12 PEOCEEDINGS OF THE NATIONAL MUSEUM VOL.72 



Floridina antiqua Smitt, 1873. 



Floridinella parvula, new species. 



Floridinella typica, new species. 



Gemellipora glabra Smitt, 1873. 



Gephyrotes spinosum, new species. 



Hincksina periporosa, new species. 



Hippoporina cleidostoma Smitt, 1873. 



Holoporella albirostris Smitt, 1873. 



Holoporella vagans Busk, 1885. 



Lagenipora verrucosa, new species. 



Lepralia palliolata, new species. 



Mamillopora cupula Smitt, 1873. 



Mastigophora pesanseris Smitt, 1873. 



Mastigophora porosa Smitt, 1873. 



Mecynoecia deflexa Smitt, 1872. 



Metrarabdoios unguiculatum, new species. 



Microporella ciliata Linnaeus, 1759. 



Micropora coriacea Esper, 1891. 



Oncousoecia arcuata, new species. 



Peristomoecia floridana, new species. 



Plagioecia dispar, new species. 



Puellina innominata, Couch, 1844. 



Schismopora dichotoma Hincks, 1864. 



Schizopodrella incrassata, new species. 



Siphonoporella granulosa, new species. 



Smittina trispinosa spathulata Smitt, 1873. 



Steganoporelia magnilabris Busk, 1854. 



Tremogasterina granulata, new species. 



Trernoschizodina lata Smitt, 1873. 



Trypostega venusta Norman, 1864. 

 D. S662. Western Atlantic; 20° 24' 30" N.; 79° 43' W.; 434 fms.; gray sand 

 and broken shells; March 4, 1886: 



Cellepora minutiporosa, new species. 

 D. B782. OS Chili, South America; 51° 12' 00" S.; 74° 13' 30" W.; 258 fms.; 

 bottom temp. 47.9°; February 6, 1888: 



Nitscheina membranacea Linnaeus, 1766. 

 Cedar Keys, West Coast of Florida (Levy County): 



Hippadenella floridana, new species. 



Rhamphostomella magnirostris, new species. 



Umbonula undulata, new species. 

 Egmont Key, Florida, at entrance to Tampa Bay: 



CrisuUpora orientalis, new species. 



Diaperoecia radicata Kirkpatrick, 1888. 



Mecynoecia deflexa Smitt, 1872. 



PLIOCENE BRYOZOA OF PANAMA 



The great antiquity of the Gulf fauna is exemplified in the fossil 

 bryozoa from Bocas Island, Panama, the study of which is incorpo- 

 rated in the present work. This collection, originally submitted to us 

 for age determination, proved upon detailed study to contain so many 

 recent species that we pronounced these fossils as Pleistocene. We 



