76 



A. BOl'IÏCHKt. 



Hyracodon. — KocTb B'b oôin.eMt ïïMtera> Hocopoîidiï habitas, tojtèko o'ieiib BbiTjrayTa Bt 

 BLicoTy; aa^Hifi orpocTOKi oaeHb ôo-nbinoiï. Kt> coîKajrâraiiq, omicaHie ne^ocTaTOiiio no/ipoGno. 

 h Khrh OTA'B.ïbHaro n3o6paaîema 3toh kocth; Tant, no onncaiiiro, Bepxaaa iiOBepxiiocrb necerb 

 npocTO BtinyKJbia 1 ) (einfach-convex) cycraBBi.ia noBepxaocTii ;aa lun. h cim. h nocjrBAiiaii 

 ôojibuie. CycTaBHaa noBepxnocTb jyia Mc v pacnciiaraeTca Ha ABCTajibHOH CTopoirfe B'b ofimem, 

 pa^y ci. Mc m n Mc IV — t. e., Kaicb y Hocopora 2 ), n bt> OTjinqie OTb anApaKorepia, y KOToparo 

 sajmaa CTopoHa njiocKaa, h cycTaBiiaa noBepxnocTb ajih Mc v JiejKHTB na nea, nonra rioji'b 

 npaMbBfb yrjiOMi Kb Mc iv . 



CoBepcueHHO hhoS habitus iiMiert uocTb jioinaj;» ( i ito6u Hafiin HEKOTopoe cxoactbo, ee Ha^o «nepeBep- 

 hjti,»). Hii/KHia cycTaBHua noBepxHOCTH ajih Mc t n n Mc t v pacuojraraioTCfi Ha imockoB HHH<Heiî cropoH'B, jj,.ih 

 os magnum — Ha nepneHAiiKy.inpHO ia> hiim-l pacnojioweHHOu BnyïpeHHeîi, a BepxHÙi cycTaBHbiH noBepxHOCTH cny- 

 CKatoTca Ha 3axHK)H) cTopoHy kocth no uii.iiiHjipH'iecKoa noBepxHOCTH. TaicHMb o6pa30Mi> He Hapyatuan, a BHyrpeH- 

 HflH CTopoHa (coiJteHHK)in,aacH cb os magnum) MOCKaa. 3anmS OTpocTorci, Heôo.ubuiofi. 



Palaeosyops. — Hocopowbaro Twua kocti., ho cii.ibHO BUiHHyTa wl, wniHy, bï> cbh3h ci> pa3BimeM-i> V najibua, 

 crcTaBHaa noBepxHOCTb KOToparo HaupaBJieHa bhh3i>. IIo CBoeii niocrcoS <Popsife n ropH30H'rajibHOMy no-aoKemio 

 ustiieT'B MHoro o6tu,aro ci. iiHApiiKOTepieurt. 



y manupa KOCTb iiMten. Hoeopowifi xapaKTept, ho oneHb cmibHO BbiTHuyia bt> BbicoTy. BepxHÎH cycTaBHbia 

 noBepxHOCTH muiiHApii'iecKia. CycTaBHaii noBepxuocTb ,h,jiji Mer, Raio. y Hocopora. 



Bbime (cTp. 67) nepeqacjienbi OTjinaaTejibHbia aepTbi carpus imapnKOTepia. Uucifornie h 

 scaphoideum He coupanacaioTca cbohmh BHyTpeHHHMH KOHn,aMii, h Haamia cycxaBHbia noBepxHOCTH 

 lunatum noiTH paBHbi meTKjiy co6ok>; 3to ojumKO He HBiaeTca pesyjibTaTOM'b Henojmaro 

 CMtmeaia KOCTen carpus 3 ), no aojiîkho 6biTb oô^acHeHO naciyn-ieHieMi oôpaïnaro nx r b 

 pa3flBHrania, ôiaro^apa HeoSbiaaimoMy jua HoeoporoBi, pocTy os magnum, Tain. KaK-b 

 cycTa.BHbia noBepxeocTH sc.-mgn. n l.-u. nepaBHbi a nepBaa 3naqaTejibHO npeBOcxo,a,aT'b 

 pa3M r fepaMH BTopyio. 



3th npH3HaKH, HecoMH'ÊHHO, HaxoAHTca B'b CBH3H cb qpe3BbiaaaHbiMi> pa3BBTieM , b cpe^Haro 

 najibna 3a caerb peAyHHpyionraxca 6oKOBbixT>, nepeivi'Eui.eHHbix'b yaîe 3Ha<îHTejibH0 Hasajrb. 



B'b caMOMi> jrKjrfc, KaK-b nsB-fecTHO, nponeccb ôoKOBoro CM-femema KapnajibBbix'b KOCToqeK'b 

 HaHÔoji'fee THnHaHO h HaaôoJi'fee nojiHO Bbipaaceaij y Tpexnajibix'b ^opsi-b, y KOTopbix-b cpe^Hin 

 najien'b nôiyiHj'b npeoÔJia^aiomie pa3Mtpbi, ho <t>yHKnioHHpyK>T'b xaKate a ôoKOBbie. CaituieHie 

 BbipaacaeTca ape3BbiaaaHsiM'b pasBHTiewb unciforme a scaphoideum, KOTOpbia B'b Koant 

 KonnoB-b, y Haaôoi'Be AH**epeHnapoBaHBbix'b «topm-b, conpaKacaioTca cbohmb BHyTpeaHHMa 

 KOHnaniH, h B'b pe3yjbTarB os lunatum, y ApeEUBauiaxT) *opMi, (Phenacodus) onnpaBmaaca Ha 

 os magnum, 0Ka3biBaeTca CM-Bui,eHHon Ha os unciforme, Tor^a Kaa-b ea m-ècto 3aHaMaerb 

 BHyTpeHHiii Koaen'b os scaphoideum. Pa3JinqHbi» cra^ia axoro nponecca xopomo npeji.cTaBJiaHDT'b 



1) y Epiaceratherium ohb cBa,jioo6pa3Hbia, Kait-B 

 y HHApiiKOTepia; y Hocopora — n,n.THHApiiiecKia (cm. 

 Bbiuie). 



2) H y Epiaceratherium. 



3) OTHOuieme lunatum ht, magnum n unciforme 



MOJKHO 6bIJ10 6bl pa3CMaTpHBaTb, KaK"B npiIMHTHBHyiO 



CTaAiro, aHajiorii'iHyio, Hanp., Haô.noAaeMOÎI y Trigo- 



nias, y KOToparo TaK^e cycTaBBbm noBepxHOCTH l.-u. 

 h l.-m. hohth paBHbi, Tor^a KaKTb y Mion.eHOBbixt au,e- 

 paTepieBi. se. n uncif. y>ne conpiiuacaiOTCfl cbohmii 

 BHyTpeHHHMH KOHHasni. Ho y Trigonias mgn. ipesBbi- 

 HafiHO Heôo.ibuiHX'B pa.3M r BpoBi>, Tor^a KaKt y HB^pn- 

 KOTepia 3to o^Ha H3"b caMbix-B KpynHbixi) KOCTeiî 

 (bt> cbh3h et pa3BiiTieMT, cpe^Haro na.ibua). 



