2 TERTIARY ENTOMOSTRACA OF ENGLAND. 



List of the CYriuoiD^ in their Natural Oi;dek. 



Cypris, Miiller, 1785. 

 Cblamydotheca, De Stt'u>isnre, 1858. 

 Cypridea, Bosquet, 1852. (Fossil.) 

 Cyprinotus, Bradij, 188G. 

 Cypridopsis, Brady, 1867. 

 Potamocypris, Brady, 1870. 

 Paracypris, G. 0. Sars, 1806. 

 Phlyctenophora, Brady, 1880. 

 Aglaia, Brady, 1867. 

 Notodromas, Lilljehorg, 1853. 

 Argilloecia, 0. 0. Sors, 1865. 

 Candona, Baird, 1850. 

 Pontocypris, G. 0. Sars, 1865. 

 Macrocypris, Brady, 1867. 

 Bytbocypris, Brady, 1880. 

 Bairdia, M'Coy, 1844. 



List of the CYPEiDiDiE, of Freshwater and of Marine Habitats respectively. 



Freshwater Genera {sometimes Estuarme) : Marine Genera : 



Cypris, Muller, 1785. Paracypris, G. 0. Sars, 1865. 



Chlamydotlieca, De Sanssure, 1858. Phlyctenophora, Brady, 1880. 



Cyprinotus, Brady, 1886. Aglaia, Brady, 1867. 



Cypridopsis, Brady, 1867. Argilloecia, G. 0. Sars, 1865. 



Potamocypris, Brady, 1870. Pontocypris, G. 0. Sars, 1865. 



Notodromas, Lilljehorg, 1853. Macrocypris, Brady, 1867. 



Candona, Baird, 1850. Bythocypris, Brady, 1880. 



Cypridea, Bosquet, 1852. Fossil only. Bairdia, M'Coy, 1844. 



DARWiNULiDiE, represented by the following freshwater genus :' 

 Darwimila, Brady Sf Robertson, 1870 and 1885. 



CYTHERJD^. — These are marine with very few exceptions. 



' Possibly Cyprione, found in tlie Wealden strata (' Quart. Journ. (!eol. Soc.,' vol. xli, 1885, 

 p. 344), belongs to this family. 



