— 121 — 



Nautilus Stschurowskii sp. n. 

 Tab. 1, fig. 11, 11 a. 



PaKOBHHâ noHTH mapoBHjiHaa, ci OKpyrjieHHOH bh'èui- 

 laeH CTOpoeoâ; ycTbe oopM* DO.iyjiyHifl; nynoKi ne 

 npocBepjieHHbiH y aKseMnjiapoBT., cHa6açeHHbixT> paKOBH- 

 HOîi^ CHapyaîH paKOBona yKpameea OKpyrjieHHWMH pe6pa- 

 MH, ocraBJiflioiEiHMH DO c&6% cjitm Ha fljipl&, H paant.ieH- 



HblMH TOHKHMH H^GJIOÔKaMH; DyTb aTHXl peôepi BX Blli- 



iOMT> npeacTaBjaeTca yocBaibiMt h Ha BceMi. opoTasKe- 

 BÎH OTT» ojiHoro nyHKa m npyroMy jitJiaeT'b Tpn rjiaBHwxi 

 yrjia; o^hhx m% hhxt» pacnojiOHtefli Ha BH-finiHeil cto- 

 poH'B, H oôpameHi BepHKiHOîf HasaiT., a jiBa jtpyrnx-b na 

 6oKaxi paKOBHHbi, CT» BepmnnaMH nanpaBJieHHbiMH Bne- 

 pejii H jiejKamnMH H'feCKOJibKO 6jinme nyany, tBmx 

 îiepH*epiH. Beipa ainx^ ôoKOBbixT» yocB-b ne npaiaojiH- 

 eeHHbi, a cocTaBneHbi SHrsarooôpasHbiMH JiOMaHHbiMH jih- 

 eiaMH. MoJioiibie BKaeMnjiapbi hm'ëiott» rjiaaKyio paKOBHHy; 

 peôpa 3Ke noaBiaioTca TOJibKO na uojiobhh'B npe;ioocji'6ji- 

 Hflro oôopoTa. Y H3o6paaîeHHaro aKaeMQjiapa na MtCT'fe 

 oyoKa saMliHaeTca BOBBbimeHHbm yTOJimeHHwîî ujiOTHbiîî 

 ctoji6hkt>, npejiCTaBJiaiomiîî coôoio EOJryMejiJiio, cootb-ët- 

 CTByiomyK) HîHJiOH KaMep-fe; ho Tarn» KaKi» bi jiaHHOM^ cjiy- 

 qat nocjiîijiHaa oÔJiOMana, to noaiOMy ocraBuiinca ctoji- 

 deqT> H nojiyiHJi'b aie ueHopMa.ii,Hoe noJiojKenie, npnjiaK)- 

 mee paKOBHflt poraibm Buxh. 



PasMïbpu panoeunu: 



JiaMeTp-b HscjE'fejioBaHHaro BKseMHJiapa. . . 95 mm. 



Hawôojibraaff TOJimHHa ero 85 mm. 



M-fecTO CHo^ona (no Meioi* Pictet) 0.38 mm. 



PaacToaaie MoîKjiy neperopojiKaMH na na- 



HapyaîHoK CTopoH'fe 14 mm. 



