The Relationship of the TctracoraUa to the Hcxacoralla. 197 



Faurot, L. 



1909. Affinites des Tetracoralliaires et des Hexacoralliaires. 



Annales de Paleontologie, T. IV: 69-107. 

 19 14. Developpement et symetrie des polypiers coralliaires. 

 IX^ Congres International de Zoologie, Monaco, 

 191 3 : 278-284. 

 FOERSTE, A. F. 



1906. The Silurian, Devonian and Irvine formations of east- 

 central Kentucky with their associated clays and 

 limestones. Kentucky Geol. Surv., Bull. No. 7. 

 Frech, F. 



1890. Der Korallenfauna der Trias. Palaontographica, Vol. 

 XXXVII: i-i 16. 

 Gordon, C. E. 



1906. Studies on early stages in Paleozoic corals. Am. Jour. 

 Sci. (4), Vol. XXI: 109-127. 

 Gregory, J. W. 



1900. The corals. Jurassic fauna of Cutch. Geol. Surv. 



India, Pal. Indica, Ser. IX, Vol. II, Pt. 2: 1-195. 



HiNDE, G. J. 



1889. On Archccocyathus, Billings, and on other genera allied 



to or associated with it from the Cambrian strata 



of North America, Spain, Sardinia and Scotland. 



Quart. Jour. Geol. Soc, London, Vol. XLV: 125-148. 



Koch, G. vox. 



1896. Das Skelet der Steinkorallen. Fine morphologische 

 Studie. Festschrift fiir Carl Gegenbaur, Vol. 

 II : 249-276. Leipsic. 



KUNTII, A. 



1869. Das Wachstumsgesetz der Zoantharia Rugosa. Zeits. d. 

 deutsch. geol. Gesell., Bd. XXI : 647-660. 

 Lambe, L. M. 



1899. A revision of the genera and species of Canadian 

 Palaeozoic corals. Canadian Geol. Surv., Contribu- 

 tions to Canadian Palaeontology, Vol. IV, Part I, 

 Madreporaria Perforata and the Alcyonaria. 



1901. A revision of the genera and species of Canadian 



Paleozoic corals. Ibid., Vol. IV, Part II, The 

 Madreporaria Aporosa and the Madreporaria 

 Rugosa. 



