No. 4.] 



nri-r.rNr.>* — f»N posmr.s. 



235 



L'S 



111 



III 

 111 



U 



18 



■ — 8. Z. OKNITIVA. — Cor.»!luiii turbimitc, oiirvcd. ('X|mniliiig to 



a \vi<ltli of 21 liiu^s in tt Iciiirth of 4A inches, Stirtacn with a 



few loniuloil folds of urowtli. iSeptal striso S or i) in tlio width 



•of ;» linos at the Iviso; in tlif nppi'i- part wlifiv tlio siirfaco is 



•perfi'ct tlu> striio ar« n(»t visible* ^in the spt-fimon exnininod). but 



wliore a little worn tlior ,• aro about in .> lines, indicating both 



tlio 1 irj;(! and small septi; or /> when! only llio. lapj;c septa aro 



repivsi-ntcd. At a »liaiiKti.'r of IS liins there itp; .')(> lar«:;e septa, 



l! oi- 7 lin.s in depth; w.inc of tliciji iv.i.di ui-ar^v to the c(!iitre. 



TIk! small si'pta ;ire two tr (liive lines in deplii. The bottom of 



tln! Clip is MiMiotli witli a slightly elevated, Idw pyr. iiiidal eolu- 



nii'lla, forniini; a low ridut; in the direction of a lino dr.iwii 



tlirouiih the fossettc. The latter is lar<;e, ovate, the smallui* ex- 



.tromlty jMinfini;' outwards. Oeours in the ('ornilbrouK. ', 



' .9. /. sKijiiKi r.\. — (.'I'la'Uun -<» iiewlrvt sh-aiu,!it, flexiious, 

 jrradually expanding;- to •» di.uueter ni' "1] lines in a l''n<;th of 

 inches. Siirl'ae" witli r<Miiiir'd I'oMs (»!' urowtli .iiid a low broad 

 undulations. Septal fetri.-e !• in the width of l'> lines at the base, 

 becoming; wider and more indisiinct upward.". There are 3H 

 large so)»ta at a diainet'T of 18 lines, from I» to ') lines in depth ; 

 small sopti, in general from | to I line in iloptli. Occurs in the 

 Corniferoiis. 



("ienuH ITktfuophiikntis (N. G.) d< «. . Af6' So*-^ «/»-*^ • 



Coralluiii simple, turbinate. Oalice large with a well definea 

 soptil fossetle, the bottom either smooth or with a pseudocolu- 

 mella.^!^ iSepta below the calico sharp-edged, often with their 

 inner edges twistdl together; above the Hoor of the caliee they 

 are usually rounded, especially on approaohing the margin. 

 There is ap])arently only a single truiLSVcrse diuphrugni, and this 

 forms the floor of the cup. " ' 



**- This genus is intended to include (more especially) such 

 species as //. sputtomi, II. c.rcrlhuH and some of tiiose referred to 

 11, itt'ulijiiii .' (^Ziiphrentix pvolijiot ). 



\l 10. H.si'ATiosA. — This species I have heretofore called /f'fy>/t- 

 rentis spxtiona. It is a short, rapidly ixpanding s[tecies. Lengtli 

 of the typical specimen .'5 inches, witlth at the margin 2^ inches, 



• For the sake of brevity, I hIiuII lieifuf'tcr iiiiike am' of thu word 

 ^colunirlla. 



■ ■■ • ■ .••\ 



