v MEMOlIi UPON THE GENUS 
JiOO -v • * 
.. . i for nuiscular attacliment ; this is particularly true of the portion 
fXrutaliiiKly naig i ^ „u,ich is covered with a strong rugose prominence for 
of thi- shaft in the collection are from the anterior thoracic 
1 lit 1 ,vhich is one of the most anterior of the series, the 
-'•P';”' : '.'T::';;'! , ■ .ea lie tuberculum. The facete of the head are 
, a ^ "hlilcly placed to one another ae in RMuocero. The 
uillTuir rl-t i. very large and forms a perfect semi-eirde equally placed on both 
s i., ..r .he e.,.l ..f the -halt. In Rhinocerm th.s facet is limited more near y to 
le side Tivo „l her iiroxiiiial portions of ribs in the collection, winch are probably 
Ilie fourth ..r tilth, show .... appro..ch of their proximal facets and, coiTespondmg 
,|.,plv ex.-avat.al taeet .... the transverse process of the dorsal, the tuber- 
eular f..<-e. i. very large, ciuvex and placed nearly alright angles to the axis of the 
Hhalt In tli.‘ HhiiuK-oros on the other hand, the tubercular facet is perfectly flat 
,„h 1 xvrv ohli.iuely placed. As witli the more anterior ribs the fourth and fifth 
l.ave th’e faeots of tlie head in continuity. The total length of the shaft of the 5tli 
rib was from ■lO-'lo cm. 
. MK.vsruKMKNTS OK VkktebRs ^: of P. paludosus — Conttfmed. 
Ihirmtit. 
l,g-nKtll of InuIv of litl ilontfll 
llrltflil of ImhIv of IkI tlorital 
Wltlili of ifniutviw imM-twi*. 
M. 
•040 
•047 
•170 
Kli-viilioii of of .‘Inl tlomil 
WhIiIi imiut itrofjt. ofllrtl ilomil 
WhIiIi of |H»tfri<ir artiniUr |inK». of muiie 
l,/'n4tiii of itplno ofAlh tlomil ii1m>vp IxhIv 
I srnulli of ImniiVrnH' |irtK-o»*xtH 
• l.iO 
• 1.10 
•052 
•115 
•104 
.Vo to^w. 
larnjfth of Uxl y ........... "047 
To««l wltlth of mil. «rtic. jirtHiwiw ... ..... •037 
lartittlli ■I'tnit laniiiin .......... 'OOS 
VrTllr»l hi'iitlil of ix»l- artlc. pnioiwH'* 023 
.Vo. lO;f7S. 
larnitllt «if Ixwly ........... 051 
Isrnitlli of lamina inrluditiK nrtic. pmcx. ........ •Oil 
lioitflil of iMwi. artic. |>nic alxive IkxIv ........ ^035 
Tttlal wiillli of anterior artio. procf). . ^042 
of ml•ta)•o|■ll^•am .......... -032 
Strrum .Vo /0^4S. 
Ttaal Irnmli ............ 150 
iinmlrat wiilih anloriorly .......... -112 
WMth of cl’ntniiii in front ..... -045 
WMih of cvntnuii lioliinti ..... 015 
(imunil Vfiiii^l hfiKht • . . . .070 
