110 NOri'.S ON i;i,'l\N IM.ANI'S — I'KMI ALLOW. 



HhUiu'OIcm HihmIiih. m|.. m.\ . I'l. \. I'ij'. S(/; I'l. \i. l"i.;. S/i. 



This is it'itrcscntctl l»v Mu" I w <• s|»«>ciiin'iis, Nos. I(» ;iihI .">(», wliicli ,\V{\ 

 iintloiil)lrtll V oiil V Itiriiis ol" {\\v s;mi(* s|M'cit's. In No. I(>, lli(> IVoiid is 

 (liclioloiiioiis, (li\ isiuiis liiMMir. Lsuj^tM' inimili l.'.'jr> lo •I""" broad, llir h'r- 

 iiiinal niimili Of> lo l..""i""" lu'oad. I )i\«ml;('im'(* of iiu'iiiImm's .'U» ' (o TjO^"". 

 (\>sla(«' I IniMiulioiil, maruiiis sliicl. 



In No. ■»<lilio iVoMtl is (licliolomiis, divisions liiu'ar, I'liiicipal raimili 

 ,'?""" \vi(l(\ iillimal<> divisions 1'""" or N^ss, l>i\(>r^(Mic(^ of (In* larj4(>r 

 nuMubtas aboni ll\orilir smaller divisions 'J(l ' lo .50 ' ;iiid 10'. Cos- 

 lal(Mliron<;lionl, margins icmilar. 



No. 1(> was id(adill«>d bv LosqntMonv as a narrow Ibrni «>! //. PalKn- 

 tidiiis, lull I llniilv IIh> dil1(aoiic(> looj4i(>al. 



ll.iliMiM itivi cluuidi ifoi min. M|). ii(i\ . I'l. \1, I'lt;. !•. 



No. !> is a s|)(Mam(Mi w liicli |>it<s(Mils, al lirsl vsi<;li(. \«>ry pocailiar 

 roalnij^s. II is sonuMvliat itMiiarkabU* for lli<> widiMlix (M\mMic(> ol' its 

 |Miiici|»al iiuMnbtMS, for an appanail slipi* ami llu' pciailiar ronn ol' ou<^ 

 ol" ils cliii'l'divisions. On ('los(> (>\amination, il is s(mmi Dial IIi(M)(]um*- 

 \vis(« r«\niilar division i»r llio iVinid is disliirb(Ml by an abnoniial <iro\vlh 

 in on»M>rils principal si'nincnls. Tlu^appariMd s(ip(> rtvsolvrs ils(>ir inio 

 \\\o iniilrib, Troni wliicli llu> inaii^iiial parls liav(^ bctMi moi'(M)r l(>ss com- 

 pl(»loly s(>paral«Ml b\ d(Ma>, as is ob\ ions iVoin d(>ta»'lu'd Train'iutMits 

 wliit'li Ii»* alon.u' (\U'li side. Tlu* midrib ilscll" is promimail as a do- 

 prossiMJ lino, sliowinj;' llu^ ('ollapsi'of what, was oii,i;inaIly a soim>\vliat 

 bulky slnn'lnri\ bill il scorns lodisapp(>ar sliorlly allcv |)assin<;- into tlu> 

 moil" cspandiiiii" portions ol' lln> frond. A dclailcd «>\aininalion shows 

 a dicliotomons rrcmd, di\isions lim>ar, somcliimvs broadtaiinj;' upward, 

 Tniicipal an.n'hvs W '; lhos(» of I 1m^ nltimah^ divisions 10 ' t<» '>.'»', chitMly 

 h^r\ K'amnli 'J to.'?""" w id<v Midrib ob\ ions, biM'omiiii;- \<My promiiuMd 

 in llu> basal portions. iMar.uin rt\unlar. 



The mai oral r«'aliircsori his I'ossil ar(> clos(>ly i'cpi(>scnlcd amonu inodtan 

 al,ua>b,\ llitlistris <l<li(-<i(iiltt Lamoiir.,bnl much moi<> clos(>l\ b\ H.ihitl- 

 Irri, whii'li shows the same narrow, slip*' like bas(> willi the ("liomlri 

 I'ormis di\isioiis of i lu* principal |>arl of Ihc frond. 



nictyotitivi {.ifu-iolvis. sjt. MOV. I'l. \i. I'ii;. lOn; I'l. \u, I'ii;. H>/i. 



In No. l!> tlu< fronds anMlicholomous, divisions immcrons and nar- 

 rowly lim'ai'. I. ."»""" witlc. formin5: a im>r(> or less tnfl«>d mass. Primary 

 «li\isioiis foitlii^ mosi pari obscnr«\ bnl ob\ ionsjy bilid. the lob«>s short 

 and rounded. 



In lliis fossil the narrow ramnli ar«' so mass(>d ;is lo obstain^ Hie nor 

 mal division, but iVom llu> haininal ions i)\' the raiiiuli il is probably 

 safe lo riMcr il lo nicfi/i'dtrs. all lionuh tin* slal»> «>f prest>r\ alion do(>s not 

 admit of (bMtMinininj; Iht^ presmuo o[' a midrib. Its whole aspeit is so 



