Geol.Mag. 1881. 



Decade Il.Vol.VlIl.Pl.Vl. 



rr^' 



Zenaspis Salv/eyi, (E^erton, sp.) 

 (^Cephalaspis Asterolepis.) from the Old Eed Sandstone 

 Skerrid Vawr, near Abergavenny. 



