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PROUT—NEW SPECIES OF BRYOZOA. 233 
FenesteLrta Norwooprana. (Prout.) 
Corrallum most probably cyathiform, small and delicate, 
reverse only exposed. 
inal rays large, nearly twice the size of the fenes- 
—— ney granular, seldom ens division trifid at 
"Discpiments short, round, not depressed. 
oe generally sharp, qudtangialan, seldom oval, 
; slightly 1o ger than broad, sixteen or seventeen in the space 
of three Saco: idaigitcdinieal yf eighteen to nineteen in the same 
space transversely. 
Obverse or inner face seen by removing a portion. 
Interstices characterized by a minute, sharp-edged and oc- 
casionally tubercled oe separating two alternate rows of 
large vesicular cells, with small pore openings one to each 
dissépiment, and one to ont fenestrule where regular; some- 
times two to’a fenestrule, te this is an exception to the type. 
Jomparison.— minute and bea ‘species resembles 
the F. cribrosa (Hall), jou. which it is eeneushen by the 
greater number of fenestrules in a given space. Further com- 
IO his m can not be instituted, as Hall did not see the obverse 
hayes. 
—Carboniferous Limestone of dee Mocsisins 
weed to our fiend: Dr. J G. Noro whose isha hase 
‘ errs to our ene Western ¢ 
