A MONOGRAPH 



BRITISH CARBONIFEROUS 



TRILOBITES. 



HENRY WOODWARD, LL.D., F.R.S., F.G.S., 



KEEPER OF THE DEPARTMENT OF GEOLOGY IN THE BRITISH 

 MTJSEITM (natural HISTORT). 



PART I. 



Pages 1—38; Plates I— VI. 



LONDON: 



PRINTED FOR THE PAL^ONTOGRAPHICAL SOCIETY. 



1883. 



