

71, 



A MONOGRAPH 



BRITISH STBOMATOPOROIDS. 



H. ALLEYNE NICHOLSON, M.D., D.Sc, Ph.D., E.G.S., 



REGirs FBOFESSOB OF NATUBAL HISTOET IK THE UNITEESITT OF ABERDEEN. 



LONDON: 



PRINTED FOR THE PAL^EONTOGEAPHICAL SOCIETY. 

 1886—1892. 



