Antediluvian Zoology and Botany. 



70 



277 



Briarean Pentacrinite. A fragment from the Lias. Pentacrinites Briareu*. 



Organic Remains^ adopted the classification of Leske; but 

 subsequently, in the Introduction to the Study of Fossils, pur- 

 sued the more perfect system of Lamarck. 



This arrangement we have endeavoured to illustrate by the 

 following Table : — 



RADIANT A. 



Order ^CHI'NIDiE. 

 Divisions. 



r 



Emmeso'stomi. 

 Mouth central in base. 



I. Anocysti. 

 Vent in the vertex. 



II. PLEirROCY'STI. 



Vent in the side. 



III. Catocysti. 

 Vent in the base. 



Apomeso'stomt. 



Mouth towards the margin 



of base. 



Classes. 



IV. Pleurocy'sti. 

 Vent in the side. 



These 13 genera are represented in the following figures, and their names, 

 localities, and strata are given below : — 



