THE GRAPTOLITES AND CORALS 3^5 



CORALS. 



CARRUTHERS, R. G. Primary Septal Plan of Rugosa, 

 Ann. and Mag. Nat. Hist., ser. 7, vol. xviii. (1906). 



CARRUTHERS, R. G. Revision of some Carboniferous 

 Corals, Geol. Mag., dec. 5, vol. v. (1908). 



DUERDEN, J. E. Morphology of the Madreporaria, 

 Ann. and Mag. Nat. Hist., ser. 7, vols. x., xi., xvii., xviii, 

 (1902-06). 



DUNCAN, P. M. British Fossil Corals (2nd Series), 

 Pal Soc., 1866-72. 



LANG, W. D. Growth Stages in Parasmilia, Proc. 

 Zool. Soc., London, (1909), p. 285. 



MILNE-EDWARDS, H., AND HAIME, J. British Fossil 

 Corals, Pal. -Soc. 1850-54. 



TOMES, R. F. Various papers in Quart. Jonrn. Geol. 

 Soc., vols. xxxiv-xlix. (1878-93). 



VAUGHAN, A. The Carboniferous Limestone Series 

 (Avonian) of the Avon Gorge, Proc. Bristol Nat. Soc., 

 ser. 4, vol. i. (1906). 



VAUGHAN, A., AND OTHER AUTHORS. Various papers 

 on zonal distribution of Carboniferous Corals in Quart. 

 Jonrn. Geol. Soc., from 1905 on. 



