THE OSTEOLOGY OF ELOTHERIUM. oe 
theless, very much reduced. The proximal end is laterally compressed and very narrow, 
but retains considerable antero-posterior extent, and bears a narrow, obliquely placed and 
slightly convex facet for the tibia. The shaft tapers and becomes exceedingly thin and 
delicate, though of very irregular shape; distally the shaft thickens much in the fore~ 
and-aft diameter, but remains very narrow. The distal end forms a large external mal- 
leolus, but continues to be very narrow. The malleolus projects inward beneath the 
tibia and has a narrow facet which presents proximally and articulates with the facet, 
already mentioned, on the distal face of the tibia. The astragalar facet is quite large, 
extending for almost the whole thickness of the malleolus and curving downward in 
front ; the caleaneal facet, which occupies the entire distal end of the fibula, is narrow, but 
has a very considerable antero-posterior extension. On the outer side of the malleolus are 
two deeply incised sulci for the peroneal tendons. In Sus the fibula is very much stouter 
and less reduced than in Hlotheriwm, while the distal end is less enlarged and does not 
extend beneath the tibia. The fibula of Hippopotamus is relatively very slender, but it 
differs from that of the White River genus in having a smaller proximal and yery much 
larger distal end. 
Measurements. 
IPall Wits} SIGH Nscosccs000cbo9o ce codsc0codsosacocosdoDEDSOGODHINdOSdasaonOAodoaSobODSdHSoaGoCoNoaSUANESUNESEaEDBBN0NE000 0.495 
Relvismantero-Vateniormbrend bivecesesecesesaseseonceteneesec nee eee ee ereeeee tee tece ee een CeCe meron 395 
Relvismbpreadtbyabrace tab ulllumlecserrsecs snes esertnastcseccaeseh ees e hese ceeeoee steer eee tee eeeee eee eeereeeeee 191 
WMA, TEEN socescoonoso0dgocdondo0ndegonsHO05N0 noaoDOGAoHSbOOAODSEHSoSOAOSEHAaERSCGaGNSAgsCEDADvsOaS woodUoSoseCDRCS C 280 
UNTER, GAGE ESI H WAKEIUN -occososacs0b nqnong 900K sEsaDNOOBO CbodDODHDoEDocabASCOODISEReADUESq5O .cdodenosedbeoenSodacsS 197 
Ischium, length 215 
(OVD TERNIOW MOTTA, US IYGLN. ooes05cee eacda0ce Boocdo200 sono ccosaconcHGonSQooRHEasHRUDOOD saaKSODS eooSUCEUNELBLOCE .094 
SHON ASIS, IGT  socooces noape2a5030060c—s3000 abanSaaN DooDacoSonONCASSocoNEACEBABAEOOX-BoaRdo9DESODEGLOCdODESONE .190 
IRemmMITAR, Wey EED dco pacosdqo0 nonn soos ooNNdODEoOdNdONDND antOcUDoOOSaEHOODN OR SoGNSaOOKEsa0NC donSodenDEnSDEDBeEDEodOI—BEC 405 
Femur, breadth proximal end 115 
Werrawne, Jonenelin Chisel Gravel, caspaccooasecqoQ0ede 2oDSoDSodDooSEHoDoAaCDoSODED BoROSDNCaDboAdH paoOSHOOBOCOnOoMNBSHONCS .100 
BemurmohickmessdistalW en de..ccsces-scmnciemsereeransacsscnseelsnensranaheeaasiscseesseeresceseeeretarcaseocerchs 103 
Femur, breadth of trochlea... 
Pate llawyerhicalydiame beleescneaseassesessesstenseciascecseees=etaseere tech aeeee resp eseeee Cae eC a ores we usences .107 
Patella mbranSverse) Glam CleLeeeseseseseseccerse sence /rassoreaceneertenaeesese sees steer eceseceerceececeser sees .056 
ARH a, Tenet Meco qccodscopscHococsencocoooacHsc0E0 sq po5cDBoSCoSoHobOdHoSccODoCpopsHENEADndOdOOSECHEDEACCONDONIAeOII0N 338 
Tibia, breadth proximal end... -092 
MibiassbnreadcMudistallwemd ceecsew ste cesceesl oasce (isa cseldestncnseGhcrmeereleresetecesseree ser eteseeeiercareseer .063 
ibrar hicknessspLroxdmallenCeecncseaneeccsonetactnashacsecretenceeteeteeteseresstenereste taser enereca essere es .088 
Tibia, thickness distal end........:...seecseeeeeeeee FEE EdH bonneboods se0G0 Gectabeoc SecbaroNcocEuEe Ro saeoLoosecen 054 
TOL, Weta pococcoescegchc0n9se60000050008 600000009500000500020000 1onosaSsodNc oe sabSooHNS “innaanodogaasecHCoNgNEeaCes .305 
Fibula, breadth proximal end.............cc:sseeeseeeeeees pooscoocdoonDcdcD sonabDDeDOGEDADOONDSGOESOSNOSODAENNS 012 
En pula bread thedistaluendesccrmectscscessensecrencinccceceteesmrertecteeseet eee sse nec eneesceeeseee see ceerenes -016 
Fibula, thickness proximal end 023 
Fibula, thickness distal end...........-..-...12-+++- “opedooen occSoOSobScéncbcebastbecHeoSodtooasHeccoegocHoEe -040 
