ON FOSSIL roLV/OA. 



151 



dij^ora 



, Tal. 



>> 



» 



>) 



s--{'ii('(' iiorouH. Zniiciii. disposed in nidiiit itii.^ liiit'S, coiiHisiinpf of oiio or 

 nioi'i' sorit's, on tlio IVcu cxlroiiiity ol tlu; stum oi" lobes.* — lliiicks, p. IHI. 



l;!S, DiiMni'dKA STETJ.ATA, (loldf. ; Ifiiicks, p. '181; (■{oliif. ' Potrcfac' 

 i, p. ;il>, pi. XXX. >ii^. \'1 = Slil/fi>tirn s/rHnfn, Hug. ' IWy. Alacsh' 

 p. U-= Drfnnirik sf>-lhil,i. Itciiss, ' FosH. I'ol'. Wicii. T.' '.\7, 

 ])\. vi. fig. 2 ; Miui/oiii, ' Uri. Foss. Mioc. d'Aiist.' 



luiiiijo. — ' In Htnitis nreiioso-nuirtrucois,' Wcstphaliin (Cloldf.) ; Anstro- 

 ilurijr- (.MiiTizoiii) ; V'ioiiiiii, Masiii (IUmiss). 



13'.>. DniiANciA DisrniiA, JliiL,niio\v (n with smooth iutor.spaccs), 

 Till). IV. <itr 1. 



110, ])i;i'i;,\N-('iA Midi i;i, INT, „ 



Tiih. IV. tig. r,. 



111. DiaiiANcrA cocnt.oiDKA, „ 



Tab. IV. lig. H. 

 1 i-2 ])i;iT!AN('tA DiAKKMA, Ooldl'. (/:? wit)i porous intov.spaccs, Ilag.), 



Tab. IV. fig. !>:{ =i(U'rini>,mi ibid., Goldf. 

 It:'. Dr;i-i!ANTiA Kirncrr.ATA, Hag. (ft with porou.s interspaces, Hag.), 



Tab. IV. fig. t. 



1 11. I)i;i'l!A\CIA l'ARIO.SA, „ „ ,, ,, 



Tab. IV. iig. C. 



II-'). I)i:it;axcia SKi.r.iT.A, „ ,, „ „ 



Tal). IV. Iig. 7. 



Ji'm/v'.- Tli(> first and fourth of Ifagenow's spooics arc fonnd both 

 nk, ^lacstricht and l'"alkenberg, tlio rest aru ^laestrielit. ]>nfk, ' Brit. !Mus. 

 (!at ' p(. iii. p. ;!•'), gives 1). trnttada, Jameson, as a lleccnt Northern foi-m, 

 and he gives Ccrlapniui stcllttfa, (loldf., as a synonym. 



This is the end of ilic cla'ssitieation of the Cyclostoniata, so far as 

 .Air. llinck.s givos any details. JJut Mr. IJusk, in his 'III. Brit. ISIns. 

 Catalogue,' admits the following. 



Family VI. Fiiovdipokid.i:, Smitt. 



= FuHcu-uUncrr and Fuscif/cn'df, D'Orb.; T\-(HHliii(iri(J(f nnd Cori)mbo])oridcp., 

 Smitt; Cci-iii^inridd; Busk; C e r /(qiar in a, llagcnow. 



' Zoarliini massive, stipitato, simple or lohed, or ramose. Zocxia 

 connate, aggregated into fasciculi, and continuous throughout the length 

 ol' the fasciculus, at th.c extrmiity of which only they open ; walls of 

 cells porous; no intermediate pores or cancelli.' 



Fascici [,ii'Oi!A, sp., arc found in the Juras.sic strata, and Frojjdipoka. 

 also arc probably as old as the Chalk; but in this Ileport I can give no 

 details respecting the species. 



Part II. — llinloricid Lalmirs oh tlic Croup, 

 Cretacfiol-s Polyzoa (Pt. ii. Foreign Species), 



Sec Cketaceoi'S Polyzoa (Pt. i. Brit. Species), Brit. Assoc. Rep. Foss. 

 Polyz. (mihi), 1883. 



It is impossible at the present time, and with our present knowledge, 

 to comprehend the full meaning of the grouping of the Fossil Polyzoa by 

 the older naturalists. The genera were few in number and not always 

 well defined, so that the history of any special group is, comparatively 

 t-peaking, the history of advancing knowledge — not, however, based upon 



