22 



A. D. IJAB.10BT>. 



Polyptychites cf. ovatus v, Koenen. 



Ta6j.'IV, our. I. 



JVs |||. M'fecT.; yptoHt-xaa (BfejioflpcKiH yieci), na npaB. 6epery p. Aua6apa; 



KOJij. 6ap. 3. B. TojiJiH IbOS r. 



P a 3 M i p bi : 



/I,iaMeTp% oKOJio 117 mm. 



LUnpHHa jmSo MeacAy oiBaMH okojo 32 » 



Tojimnna oSopoxa okojio 59 » 



Bbicoxa oSopoxa 24 » 



UlnpHna o6opoTa 48 » 



CoxpaHHJIOCb TOJIbKO OKOJO nOJIOBHHbl oSopOXa paKOBHHbl n TO TOJIbKO OAHa XfenaH CTO- 



pona; cb BHyxpeHHeH ciopoHbi 3Toro o6jiOMKa OKasajocb B03MoacHbiMi no.iyiHTb cjitiioK^ 

 60KOBOH H qacTbK) ciT*OHajibHOH CTopoHbi npeAoiecTByioiiiiaro ouopoia (4>ur. 1 c), cJiinoKi, 

 Aawmifi BOBMOHHOCTb cyAHTb CKyjibHTypt Sojie mojioawxtj aKseMnjflpoBT, aioro BDAa. Ilojio- 

 BHHKa oSopoxa, npeACxaBJiHEomaro noBHAHMOMy JKH.iiyK) KaMepy, He ooeapyatHBaexi) HHKaKHXb 

 cj'feAOB'L jionacTHOH jihhIh. ToqHOe bhaoboc oiipeA'feJieHie no xaKOMy Maxepiajiy Kpanae aaxpyA- 

 HHxejibHO xiMT) 5o;ite, hio ajia SjiHatafirnHxi kx, axoMy aMMOHnxy bhaobt> Polyptychites ovatiis 

 V, Koenen u P. costellakis v. Koeneu HeaaBtcxHbi MOJiOAwe oSopoxbi, cooxBixcxByiomie no 

 pa3M'fepaMT> nojiyqeneoMy ct> onacbiBaeMaro 9K3eMnjiflpa cjfenKy BHyipenHflro o6opoxa, koto- 

 pbiMT) no9XOMy n Hejib3a BOcno.Jib30Baxbca A-ia cpaBHeuia. OnacaHHbiH npo*. <i>ouT>-KeHeuoMb 

 3K3eMnjiflp'b P. ovatus npeAcxaBJiaexi C06010 6oite BspocjiyH) *opMy, cKyjiLnxypa Koxopoft 

 ojiHHe Kt ycxLw paKOBnHbi 6bicxpo B3MtHflexcfl bx xomi CMbicjit, ^xo petlpa cxanoBflTCfl pfcA- 

 KHMH H cjaSbiMH, xaK'b "jxo cpaBHCHie B03M0ffiH0 xojbKO CT> ApyroK) nojiOBHHOK) o6opoxa, Aajbuie, 

 oxcxoflm,eK) oxt, ycxba. HacKOJibKo no3BOJiflwxx> cyAnxb pHcynoKi h onncaaie, CKyjibnxypa na 

 3X0H nojiOBHHt 6jiH3K0 cooxBtxcxByexi cKyjibuxypt cnSnpcKaro aKseMnjiapa. Bbicoxa CHSap- 

 cKaro 3K3eMiiJiapa Menbuie, qiwi. repMancKaro, ho Ae*opMHpoBaHHoe cocroaHie repMancKaro 

 3K3eMnjiflpa ne Aaexi yB-fepeHHocxH bx xohhocxh yKa3aHUbix^ Bt ero onncaeiH cooxHomeniH. 



HsoSpaataeMbiH 3A'fecb no cjtnKy Gojte mo.ioaoh ouopoxii CBSnpcKOH 4>opMbi obixb mo- 

 aiexi o5;ieriHxi cpaBHeaie c^ repMaucKOH *opMoo, KorAa h ^m Hea 6yAyxi naHAenbi 060- 

 poTbi cooxBtxcxByK)iii,aro B03BpacTa, a ao xixi) nopi npncyxcxBie na AuaSapt Polyptychites 

 ovatus AOJiHtHO ocxaxbca hoax. coMHtHieMx>. 



/l,pyroK) *opMOK), ch Koxopon mosho c6.iHHcaxb onHCbiBaeMbifi aMM0HHTT>, HBJiaexoi 

 Polyptychites costellatns v. Koenen^), ho sxa <i>opMa oxjinqaexca oxxi aHaSapcKoii oojite ma- 

 poKHMT) yMdo H 6o.ite pisKO BbipaateHHOH CKy.ibnxypon. 



1) Von-Koenen. Die Polyptychites- Arten des Unteren Valanginien. 1909, S. '23, Tuf. IX, Fig. 1 ii 2. 



