EUrOLY20A. 
Pol. 9 
rated by short cylindrical corneous internodes ; orifice of cell with notch 
in lower border ” ; for D. simplex, n. sp., Mauritius; Kirkpatrick, (1) 
p. 73, pi. vii, fig. 1. 
FLU8TR1D^E. 
Here are included : — Eucrateidce, Cellulariidce, Bi cellar iidee, Notamiidm, 
Flustridce, Membraniporidce , G emellariidce, and Farciminariadce of previous 
authors; Jullien, (1) p. 68. 
Carbasea ramosa , n. sp., Orange Bay ; id. t. c. p. 75, pi. iv, figs. 2-4. 
Diachoris hyadesi , D. maxilla , n. spp., Orange Bay ; id. t. c. p. 74, pis. vii, 
figs. 1-3, & xi, fig. 4. 
. Membraniporidac. 
Mcmbranipora defensa , M. marginalis, M. mauritiana ) n. spp., Mauri- 
tius ; Kirkpatrick, (1) p. 74, pis. viii, fig. 8, & vii, figs. 2 & 3. M. 
hyadesi , n. sp., Orange Bay ; Jullibn (1), p. 76, pis. vi, fig. 1, & viii, figs. 
6 & 6 . 
Cribrilinida*:. 
Membraniporella crassicosta , n. sp., St. Lawrence; Hincks, p. 216, 
pi. xiv, fig. 5. 
Opesiulid^, n. fam. 
Andreella , n. g., for Micropora uncifera , Busk ; Jullien, (1) p. 80, pis. 
iv, fig. 9, & xiv, figs. 1-3. 
Microporellidas. 
Stephanophora , n. g. “ Zooecia with semicircular orifice, lower margin 
straight, not dentate, without sinus ; peristome raised posteriorly ; from 
anterior margins of wall thus formed a process is given off on each side, 
uniting in front to form with posterior wall a tubular peristome, incom- 
plete below. From lower margin of peristome a broad branched process 
is given off, uniting with processes from other zooecia to form a secondary 
cribriform roof. Special pore wanting ” ; for S. cribrispinata , n. sp., 
Mauritius ; Kirkpatrick, (1) p. 75, pi. x, fig. 5. 
PORINID,®. 
Anarthropora horrida , n. sp., Mauritius; Kirkpatrick, (1) p. 76, pi. viii, 
fig. 2. 
Porina inversa , Waters, correction regarding the shape of the aperture ; 
W II ITELEGGB (3). 
1888. [vol. xxv.] 
D 11 
