APPENDIX. 59 



XII. — OSTRACODA FROM THE ChALK-MARL AT DiDCOT STATION, BeRKS. COLLECTED BY 



T. Rupert Jones, 



Pontocypris Bosquetiana, nov. 

 Bairdia subdoltoidea {Miinster). 

 Cythereis triplicata {Burner). 



— quadrilatera (Bomer). 



— ornatissima-reticulata, nov. 



— ornatissima-nuda, nov. 

 Cytheridea perforata (Bomer). 

 OytheropteroD concentricum (Beuss). 

 Cytherella ovata {B.omer). 



— Muensteri (Bomer). 



(See ' Proceed. Geol. Assoc.,' vol. xi, 1889, p. 198, for a geological notice of the neighbourhood 

 of Didcot by Mr. A. J. Jukes-Browne, F.G.S.) 



XIII. — Additional Ostracoda from the " Detritus " at Charing, Kent. Col- 

 lected BY T. Rupert Jones. 



Cythereis ornatissima-reticulata, nov. 



— ornatissima-paupera, nov. 



X.IV. — Ostracoda from the " Upper Greensand " (Phosphate-bed), Cambridge. 

 Enumerated by Dr. W. J. Sollas, F.R.S. (' Quart. Journ. Ceol. Soc,' vol. 

 xxviii, 1872, p. 398.) 



Bairdia subdeltoidea (Miinster). 

 Cythereis triplicata (Bomer). 



— quadrilatera (Bomer). 



— ciliata (^e?/,8s)[^ ornatissiraa {Beuss)\ 



Cythere punctatula, Bomer [= Cytheropteron concentricum (Beuss)^ 



— umbonatum, Williamson [= Cytheropteron]. 

 Cytherella truncata (Bosquet) [= C. Muensteri (Bomer)']. 



XV. — Ostracoda from the "Upper G-reensand " (Phosphate-bed), Cambridge. 



Collected by Mr. G. R. Vine, 1889. 



Bairdia subdeltoidea (Miinster). 



— Harrisiana, Jones. 



