ANNIVEESART ADDRESS OF XHE PRESIDEKT. 



li 



Mr. Jones remarks that the numbers in the following Tables are 

 liable to modification with further research. 



Species t of Foraminifera found in both 

 the Atlantic mud and the Chalk of 

 England and Europe. 



Other, older Formations in which 

 they are also found. 



£1 

 ^1 





a 5 

 Jo 



ts s e 



ft ^ s 



bn 



''Glandulina l^vigata, J)' Orhigny . 



Nodosaria radicula, Unn 



raphanus, i/^»^?^ 



gj™i ■{ Dentalina communis, Z)" Ori 



Cristellaria cultrata, ikfoK it 



rotulata, Lam 



crepidula, F.^ M. 



Lagena sulcata, W. i^ J. 



globosa, Montag 



Poly morphina lactea, W. ^J. 



communis, D' Orb 



compressa, D'Orb 



Orbignii, Ehr 



Globigerina buUoides, Z>' Orb 



Planorbulina lobatula, W. S^ J. 



Pulvinulina Micheliana, Z)' Orb 



I "^ a f Spiroplecta biformis, P. ^ J. 

 gi^ ■£ J Verneuilina triquetra, v. M. .. 

 "s «g ~ [ polystropha, Ess 



Besides the above, Bulimina {Bolivina) punctata, D'Orb., is found 

 in the Atlantic mud and in the Upper Jurassic, and Nodosarina 

 (J)entalina) pauperata, D'Orb., occurs in the Atlantic mud as well as 

 in the Lower Jurassic and the Upper Trias. 



Number of Species of Foraminifera common to the Atlantic Mud arid 

 to the several undermentioned Geological Formations in England. 



Total in 

 the deep 

 Atlantic. 



Common to the following Formations. 



Crag. 



London 

 Clay. 



Chalk. 



Upper 

 Jurassic. 



Lower 

 Jurassic. 



Ehsetic & 

 Upper 

 Trias. 



Permian 



strata. 



Carbo- 

 niferous 

 strata. 



110 



53t 



28§ 



19 



711 



7|| 



7 



] 



1 



t Accepted species and noticeable varieties. 



J There are 12 other species in more recent beds. 



§ The total in the Lower Tertiaries is 36. 



II Common to both Upper and Lower Jurassic, 9. 



