2nd Ser. ZOOLOGY.] 



r 



[VOL. IV. PART 2. 



THE 



TRANSACTIONS 



OF 



U^Jr- out ^RlL '^u^.'C.x/-^ 



THE LINNEAN SOCIETY OF LONDON. 



A MONOGRAPH OF RECENT BR ACHIOPOD A.-Part II. 



BY 



THOMAS DAVIDSON, LL.D., E.R.S., F.L.S., F.G.S., &c. 



LONDON: 



PRINTED FOR THE LIKNEAN SOCIETY 



BY TAYLOR AND FRANCIS, RED LION COURT, FLEET STREET. 



SOLD AT THE SOCIETY'S APARTMENTS, BURLINGTON-HOUSE, PICCADILLY, W., 

 AND BY LONGMANS, GREEN, AND CO., PATERNOSTER-ROW. 



July 1887. 



