Bt ae SPP ee Pee TE, Te EE ee eR me eT Meg ee Tre) MSP ergh iit aetet i atte i See eet an Se Oe Eee eels Smee pape ae eee mee Tere NT ee eee ce 
i 3 . ae ine ak Liat ee ee ee Oe ee 
* = D _ i ia i a i a ks os i oe 
PROUT—BRYOZOA, 3D SERIES. 445 
lens a delicate flustra; beneath this crust the fenestrules are 
worn, 
but round and ~_ ular when more perfect, with a keel form- 
Pate, supported by the lines of tubercles. When stripped of 
rust, the keel appears to be a beautiful chain line of tu- 
bers with with aline of poreson either side, as in other species 
en 
Seltaes short, thick, and deeply depressed, —— 
tin 
Ste rse 
longitudinally give 8 to 9, and ae shout 10 10 ctl 
fenestrules. 
Cells large, about sd to each fenestrule, looking upward 
to the plane of expansio 
Reverse minutely prawns when oie striate when worn; 
with several — near the base 
Geol. Pos. and Loc-—Second Archimedes Limestone of 
the Ciioniferous series, = scan St. Louis Coun- 
ty, Mo. In my own collection. i 6 
This beautiful species re ates oe somewhat the Hemitrypa 
cewlata of Phillips (Pal. Fos.), but differs materially in hay- 
ing the cells on the inside of the Bryozoum, in the entire 
Gamers “ the fenestrules to the reverse, and in a other 
ot assigned to his — = resembles F. 7. Archi- 
medes (Hall, but is distinetly pedicled. eos 
GENUS LIMARIA, Steininger. 
Syn. Ceramopora, Hall. 
_ Bryozoum small ramous, or large anerasting, sometimes in 
henigperi flattened forms, or in plates su 
heaths arra arranged in irregular alternating reating 
apertures archi 6rti th : shore cells nu- 
prea penetrating 5 the sheath to wav g long 
awe oe — " tion of which forms th the thickened ass 
cell-s sel : 
PS wee have here associated the Ceramopora of of Hall with» 
the Limaria of Steininger, modifying the — descrip- 
