12 



A. ftOl'HCjlKÏ.. 



Btopom yiowHOKopeHHoii (xa6.n. II, <i>nr. 1) niufcen. xpeyrojibuoe oiepiame: napyainafl h 

 3aji,Hfl}i crfcHKH npaMLm, oopasyioii) meatAy coooiï yroji. neimioro Meiibiue upniuoro; nepeAimn 

 (u nnjKHîifi) jiyroo6pa3iio 3aKpyrjiena; BHyxpeininï yrojrL 3aKpyrjem>. 



Hapy/Ktiaa crÉima iiaKJioiiena BHyrpb, npnqei«T> sajuian ea nacxb Haïuoeeiia irkcKOJibKo 

 Oojite nepeAHea. Ha impyjKHoii cxopoiiB OHa necen> aBciBemibia BOJinooôpasHbin ciuaji,Kn, 

 nepeAHWK) u 3aAHK)K>, u et BHyxpeniieîi cxopoubi nepenîiiMy MejK^y CKJiaAKaiwi cooxBbxcxByerb 

 Tanoa >Ke nepeJKiiM'b. TaKiiMx. o6pa30M'b, cobepuieano nBCXBeiuio HaurBnaioxcn protoconus u tri- 

 toconus (pue. 1), Koxopbie u na BepxHGMt i-pak crfeiiK» pa3A'kJieHbi iie6oJibuinivrc> noBiiaceniesn) en. 

 KpoMB Toro ria BapyjKiion cxopouk HBcxBeinio oxrpaHMneixb xaiîiiM'b ace nepeiKiiMonrb KopoxKiii 

 para stylus, Bepmmia KOToparo iiOAHHMaexcn jnmib neMiioniMb Bbiine nojiOBiiHbi blicotbi 3y6a; 

 K30AU otl tritocou'a oxiunypoBbiBaexcn Ha BepxHen nacxn cxrhkh xaKJKe neôojibiuaa CKjjaAO<Hîa. 



Ha BHyTpeiiHea exopoufc 3y6a ero BHyxpeiuiiH yroxb samiMaeTt nonxn npaBHJibiio kouh- 

 •iecKiii deuterocouus, jnmib c.ieiKa ciuiomeinibiii bt> naiipaBjeiUH, iiapaJje.n.no.Mb nepeAueii 

 ct'bhk'e, h neivmoro na.KJioiieiiiibiH Biiy rpb 3y6a. Br.icoxa ero 3naqnxejbiio weiibine bbicoxm 3aAiien 



CrfcHKH. 



no iiaupaBjeniio kx> deuterocon'y, baoib nepeAueii cxopoubi, paciiojaraexca protoconulus 

 bl biia'I; neoojibuioiî ctbhkii, cjierKa no Ajrk H3ornyToii, cl BbmyiUbiM'L BepxHHMT. KpaeMT>, 

 îipirjeM'i. nanûojibijiaa BbicoTa iipiiujHîKeiia in> BiiyxpeHiie.My Kpaio 3y6a; ona jnnub o'ienb He.Miio- 

 raMï» Meiibiue bi>icoxi>i deuterocon'a. Ci. HapyatHOH cxopoubi cxniiKa r.îa,u<aa, cl Biivipenuen 

 ona npeACTaBjaert HeôojibiHoe B3Ayxie y BiiyxpeHHiiro ceoero KOHna. 



3aAHiii rpe6enb npeACxaBJieHi. HeOojbmiiM r b iuockhatl lunuoiwb, tritoconuFoM-b, bbicotoio 

 utcKOJibKO 6oxfee nojOBniibi deuterocon'a, pacnojiarawui.iiiMca irÊcKOJibKO koco — oxb n,enxpa 

 tritocou'a kx nepe^HCMy Kpaw deuterocon'a. 



Bc'Ê BepiiimiKH oiiHcaiinbiX'L rpeôuen h GyropKoin. hmêioxx c.ierKa yTO.uu,eHHoe n syô- 

 Maxoe cxpoeHie. 



Ho Bcen OKpyjKHOcxii 3y6x necexx BOJiHoo6pa3no ii3rn6aioiiLMCH BopoxmrieKx xaK/Ke 3y6- 

 l iaxaro cxpoeHin; iiaiiMeirÊe oirb BbipaîKeHT, Ha napyaŒoîî cxopoH-E, ta'b hii3K0 cnycKaercfl Kt 

 caMOMy ocuoBaniio KopoiiKii (wb cpeAHeii nacxii napyîKHoiî cx r BHKii oht, oôJioniaHX mh oxcyx- 

 cxByexT)). 



3Majib HM'feext cxpyflqaxoe cxpoenie h3t> BepxnKajibHbixi., aHacxoM03iipyioni,iixx., miorAa 

 BtepooôpasHO pacxoAaui,Hxcfl cxpyeiri, h nepecIiKaiomiixi, hxt> ropH30HxajibHbix'L (BOJiHOo6pa3HO 

 iisoriiyxbixT,). nocjiÊAHia na 3xomï> 3y6 r fc Rparae cjiaôo Bbipa/Keiua, xor^a KaKt Ha Apyruxx. (P 3 ) 

 orient pejibe*no, iiomxh saxmeBan nepBbm. 



Tpeiïii jiojHHOKopeHHoiï (xaô.ii. II, *nr. 2). — KopoHKa OKpyrjienHo-xpaneuoHAa.ibnaro o i iep- 

 xania: iiapyîKiiaa, 3aAHHH h BHyxpeHHaa cfehkh pacuojiojKeHbi iiohxh no^x npaMbiMii ymaaiu, 

 iiepeAinm H'BCKOJibKO oxKJioiieaa HiiyxpeHHiiMi, kohh.om'l Hasa^Tb, T&Kh Kaiii, BHyxpeiiHHH cxf.HKa 

 Kopo'ie napyjKHOH. 



HapyatiiaH crbiiKa npeAcTaBjmexi. rh me ocodeiniocxii, i ixn u y npea&iAymaro ayôa: 

 HaKioiieiia Bnyxpb (sa^Hifi en Koneux naiaoïieirL (fcwrJke-, 1 i;bm'L nepejMiiâ) n (•ôuapynaiBaeri. 



