MATA. 



2 CrCLOSTOlUATA. 



Prof. Smitt ill his two papers on the order C'yclostomata*. It is 

 shown in the following 



JSi/noptical Arrangeinent of Recent Pohizoa Ci/clostomata. 



. /< ■ -J \ Crisia. 



^Aktuilata Cr,md<e | Crisidia. 



(Hornera. 

 Retihornera. 

 Pustulopora. 

 ._ I rif ''''■ 



(TUBVUNEA.. -i' iTubuhpora. 



\ y JVlesentenpora 



I j Discoporella. 



U.NARTUUUATA. ^ \l)i,coj,orellidm A Radiopora. 



\ -Uomopora. 

 I \_ Defrancia. 



I Fasciculinea. FrondiiJorid<B .< -f^ -,. '^ 

 ^ \h ronclipora. 



Suborder II. CYCLOSTOMATA. 



Cells tubular, calcareous, partially free or wholly 

 connate; aperture terminal, not furnished with a 

 movable lip or fringe. 



Cyclostomata, Busk, Smitt, Sfc. 



Tubiiliporina, M.-Edw., Hagenow, Johnston, Sfc. 



Aiiloporina (pars), Elirh. 



Myrioporiua (pars), Ehrb. 



Cerioporina (pars), Bronn. 



Centrifuginea (pars), D'Orb. 



I. C. ARTICULATA s. RADIO ATA. 



Zoariura divided into distinct internodes by flexible joints, 

 attached by radical tubes. 

 One family only. 



Radicellata, UOrh. 



Articulatis .<. Radicatse, Bk. Crag Polyz. p. 92. 



* " Kritisk Forteckning ofver Skandin.-ivien.s Haf's-Eryozoer, 1864 & 1865," 

 Ofvers. af Kongl. Vetenskiips-Akademiens Forhandl. 1865, p. 115, & 1866, 

 p. 395. 



