88 BEITISH CHAEOPHYTA. 



CAIN OZOIC— continued. 



OLIGOCENE— confrnwec^. 



Sannoisian (Hamstead Beds) : 



C. helicteres, Brongn., C. tuherculata, Lyell, C. Escheri, 

 Braun {fide Heer), Tolypellx, spp. (indet.)- 

 Sannoisiaii (?) : 



G. petrolei and C. variabilis, Andreae. 

 Firmitian (or Stampian) : 



C. Brongniarti, Braun, C.medicaginula, Brongn., C. depref^sa, 

 Wat. 



OLIGOCENE or MIOCENE. 

 Aquitanian : 



C.Boulleti, Unger, C. Brongniarti, Braun, C.£sc/ier(, Braun, 

 C. granulifera, Heer, C. helicteres, Brongn., C. iiicon- 

 spicua, Braun, C. medicaginula, Brongn., C. Meriani, 

 Braun, C.prisca, Ung., C. EocJiettiana, Heer, C. Bollei, 

 Ung., C. Sadleri, ting., ? C. stiriaca, Ung., ? C. 

 Schiihleri, Ung. 



MIOCENE. 



Burdigalian and Helvetian : 



? C. Bernouillii, Braun, ? C. Beussiana, Ettingsh. 

 Tortonian ((Eningen Beds) : 



0. Blassiana, Heer, C. dubia, Braun, C. Zolleriana, Heer. 

 Miocene of Hayti : 



C. Woodringi, Berry. 

 Florissant Beds : 



C. peritula, Cockerell. 



PLIOCENE. 

 Plaisancian : 



? O. Zoberbieri, Fritsch. 

 Cromerian : 



? Nitellopsis obtusa, J. Groves, ? C. connivens, Braun, Charge, 

 spp. (indet.). 



PLEISTOCENE. 



Many Cliarophyte remains referable with little doubt to 

 living species. 



The foregoing is to a great extent based on a MS. 

 table drawn up by the late Clement Reid. The paper 

 by MM. DoUfus & Fritel (3) has been followed as regards 

 the range of species in the Paris Basin. 



The generic name Chara has been used in its original 

 and broadest sense, the parts of the plants on which 

 the parent genus has been divided, the coronula and 

 antheridium, not being preserved in the fossils. 



It is not claimed that the table is in any way complete 

 — it has not been practicable to verify all the real or 



