XKW ANI. I-rlTI.E KNOWN PALEOZOIC 
, ....I I . /«/*«•/ ol- St. Jolu, (I. C-., v„l. VI), From the Iir,t.,.a,„rd it 
d,ir.-n.i,. i.. R-.iir..n„ in. to I' -.■iiurirruL.r b«.se, and the ,, oases, on ol two 
instoul oI- Fn.„. C. in/ercodatm it differs m the absence 
of ,li.iii.et rhlB.- ..r I Hie nhsoiceor tnlKro,sit,e.s ol the lulenorsiir- 
fa.-.- of III.- Ikiih- In C. /uJJerit tin* is ol’ lenticular outline, and in C eccentri- 
tm ll i- .-xnivat.Hl U-low. clmnicters not seen in any of the teeth of C. 
r<mformt% 1 alioiil.l. however, have hesitated to add another name to the list of 
.I»vi.-«..r lliiatfemis liut for the interest which attiudies to some portions of the 
im'.tiii|Ntiiyiiii{ skeh'tiiii. to which 1 will now devote a short space. 
The rrniiiiiiii is too imirh .-nished to fnrni.sh nstdul information. There is no 
inu-e «»r apiiH-. sin-h as .H-curs in Xetiacatiihus. Posterior to it the muneroiis 
Ill* ,if the hyoid nn-hes show that the epihranchials terminate in free acute 
alsive. as in n-.-ent sharks. Then* is a scapuloeoracoid which has nnich the 
form of thni of X*Hiu>tnf/ius, as ilescrihed by Fritsch in his admirable inonofiraph 
of this i.-.-iiiis ' Knnii tin* external aiiple of thi.s element there extends the elongate 
MX is of the |H-.-ionil fill It is not conipletelv se<rniented, the anterior portion being 
by .•.inlinnons gniniilar ossification. The |M)sU*rior border is divided eomb- 
like int.i iiiiiiH-runs short divisions, with s«pian-iy truncate extremities, which appear 
to hax-e siiiiiMirtiHl the hiisiil eh-ineiits of the fin, although but few ba.sal segments 
liavi’ l■•«•n im-m-rvisl. nn)l but I wo of them appear to be in place. They are much 
tiion* •l.-ii'l.-r ihnn the triineiit.- articular faet-s. and the two referred to articulate 
with n •iiiitl.- one of the lfilt«*r. 
.MK.X.SfKKMK.VTS. 
.MM. 
5 
10 
6 
12-5 
9-5 
12-5 
LSO 
170 
m, .h.nl.. .1^'. X’"'""'-' •<> !'• K- •JelliH'--, t» " I™'" 
OIIODI S .Virip.... 
is-t l-lMic XVII I. Kl«*. .W. 
tenor half of the |l•||gtll of *ii*fish '*1 ^odeshurg, Illinois, contains the an- 
niM*. t»r Iht- .•|.•nlellts of tl -If.!*. as a granular carbonaceous 
«»e ••d.> Ar«' disiiiicilv oiitliti I *i ***!*' "*’t'>dibular and scapular archesof 
• .he dc.titio,, i, preserved h. c 
l».Mm..|..n...f Us., of i.s.il, No. I ‘ '‘Utei-oposterior; 
1 transverse ; 
l>iiiin..|..rs <.f lms..or i.M.ih X„. 2 «"tero|K)sterior; 
I transver.se ; 
Klevnli.>n of eniwn of No. .'5 ; 
Is-iiclli of Inis., of N„. 
Is iiKth ..f h.ng,.r hraiicli of S4.upul<H.oraeoid ; 
Is-nptli .if nxisof |Ns.|oml fin; 
Width of arliculntion .if Imsihir oii axis • 
I cm.- til,. 
U-liK. Uor iVrinforinationi. JJoehmens 
con- 
Band III, Heft I. 
