74 F. A. SMITT, 



Depth at 

 Florida, in Other localities, as yet known, and annotations. 



fathoms. 



Fara. CellulariesB 



Gen. Cellularia 



C. pusilla 68 f. 



C. cornigera 270 f. 



C. cervicornis 7 — 17 f. Australia. 



Gen. Caberea 



C. retiformis 68 — 270 f. Patagonia?. Scarcely to separate from tlie Cab. arachnoides in the 



Australian sea. 



Gen. Nellia 



N. oculata 13— 138 f. Australia. 



Fara. BicellariesB 

 Gen. Halophila 



H. Johnstonire 16 1 / 2 f. Australia. 



Gen. Bugula 



B. flabellata 16V 2 f. Britain etc. 



Fam. Cellarieae 

 Gen. Cellaria 



G. temtirostris 52 — 68 f. Nearest allied are the Cell. malvin.ensis, corresponding it at the Falk- 

 land-Islands, and the Cell. Johnsoni at Madeira. 



Fara. MembraniporidiB 



Gen. Membranipora 



M. lineata 42 f. Spitzbergen, North-Atlantic, Peru, Bolivia. 



M. irregularis 60 f. Falkland-Islands. Membr. galedta, as tlie typical form of this group 



at the Falkland-Islands, corresponds to the Membr. unicornis in the 



North-Atlantic. 



M. sigillata 262—270 f. 



M. canariensis 10 — 44 f. Mediterranean, Madeira; tertiary fossil in the coralline crag. 



Gen. Membraniporella 



M. Agassizii 450 f. Its nearest allied, Escharipora filiformis, one fossil in the cretaceous 



period. 



Gen. Farcimia 



F. cereus 270 f. 



Gen. Mollia 



M. patellaria 36 f. Mediterranean. 



M. antiqua 29 — 44 f. Madeira. 



Fam. Microporidae 



Gen. Micropora 

 M. coriacea 36 — 135 f. Britain, Mediterranean (?), Peru (?). 



Gen. Cupularia 



C. umbellata 7 — 29 f. Madeira; fossil in the cretaceous and the crag-formations. 



Gen. Steginoporella 



St. elegans 15 — 37 f. Abrolhos Islet (south-tropical Atlantic at America), Algoa-bay; tertiary 



fossil in France. 

 St. Kozierii ? Rio-Janeiro, Red-Sea. 



Fam. Biflustrida? 

 Gen. Biflustra 



B. Lacroixii 13 — 60 f. Patagonia, Mediterranean (?). 



