(197) 



EXPLANATION OF PLATES. 



PLATE XX. 



FIG. 



1. lAiKjula aft'. (Jenxit Hall. Pedicle valve (No. 120), x 2. Top of Hottentot's 



Kloof. 



2. Ditto. Brachial valve (No. 123), x 2. Above 3rcl Sandstone, np-side of 



tunnel-siding, Hex Eiver Pass. 



3. Lmrjulu sp. Pedicle valve (No. 121), x li. Top of Hottentot's Kloof. 



4. Orbictiloidea hdiiii (Morris and Sharpe). Pedicle valve (No. 158), x 1^. 



North of Whupperthal. 



5. Ditto. Brachial valve, side view (No. 1-58), x IJ. Same locality. 



0. Stropheodovta cf. concinna (Morris and Sharpe). Pedicle valve, internal cast 

 (the roughness of the surface is due to the coarseness of the matrix) 

 (No. 131), X 2. Warm Bokkeveld, Ceres. 



7. Stroplionella sp. Brachial valve (No. 128). Nat. size. Gydo Pass, Ceres. 



8. OrtJiothetes sulivani (Morris and Sharpe). Pedicle valve, internal cast (No. 



113). Nat. size. Uitkomst, Ceres. 



9. Cliuuetes falklandicus Morris and Sharpe. Pedicle valve, external cast (No. 



136), X 2. Near Ceres Village, along the Valsch Eiver. 



10. Ditto. Pedicle valve, internal cast (No. 127), x IJ. Hartebeeste Kraal, Ceres. 



11. Clionetex cf. coronatio! Conrad. Pedicle valve, external cast (No. 112), x 2. 



Bosehluis Kloof, below 1st Sandstone. 



12. Ditto. Brachial valve, internal cast (No. 112), x 2. Same locality. 



15 



