FROM THE GAULT. 31 



List op Upper Greensand Corals from Haldon. 



[ 1. Placosmilia cuneiformis, Ed. and H. 



2. „ Parkinsoni, „ 



3. „ magnifica, Duncan. 



4. Peplosmilia depressa, E. de Fromentel. 



5. Astroccenia decapliylla, Ed. and H. 



6. Isastrcea Haldonensis, Duncan. 



Peplosmilia Austeni, Ed. and H., and Favia stricfa, Ed. and H., are also found at 

 Haldon. They have been already noticed as Upper Greensand forms. 



n. — Corals from the Gatjlt. 



Only six well-marked species of Corals were known to MM. Milne-Edwards and 

 Jules Haime as having been found in the Gault. They were all simple or solitary forms, 

 and such as one would expect to find in moderately deep water. It is evident that the 

 area occupied by the English Gault was not the Coral tract of the period. The resem- 

 blance of the Coral-faunas of the Gault and the London Clay is somewhat remarkable, 

 and probably the physical conditions of the area during the deposition of the strata were 

 not very dissimilar. 



The following pages contain the descriptions of some species which were not known to 

 MM. Milne-Edwards and Jules Haime, and some notices of the most important forms 

 they described. 



MADBJEPOBABIA AP0B08A. 

 Eamtly— TURBINOLID^. 



Sub-family — Caryophtllin^. 



Diviaioti — CaryophylliacejE. 



Genus — Caryophyllia. 



MM. Milne-Edwards and Jules Haime have changed the generic term Cyatliina into 

 that of its predecessor Caryophyllia ; consequently Cyatliina Boioerhanhi, Ed. and H., is 

 now called Caryophyllia Bowerbanki, Ed. and H. ('Hist. Nat. des Corall.,' vol. ii, p. 18). 



