495 



II. KEPOKT 



ON THE 



COEALS FROM THE TERTIARY FORMATIONS 

 OF NORTH AMERICA. 



COLLECTED BY MR. LYELL, AND DESCRIBED BY W. LONSDALE, 



ESQ., F. G. S. 



I. Account of Ten Species o/'Polyparia obtained from the Miocene 

 Tertiary Formations of North America. 



The following is a list of the species : — 



1. Anthophyllum lineatuni Lonsdale. (Caryophyllia lineata 

 Conrad.} 



2. Columnaria (?) sexradiata Lonsdale, (sp. n.) 



3. Astrea hirtolamellata (?) Michelin. 



4. Heteropora (?) tortilis Lonsdale, (sp. n.) 



5. Escharina tumidula Lonsdale, (sp. n.) 



6. Lunulites denticulata Conrad. 



7. Cellepora informata Lonsdale, (sp. n.) 



8. Cellepora umbilicata Lonsdale, (sp. d.) 



9. Cellepora quadrangularis Lonsdale, (sp. n.) 

 10. Cellepora similis Lonsdale, (sp. n.) 



A. Polyparia Anthozoa. 

 1. Anthophyllum lineatum. 



Stems conical or cylindrical, short, clustered, outer surface ribbed unequally ; 

 lamellae numerous, breadth variable, irregularly grouped, sides papillated, edges 

 rugged; centre union of highly foraminated or reticulated lamellae; terminal 

 cup deep, very rugged, centre projecting papillae ; connecting laminae thin ; 

 additional stems produced from germs on the sides or at the base of pre- 

 existing. 



Lithodendron fiexuosum, Michelin ? Iconographie Zoophy- 

 tologique, p. 49. pi. 10. f. 2. Caryophyllia lineata, Conrad. MS. 

 label. 



This fossil differs essentially from any of the corals originally 

 assigned by Schweigger to Lithodendron*, or any of those to 

 which the term has been applied by English palaeontologists f ; it 

 differs also equally from the species of Lamarck's Caryophyllia to 



* Beobachtungen, &c. Syt. Table VI. 

 f Phillips, Geol. Yorkshire, part ii. p. 202. 



LL 2 



