INDRÎCOTHERIUM N. 6EN. 



105 



Koctl HM^erL BbiTflHyTyio TpeyrojiLHyio *opMy, iyocKaa, oahoh boite bbicotbi ci 

 cunéiforme 3. 



Bepxaaa noBepxHOCTfc (8 a) necerb poin6BqecKon «opsibi cjerKa BenpaBHJibHO BonryTyio 

 cycTaBHyio noBepxsocTb ajih naviculare, on KOTopoâ C3a^0 OTA-EJiaeTca Heôojibiuaa njioma.fl.Ka — 

 y3eHbKafl nojiocKa, BB^HMaa h Ha cycTaBHoii noBepxnocTa naviculare. 



Hhjkhhh noBepxHOCTb (8 d) Hecerb Bjocma cycTaBHbia noBepxHOCTH jjjih ^Byxi Mt n h 

 Mt nI , HHoriia pasA'fejieHHbiH He6ojibmnMî> peôpoM-b. 06maa hxt. *opMa — OKpyrjieHHO-Tpeyrojib- 

 Haa, HanoMHHaiomafl noioniBy KonbiTua HByKonbiTHaro, n Kaatflaa bt> oxiiEjjbBocTB — Tpe- 

 yrojibaaa. 



3KTajibHaa ôoKOBaa noBepxHOCTb (8 c), wb nepejuieH aacTH coBepnienHo niocKaa, Hecerb 

 ab-b cycTaBBbixi. noBepxHOCTH, no BepxHeMy n anatHeaiy Kpaio, ajh os cunéiforme 3. 



Ha HapyatHOH CTopon-fe (8 b) caaflH HM-feeTca abï cycTaBHbixi noBepxnocTa ajih cunéi- 

 forme 1. 



Cxodcmea u pa3Auuia. — Y Hocopora 3Ta koctb HurÉerb bt> oôin.eM'b Ty ace *opMy, ho 

 cpaBHHTejbHo ct> cunéiforme 3 oaa 3jifkcb Hpe3BbiaaHH0 MajieHbKaa h, rjiaBHoe, ea Bbicora Soj^e 

 q-BM'b BABoe MeHbme, ntwb cunéiforme 3, — BCJif>.ncTBie HHoro OTHomenia m> Mt: 3Ta koctk 

 y aocopora coajieBaeTca tojbko cb Mt n . BepxHaa cycTaBHaa noBepxHOCTb Tpeyro.ibHaa, HaatHaa 

 HMteTx H3orHyTyK> noBepxHOCTb. CycTaBHbia noBepxHocTB ajjh cunéiforme 3 h cunéiforme 1 

 OAHHapHbia H KpyuHbia. 



Y Hyracodon — cuneif. 2 oqeHb Majiaa kôctb, couieHaiomaaca TOJibKO c-b Mt n . 



Equidae. — y jiomaaH cuneif. 2 h cuneif. 1 cjuiancb h hm-eiott> o6m,yio MHyio 3>op»iy. OrmaKo cuneif. 2 HM-feeT 

 o x HHaKOByio BbicoTy cb cuneif. 3. CycTaBHbia noBepxHOCTH nacTH, cooTB'ETCTBymeH cuneif. 2, y Hippariori'a. 

 TpeyrojibHofi *opMbi, BepxHaa — BorHyTaa, hhjkhhh — jtBOHHaa, flan AByxt Mt, KaKt y HH^pHKOTepiH. 



y Palaeosyops 9Ta KOCTb hoith paBHa cuneif. 3. CoHJieHfleTca TOJibKO et Mt n . 



Tapirus. — CooTHomeHie et cuneif. 3 6jih3KO kt> HH^pHROTepiio, ho couieHaeTca TOJibKO ci> Mt». 



Tarsus, hoaoôho carpus, oôHapysîHBaerb 3naqHTejbeoe ôOKOBoe CM-Biuesie cbohxt> 3Jie- 

 MeHTOB r b — astragalus npHKpbiBaerb BHyTpeBHioio aacTb BepxHen noBepxHOCTH os cuboideum — 

 n wb 3tomt> OTHonjemH Mbi vwkewb SKkcb Ty ate KapTHuy, Kani) y HocoporoBT>, Tor^a KaKi» y 

 Jiomaj;eH h Hyracodontid'-b no nepejiBea cTOpon-E astragalus He npHKacaexca kt> cuboideum. 

 O^HaKO, HecMOTpa Ha 3T0 CM^meaie, cBa3aHHoe ct> pacinapeHieM'b cuboideum, nocj'BAHaa He 

 TOJibKO He conpnKacaeTca c-b TaKHce pacinnpeBBoii BepxHea cycTaBHOH noBepxHOCTbio Mt m , ho 

 MeatAy hhmb BCTaBjiaeTca y3Kaa njiomajiKa cunéiforme 3 — Mt iv . 3thmt> upHSHaKoiwb bhaph- 

 KOTepin OTjaqaeTca h oti> HOCoporoBT>, h OTb JioraaieH, h otl Hyracodontid'^, h npnôJiH- 

 jKaeTca ki> TOMy, mto mu uwbem'b y TanapoBi> (cp. npaMiiaBie Ha cTp. 98). 



H3T> CKa3aHHaro hcho, ito 3aAHaa KHCTb HHApaKOTepia bt> cTpoeHia cBoero tarsus coxpa- 



BaeTT> IipHMHTHBBbie npH3HaKH. 



IlepexoAH Kb xapaKiepHCTaKi oTA^JibHbixi) koctch, Mbi HM'feeMi) astragalus Hocopoatbaro 

 THiia. ho cb enie MeHte AH < ï K i , epeBHHpoBaBBbiM'b 6jiokomt>, HanpaBjjeHBbiM^ BBepxi^-BnepeA'b. Bt> 

 to ace BpeMH cycTaBHbia noBepxHOCTH HaatHen cropoHM nocTpoeHbi cjroata'Ée: c. noBepxHOCTb 



San. *H3.-MaT. Orj. 14 



