( 198 ) 



PLATE XXI. 



FIG. 



1. Chonetes cf. coronatutt Conrad. Pedicle valve, internal cast (No. 118), x 2. 



Boschluis Kloof, below 1st Sandstone. 



2. Ditto. Brachial valve, internal cast (No. 118) x 2. Same locality. 



8. Chonetcs cf. arcei Ulrich. Brachial valve, internal cast (No. 129), x IJ. 



Locality unknown. 

 4. Chonetes aff. xetiger Hall. Pedicle valve, internal cast (No. 126), x 2. 



Witzenberg Valley, Ceres. 

 -5. Ditto. Brachial valve, external cast (No. 126), x 2. Same locality. 



6. Orthis sp. ? Brachial valve (No. 132), x 2. Kloof north-west of homestead 



on Laken Vley, Ceres. 



7. Rhynchonella {Ca)ii(irot<('cliia) sp. Pedicle valve, anterior margin imperfect 



(No. 221), X 2. Gamka Poort. 



8. RensselcBfia sp. a. Brachial valve, internal cast (No. 149), x IJ. Assegai 



Bosch, Eoode Berg, Ladismith. 



9. Rcnstselceria sp. /i. Pedicle valve (fig. 9((); brachial valve (fig. 9/*) ; side view 



(fig. 9c) (No. 156), X 2. Gydo Pass, Ceres. 



10. Rensselceria sp. ? Brachial valve, external cast (No. 152), x 1^. Locality 



unknown. 



11. Trigeria alf. ndudriii CEhlert. Brachial valve, external cast (No. 150), x 2. 



Locality unknown. 



12. Ditto. Brachial valve, internal cast (No. 151), x 2. Locality unknown. 



