— 315 — 



pont, Hâ3BaHHbiS mwb Aulacomya *), pokobhhh, kotopbih ôhjui 

 onneaHBi hsï. JlefiacoBBix'B nopojrB rojiB^ycoMŒ., ËBeHniTepoMt h 

 apyrnMH nojp> HMeHeM'B Posidonia Bronni. Hpo$. Steinmann naen» : 

 cnT>jryioiiiyio xapaKTepncTHKy Aulacomya Bronni Voltz sp.: BBicoTa 

 paKOBHHBi npeoôjiapert Hap> phhoio, TaKt ito o^epiame paKOBHHti 

 HBJiaeTCH He KOcoypHHeHHBiM'B, ho ôoji'Èe nojiyKpy^HBiMt; BBinyKJiocTB 



paKOBHHBI H6CpâBHeHHO SHa^BTeJIBHie, q'EMt y BCflKOË H3BBXTH0H 



Posidonomya. flpHSHaKB, kotopbih HBJiaeica caMBiMT> ouiH^HTejiBHBiM'L 

 pa Aulacomya h oôycjiOBjniBaerB popBoe OTjnrae ea no OTHomeHno 

 Kt Posidonomya, ecTB npncyTCTBie 6opo3Ôu m 3apefi CTopoHT, pa- ! 

 kobhhbi; 6opo3p 8Ta npoxopTB otb MaKymKH ki> yrjiy, o6pa30BaH- 

 HOMy 3apnMt h mmHHMt KpaaMH paKOBHHBI. KoHe*mo, Bct yno- 

 MaHyTBie npH3HaKH Aulacomya pciynHBi HaÔJiiojiieHiio mhib na 

 aKseMnjiapaxi) xopomefi coxpaHHOCTH. OftHaKO npo$. Steinmann He 

 coMH^BaeTca bt> tom^, ™ h pa3pBjieHHBie 9K3eMnjiapBi mi, cjiaH- 

 n^eB'B JleËaca oôJiapaH TaKîKe popBBnrB npnsHaKaM'B — 6opo3pio; 

 ho OHa ho/tb BJiiameMt pBjieHia HC<ie3Jia. ÏÏ3o6pameHHaa npo<J>. 

 IÏÏTyKeHÔeproM'B Posidonomya (Pl. Y, fïg. 9) npepiaBjiaeTB coôoio 

 paKOBHHy bbicotom) bt> 1 1 mm. h phhoh) Bi» 14 mm.; flpyrie npn- 

 3HaKH paKOBHHBI cjiÈjrymûe: KopoTKifi no OTHomeHiio kï> %mwÈ ea ; 

 3âMOiHHi KpaË — 8 mm.; MaKymKa pacnojio?KeHa ÔMate kb nepepeMy 

 Kpaio; paKOBHHa BBiTHHyia b-b kocomœ» HanpaBJieHin; Ha sapen do- 

 pont 1 ea, npn xopomefi cTeneHH coxpaHHOCTH paKOBHHBI, He Bnpo 



6op03JJBI. BcÈ 9TH HpH3HaKH 3aCTaBJiaK)T'B MCHH yTBepîKPTB, TfO 



n3o6paHeHHaa npo$. IÏÏTyKeHÔeproM'B Posidonomya He ecTB Aulaco- 

 mya Bronni Voltz mh Jlefiaca, et KOTopofi oh-b otoîkpctbhjtb cboio 

 Posidonomya. PaKOBHHa 9Ta npnMBiKaerB HecoMHÈHHO wh ikwb Posi- 

 donomya H3t ftorrepa n MauBMa. kotopbih coepHaiOTca ht>kotopbimb 

 âBTopaMH 2 ) Bt bh;tb Posidonomya alpina Gras. Kœ> coîKajrfemK) 

 Moemy, BCjrÈpTBie HepcTâTKâ y aieHa hèkotopbix'b najieoHTOJiorMe- 

 ckhx'b paôorB n OTcyTCTBia cpâBHHTejiBHaro MaTepiaia, a He Mory 

 noKa CKâ3âTB; wb KaKoaiy hmchho BapiaTeTy 3-Toro bhp oTHOCHTca 

 Posidonomya, HafipHHaa npo(]). ïïlTyKenôeproM'B. MoîKerB 6bitb, Posi- 

 donomya 9Ta OKaateTca pâte hobbim-b bhpmœ,, xoth h 6jiH3KocToamnBi'B ; 

 k-b Posidonomya alpina Gras. iïocjrÈpaa BCTp^aeica otb sohbi 

 ïïarpoceras opalinum Reinecke p OKC$opp BCKjnowrejiBHO 3 ). 



*) oMal— 6opo3aa. 



2 ) 1889. W. Kilian. Mission <T Andalousie, page 621. 



1892. Neumayr und Ulig. Ùber die im Kaucasus gesammelten Jurafossilien, ! 

 page 24. 



3 ) id. Neumayr und Ulig. page 24 



