A MONOGRAPH 



OF THE 



BRITISH 



FOSSIL SPONGES 



VOL. I. 



SPONGES OF PALAEOZOIC AND 

 JURASSIC STRATA. 



BY 



GEORGE JENNINGS HINDE, Ph.D., F.R.S. 



LONDON: 

 PRINTED FOR THE PAL^ONTOGRAPHICAL SOCIETY. 



1887—1912. 



