PHYSICAL GEOLOGY. 193 



Foraminifera, and states that this is not the case with the Irish Green- 

 sand. The actual shells of Foraminifera occur plentifully and unin- 

 jured in English Greensand, whilst the glauconite-grains of Irish 

 Greensand show no real resemblance to Foraminifera. W. W. 



War die, Thomas. Annual Address, 1873. On Limestone, its Oc- 

 currence, Mature, and Origin. JV. JStaff. Field Club Pcipers, 

 pp. 26-51. 



Wollaston, G. H. On Nodules and Concretions. Trans. Clifton 

 Coll. Sci: Soc. vol. ii. pt. 1, p. 79 (Abstract). 



See also : — 



Doelter, Dr. C, and Dr. R. Hoernes. Chemical Origin of Dolomite : 

 p. 210. 



1875. 



