( 399 ) 
ON SOME FOSSIL FISHES FEOM THE DIAMOND-BEAEING 
PIPES OF KIMBEELEY. 
By E. Broom, M.D. 
(Plates XX.-XXII.) 
(Eeceived May 26, 1913. Eead July 16, 1913.) 
The strata surrounding the Kimberley group of mines consist of the 
upper Dwyka shales, denudation having removed from this area all the 
higher strata such as are found immediately to the east, between 
Kimberley and Bloemfontein. 
The missing horizons consist of the Ecca beds, that is, of soft blue and 
greenish shale and tiag-stones approximately 2,000 feet thick ; and of the 
succeeding Beaufort beds, characterised by yellow sandstone bands parted 
by blue and green shales, mud-stones and flag-stones, at least several 
thousand feet thick. 
The Acrolepis may have come from either the Dwyka or the Ecca 
shales, and it is interesting in this connection to note that scales belonging 
to this genus have been obtained close to the summit of the Ecca shales 
near Ladysmith, Natal." 
Conspicuous sandstones are not known to occur in the Ecca beds of the 
northern Cape of Good Hope, and the sandstone inclusions are therefore 
in all probability from some horizon in the Beaufort beds — a view which 
is supported both by the fossils described below and by the small 
endothiodont reptile, Chelyoposaums williamsi, Broom, found in Wesselton 
Mine.! 
The inclusions probably fell down into the pipes and were there 
preserved while denudation removed all traces of the parent rocks over the 
locality in question. 
* Annals Natal Museum, 2, 2, 1910, 227 and 229. 
t Records Albany Museum, 1, 3, 1904, 15, 4, and Trans. S.A. Phil. Soc, 15^, 1905, 
259. 
