a, frontal aspect. Bezuidenhout's River (323).

1. Right valve; la, frontal aspect. Small kloof, three miles up
the left bank of Sunday's River (14h).

2. Trigonia kraussi sp. nov.

PAGE

91

95

...

2. Left valve; 2a, frontal aspect. Most probably Sunday's
River.

3. Right valve; 3a, frontal aspect. Bare slope W. 30 S. from
the middle of Barkly Bridge, on the farm Olifant's Kop (20h).