201 

 npported l:ii.T;ill\ t.\ two long, narrow, parallel. 



pi ' i <>ni t he ( K l'..nl -|M\ . ti-. 



llu\le\ consider- this dillerence I.H\\een the pro- 



oxt I-MCM of nvnrrir i III I )< >rl :i lice. 



C. The third kind of pn>-o>i r.-iciini i- e\ hil>it ed l\ Orlln*' 



l>e l:i Heche, the t\|c <!' tin- ui'lin- \ iphot nit lii-. lln\- 

 li-v (li'j. H'.O). It is r.-ilrrMVMii-:. :md is <-. nii|x>cd of concent ric 

 l.'iiiiclhi-. c:i-|| <>)' which c.ui^isi^ ,,|' 111, re- di-po-x-d pcrprii(ii<Mi- 

 l:irl\ to lln- pl.-nir n|' ihc l:iuicll:i ; ihe phr.-i^iiM >coin- i>- \cr\ h>no 

 :md n:in<>\\. :ind the Ll'iini'd e\ lind roid:i I. 



I'rol'osor ||ll\|e\ sil>peels t||;it ;| t In >T< Hl>-||| V \Vel 1-| HTStTX e< 1 



specimen <>r rn'h-nuinii'uihiif \\\\\ some day demonstrate tin- ex- 

 istence.f;i fmirtli kind <>!' pn -< >st nicii in :innnir t In- Ueleninit id;e. 



'The Acanthoteutke* >l' Minister, so IMI- us 1lie\ :n-e known 

 only l>y hooks :ind impressions of soft purts. m.-iy h:i\<- l>een 

 either ttfli'innili'*. or /Ir/i'miio/i-i/fli /x. or /'/r.s/o/r//./A/.s. or IIIMV 

 h.-lVe l>eloiiLfe<| to tile "Vims Ci-ltrim.'" (Ill XLKV.) 



Tlie Livnn-. Belopeltis, \Oltx.. w;i^ i'onnded on tlie pro-ost r:ic;i 

 of /V/r//i///Yfs. 



The ^enns Arl innrti inn.i\ Miller, w.-is t'onndcd on the i:-u:inl^ of 



Px'l<-,iniih'.< :nid Belemnttella, the upper pMi-ts of which hM<l de- 

 <-M\ed. Miid thus presented no t\\\ eohi r CM viiy. ( \\'OODVVARI>. ) 



(M'.IUS BELEMNITES, Lam. 



The>e MIliliiMls. >llp|)osed to liMVe heel) u'l-eu-Ml-ioils. from t he 

 number of their reniMins found in certMin locMlities, wei'e vei'V 

 numerous in specie>. o\'er KM) liM\in^ IKM-II descril>ed from the 

 liM-^ic MIX! cliMlk forniMtions of Knrope. from the dudl 

 Southern IndiM. from the .Junissic <>f the IliinnlMyMs. etc. 



r l'he phrMu-mo<-one i> very delicMte. MIK! its pi'eservMt ion i>> 



usually due to the inflli i-Mt ion of cMlcMreon> spar into its chambers. 



M. d"Orliij-iiy suppose^ tluil the VMriMliim of the ]roportion^ of 

 the u'HMr<l. M- <-omp:nvd with the plirMu-iuMMiin'. ln-in-j 1 sometime- 

 only M liMlf-inch longer tliMii the hitter. Mild smnrlinu-. one or 



two feet. de|)Cll<ls pM ft 1 \ on MIV Mild BCX. 



I>'Oriiu'ny IIMS pre-ented the following scheme of sections and 



-nlt-ect ion- for dividing tile hiru-e nninln-r of Bpeoiefl of /;. 

 g; they IIMVI- lieen LicnerMlly Mdopte<l. 



