APPENDIX. 57 



Cytherella ovata (Bdmer). 



— Muensteri (Burner). 



— Williamsoniana, Jones. 



(' Ann. Mag. Nat. Hist.,' ser. 2, vol. xii, 1853, pp. 240—242.) 



VIII.— Additional Ostracoda prom the Chalk op the South-east of England 

 (Kent). Collected by T. Rupeet Jones. 



Cythereis ornatissima (Beuss). 

 Cytherella obovata, sp. nov. 



— subreniformis, sp. nov. 



IX. — OSTRACODE PROM A ChALK-PLINT IN THE MiTCHAM GrAVEL. COLLECTED BY Dr. 



G-. C. Wallich. 

 Cytheropteron umbonatum-longispinatum, nov. 



X. — Ostracoda from the Chalk, North-west op Kemsing, near Sevenoaks, Kent. 



Collected by Mr. F. Chapman. 



Bairdia subcleltoidea {Miinster). 

 Cytheropteron alatum {Bosquet), var. 

 Cytherella ovata {Burner). 



— Muensteri {Bdmer). 



XI. — Ostracoda from the Chalk-rock op Bedfordshire, Buckinghamshire, and 

 Oxfordshire; from Material supplied by Mr. A. J. Jukes-Browne, F.G.S., 

 and Mr. J. Rhodes. 



1. Chalk-rock; Dunstable (Bedfordshire). 



Bairdia subdeltoidea (Miinster). Common. 



— Harrisiana ? {Jones). 

 Macrocypris concinna, nov. 

 Bythocypris silicula {Jones), and var. Not uncommon. 



— Brownei, nov. 



— Roemeriana, nov. 

 Cythere Harrisiana, Jones. 



