11(1 ACriNI,!'- <>1' AMtATIvOSS KX rLOKATM )NS M'M IMvlv'K 11. 



I'ninily A NTI 1 1: A I ) i:. 



Tlu' limiliil ions of ( his lainily proposed l>y \l. Ilcilwii; ('S"_!) seem Sii(,- 

 ist'ncloi'y and will l>t' ;i(lop(«'<l licic 



(Minis ACTINIA, I, inn. 



II s»M'ms diMiltli'id w hctlicr sncli dcliiiil ions as .\ ndrrs ('S.i) proposes 

 ran be iiiainlaiiird I'orlln' m-ncia . I (7/;n'<( and A iiciiKiiiid. II may l»(\ 

 perhaps, l)cl In- lo unite all llielornisor llie^e i^cnera wiiicli possess 

 acroiha^^i nnder llie iicnns .{(•liiiia, lea\iii,u' llH)se deslitnte ol' sneli 

 shnelni-es and wil hon( a (listiiM-i collar and fosse in tlic j^enns Ant mo- 



5. Actiniii iiife<-unil.i, m>ni. nov . 



ri;il.' \\i, l"i,n. 17. 



Synonym: i'ltnidili^ tlniirllitirn. Ilcrt. (iion Kiinji). 

 NoH. '.I.")?, I7!>!l, Altidllin.s Ih!:mi(Is. Two ,s|u'(inMMiN. 



Tlie I•esenddaln•(^ ol" I hese I'oiins ((► (hai described by llcilwi^ as 

 ('(nmttils JliKft Ili/trK isNcry n'lcal, and il scen)s almost, certain Ihal Micy 

 ai'c idcniical w illi il. They ar(^ sonn-whal. smaller, nn'asniin.ii' O.'Jo"" in 

 luMj^lil, with a (lianicler al. tUv bas(> of O.o"", and al the maruin ofO.T'"'. 

 Tlic sphin«'(er mnscle dilleis iVomtlu^ li,^nl•(^ ,-;iv«'n by 1 bal \vi,u (\S'J) 

 only ill beinu" a liMlc bi(»atlcr, and (h(^ radial mnscles of the disk havo 

 Hie Cerianthan appearance which llerlwii; nicnlions. Tin" siphono 

 ,<;lyplies art> not well delined lhon;;h easily made ont in sect ions, and 

 have as nsnal dii'ecli\(> nM'.s«>nteii(>s conin'cl(>d with tiiem. 



,\ll the mes«Mdcries appear to be perfect, thonuh the yonnj.'(>st, cycle 

 aic clearly maiKcd out in sections l>elo\v tlu» inid«Ih^«tf the stomato 

 daMim by Ix'in.i; nnnh narro\v«M' t han the mcsenleriesof t lM^ other eyeless, 

 all of which avo abt>nt tlu^ sanu' width, so that a |)air of broad inest>n 

 l(>iies alternates rei;nlar!y with a nairow paii\ I tbnnd indications ot 

 rciirodui'tivt* oi-jnans, I>nt lli(>o\awtM'e few in ninnber, lhonjj;h fairly 

 lavije, and api>cared to occur in a few of the laimr perfect mes«>nt(M'ies. 

 Ilei'twiu did not snc»-eed in lindiu.u reprodncli\c cleun>nts in tin' speci 

 men lie examined, and considt'red il !her(>forc tt» i>c immatnre. Since, 

 iiow(>\cr, tin* sptM'im«Mis wliiclj 1 haxeslndicd possess o\ a and yet ai'c 

 smaller than licit wiu's s|)t>cinHMi it sciMiis probal>l(> that the latter is to 

 be consiibrcd mat iirc. 



()iic lutcrcsliiiu hisloloi^ical pccniiaiily I hav«> obstM'ved in this foini 

 may lie imaitioned. It is in ccmncclitm with the strnclnre of tht^ upper 

 part of lh(> mesenterial lilanuMils. TIh" nuvsoj^hea has as a rule only a 

 few scatttMiMJ t'clls, but. in the processes which support the median and 

 lattMal portions of the lilameni in its upper part t lie «'ells b(>come ex 

 e(>edini;ly nnmcrons, rioscly packed lom't her in I ii(> t hickened mcsoi;hea. 



