Quart. Journ. Geol. Soc. Vol. LXVI, Pl. XLIX 
Fiq. 1. 
LAVA WITH SUBSIDENCES AND A TUNNEL. 
T. A., Photogr. 
Fig. 2. 
THE TOWER OF THE CHURCH OF SATAPUTU IN A DEPRESSION IN THE LAVA-FIELD. 
T. A., Photogr. 
Bemrosc Ltd., Collo., Derby. 
