272 



Antediluvian Zoology and Botany, 



Among these 

 deposits few are 

 so rich in zoo- 

 phytes as the 

 crag, and none 

 have been so 

 much neglected. 

 As most of these 

 bodies have never 

 been noticed be- 

 fore, we are in- 

 duced to devote 

 a larger space 

 than this branch 

 of zoology would otherwise be entitled to. They belong to a 

 class not capable of easy identification, and are introduced here 

 more for the purpose of attracting naturalists to their better 

 consideration, than with the expectation of clearing up the 



a, Retfirara? 

 6e/, E'schara. 

 c c, Turbinblia. 



- Sarclnula angulkris of Dr. Fleming.. It is similar to the porpital 

 madreporite. Org. Rem. pi. vii. fig. 3. From Dadley limestone. 

 FavosUes alveolata, Parkinson's Introductivn, p. 69. 



obscurities which attend them. Several species may be traced 

 referable to the genera »Sp6ngia ? Sertularia, Flustra, E'schara, 

 Caryophyllae a ? Retipora, Millepora, Turbinolia, Corallina? 



Fig.Ql. A spherical 

 body, of which great 

 abundance exists in 

 some localities ; varying 

 from the size of a pea 

 nearly to a hen's egg. 

 External surface co- 

 vered with minute cy- 

 lindrical pores. Interior 

 construction exhibits 

 numerous fine tubes, 

 radiating to the ex- 

 ternal cells or pores. 



