90 



A. RO PII OIK 'h. 



Hyracodon uM r ï>exT> coBepiueHno «.noinaAinioe» ôokoboc koiibixo. 



Equiâae. — y Hippctrion KonwTue (îonoBuxt na.«»neirb EteCHMMeTpHTOoe, TpeyrojibHoe, yaicoe 11 ^jihhhog. 



Tapirus. — HeciiMMeTpusHoe, juiinHoe koiiijto ci. pe^ymipominHoM BHyTpeHHefl Macïtio; no HapyatBOMy oiep- 

 ïaHiio oieHt noxowe Ha Hipparion'a, ho cycTanHaa noBepxHocri> nonepHyra napy>ny, t. e. khju. paciiojiojKCni. Hé 

 no A-!inHi ooii kocxh, a bkocb, Tant *ito proc. extensorius pacnoJiojKeHt He na cpejuifrli y3Kofi cxopoHBi, icaut y 

 Hipparion'a, a Ha yr.iy mokay y3i;oiï n niupoKOîi croponaïun. 



MeraKapnajiLHafl KOCTb cpeAHaro najibH,a, xaKinnx> oôpa30Mb, bt> 3na i iHTejihHoii iwbpBOTJiH- 

 qaexca ott> nocopora CBoefi npaBUJibHOH, cnjibiio Bbixanyxon bx> A-fluny <i>opMOH, Koxopaa Hano- 

 MUHaerL ApeBH'Enmiix'L Khinocerotidae (mojkho oxivrBxnxb, Kant qepxy cxoACXBa cx> nocoporoMi», 

 oxeocnxejibHO cnjibHoe pa3Bnxie na iipoKcniuajibHOMrL Konirf> sKxajibuaro oTpocTKa, cpt3biBaeMaro 

 cycTaBHOÎi noBepxHocïbio A-na os imciforme), ho necexx. h JioniaAHiibia qepxbi: BbinyKJiaa ne- 

 peAHfla cTopona, njiocKaa BepxHaa cycxaBHaa noBepxriocTb. Fopa3AO ôjHace kt> Hocopory 

 CTpoeHie jncTajibHofi cycxaBHoâ noBepxHOCTii. HHxepecuo, ixo y Hyracodon KOCTb HM r feexx> 

 rhoh habitns, n ropa3AO (xMbine cxoACXBa nocxb HHApnKoxepia o6napy>KHBaexT> cb TanupoMi. 



BoKOBbiH MexanoAin oxjmqatoxca bt> sHaxnxejbHOH M'Êp-fe oxt Bcfext npe-AcxaBHxejien hoco- 

 poroBiD (a xaKJKe xannpa) CBoeio cnjnoineHHOio bx> carHTrajbHonn. HanpaBjeirin <i>opMOK>; bx> 

 3xomx> oxHOinemn OH r È npioôptixaioxi) bt> ropa3AO ôojibiuen cxeuenn, qfeMT> Mc in , habitus 

 kocxh npeACxaBBxe.ieâ ceM. Equidae; ho HHJKHaa cycxaBHaa noBepxeocxb HanpaBJieHa, KaKT> y 

 Hocopora, BnepeAt, xorAa KaKX. y Hipparion'a OHa iianpaBjeea HasaAt. CycxaBHbia noBepx- 

 hocxh hm'Biotl H r ÈKOxopbifl CBoeo6pa3Hbia qepxbi : OAHHapHaa cycxaBHaa iiJionxaAKa Mc ni — 

 Mc IV h y3Kaa ropasoHxajibHaa a-kh Mc in — Mc u , 



Hxo Kacaexca naxaro najibija, xo ero MexaKapnajibHaa KOcxoïKa ne HMXiexB snaiema bï> 

 KaqecxB'Ê cpaBHaxejibHaro Maxepiaia, KaKX. Kocxb peAynHpyfoiiraaca. 



nepBLia AB'fe <i>ajiaHrH cpeAHaro najibHa no CBoei He3HaqnxejibH0H amu'Ê ne HM'Eiox r b ce6f> 

 paBHBixi)- cpeji,H HenapHOKonbixHbixx.. no njocKHiurb cycxaBHbiMi) noBepxHocxHMx- nepBoii hoxho- 



CHXeJIbHO HJOCKHMX> BXOpOH OHÈ XaKJKe OXJIHqaiGXCH OXT> BCEXXj 4>0pMX>. Bo BCflKOMT» cjryïa'E, Ha 

 3XHXX> KOCXBX'L H'BXl. p'BHIHXeJIbHO «JIOHJaAHHblXXj» npH3HaK0BX.; HaoôopoxTb, MOÎKHO CKa3aXb, HXO 



3xr kocxh HSM-EHHJiHCb bxj oôpaxHOMX> HanpaBjieHin, h cxoaxx> no xy cxopony nocopora. 



nocjif>AHaa <i>ajiaHra cpe^Haro najbHa, KonbixHaa, xanase Becbivia cBoeoôpa3Ha. njiocKaa 

 h HH3Kaa, ona xapaKxepH3yexca HeoôLiqaËHo BbixaHyxbiMH bx. cxopoHti yriaMa jiHMÔa; xanoe 

 oxHoraenie Meat^y jihm6omx> h x"bjiomxj kocxh mm BCxp'BMaeivix y OAHOKonbixHbixij, o^naKO, y jo- 

 inaiH oômaa 4>opwa kocxh coBepmeHHO HHaa. BpaAx> jih, OAHaKo, mohîho roBopnxb o «JomaAH- 

 hwxxj» ripH3iiaKaxx Konbixa HHApaKOxepia m> xomx> CMbicut, Kanx> 3xo roBopnxx> Kaup 1 ) oôx. 

 Aceratheri^. 



^ajaHrn 6oKOBbixt najibneBL ôojte hbcxbghho hochxl Hocopoatiîi xapaKxepx, ho 3HaqH- 

 xejibHO yKopoqeHbi, — bt> ocoôeHHocxn pb n , — 3aMXîXH0 Kocxe, h cycxaBHbia noBepxHoexa hxi 

 njionxe. 3xh ABa hocji'bahhxx npH3HaKa HMbiox'b yate «jiomaAiiHbin» xapaKxepL, ho y Hippa- 

 rion'a 3XH KOCXH T0pa3A0 A-IHHHEe. 



1) Kaup, I., Descriptions d'oss. fossiles, Darmstadt, 1832, p. 58, pl. XV, fig. 7. 



