90 EXPLANATION OF PLATES 55. 56. 



Fig. 6. Section of the animal of Meandrina viridis, and 



of the coral in which it is placed. 

 Fig. 7. Animals of Meandrina limosa as seen from above, 



and magnified ; they are placed in confluent stellated 



cells similar to those in Fig. 5. 

 Fig. 8. One of the same, seen in profile, with the edges of 



its coralline plates behind the tentacula. (Mem. du 



Mus. d'Hist. Nat. Tom. 6, PL 15. 4.) 

 Fig. 9. Caryophyllia Smithii, from Torquay. Nat. size. 

 Fig. 10. The same, with its animal partially expanded, 



within the centre of the coral. 



Fig. 11. The animal expanded and seen from above. 



(Zoological Journal, Vol. 3. PL 13.) 



Plate 55. V. I. p. 350. 



Fig. 1. A. B. C. Trunk, and dichotomous branches of a 

 fossil tree, Lepidodendron Sternbergii, found in the 

 roof of a coal-mine at Swina, in Bohemia. (Stern- 

 berg, Tab. I.) 



Fig. 2. The extremity of a branch with leaves attached 

 to it, from ten to twelve inches long.* (Sternberg, 

 Tab. II.) 



Fig. 3. Extremity of another branch, with indications of 

 fructification somewhat resembling a cone. (Stern- 

 berg.) 



Plate 50. V. I. p. 352, et seq. 



Extinct Plants from the Coal Formation. 



Fig. 1. Copied from a sketch by Mr. Sopwith, of the 

 base of a large trunk of Sigillaria standing in 1803, 

 in the cliff at Bog Hall, near Newbiggin, on the 



* By an error in copying this figure the branches are made too 

 broad in proportion to the leaves. 



