OEM. AciPENSERIDAE.-PsEUDOSCAPHIRHYXÇHUS. 31 I 
OnwcaHie. Ha kohd,^ paraa 2— 4 octpbixb h Kp4nKHXB nmna. 
Ilapa ocTpux't nmnoBB nepe^B rjra3aMH, c"b B03pacT0MB ncne- 
saiomaa; napa — 3a r.na3aMH. Bel} acyHKH oneHb ooTpii. HCadepHBia 
THïïnHKi njiacTHHBaTHR, cb 2 poacKaMH Kaac^aRj Bcero bhcjiomb 16. 
Pbijio oneHb ninpoKoe, aonaTOBHÆHoe, TpeyroabHoe, CHH 3 y cobc^mb 
naocicoe, cHadaceHHoe nosa^H rjia3B octpbimh, CMOTpaHXHMii Ha3a,HB 
mnnaMH. HI^htkh Ha roaoB'ïi naoTHO conpHKacaiOTCR, ho hcho pa3- 
jihhhmbi, He noKpBiTBi Koaceii. Paa3a MajiBr, hxb /ûaMeTpTb co^ep- 
HCHTCH OTB 6 pa3B (y 9K3. ftaHHOH 80 MM.) £0 16 pa3B (y 3K3. 
^jraHOH 550 mm.) bb nrapHHp MeacraasHHHHaro npoMeacyma. Ychkh 
raa^Kie, cpeame ftocraraïOTB nepe^Haro Kpaa pTa (y ôoabnraxB— 
^ame 3axo,n;aTB 3 a nepe^Hiâ Kpan pTa), Kpaimie ycHKH H'ÊcKoabKO 
f n;j[HHH'Ée J ho He socTHraiOTB nepe^Haro Kpaa pTa. BepxHaa ry6a 
nocpe^n npepBaHa, y doalie KpynHBiXB 9K3eMnaapoBB pa3BHTa 
annib bb yraaxB pTa. Hhjkhhh ry6a nocpe^HH'Ê ciibHO npepBaHa. 
Ha ryôaxB h4tb BopcnHOKB. Krkb BepxHaa, r raKB n hh3Khhh 
nejnocTH y MoaoÆBixB nocpe^n cb BBip^SKon, OTcyTCTByramen y 
B3pocjiBix r b. OnepKyaapHaa aca6pa caaôo pa3BHTa, ho Bce ace 3a- 
Mpraa. llaaBaTeabHBin ny3Bipb cpaBHHTeabHO cb flpyrnMH BHÆaMH 
9Toro po^a xopomo pa3BHTB, coAepacnTca 4 2 / 4 pa3a bb æhhhI} ro- 
jtobbi («NI 13191); mHpoKin ductus pneumaticus coe^HHaeTB ero cb 
nnn],eBO^OMB>. Ha3a^n naaBaTeabHBiH riy3Bipb BBiTanyTB bb KproHKO- 
bh^hbih npH 7 i;aTOKB>. PedepB MHoro. 
T-iao Meac^y pa^aMH acyneKB, h Ha 6piox r Ë rycTO noKpbiTO 
oneHb MeaKHMH 3epHBnnKaMH, pacnoaaraiomHMHCH bb npo^oabHBie 
pa,HBr. Bbime 6okobbixb acyneKB, a 3a aHaabHbiMB naaÈHHKOMB n 
Hnace HXB>, pa36pocaHbi OT^abHBra Meaida naacTHHKH. BcP acynKH 
cb tohkhmh, npoAoabHEiMH noaocKaMn. nepBaa cnHHHaa acynna 
tï>cho CBH3aHa cb 3aTEraoHHOH, OHa Hnace BTopon. CaMbra beecoklh 
cnHHHBia acynioi 5., 6., 7-aa. npe^B cnnHHBiMB naaB. o^Ha, yM'ipeH- 
hoh BeaHHHHBi naacT.HHKa, Haaeraiomaa Ha Hanaao naaBHmca. ne- 
pe^Hifî Kpaii ôpionraoro, aHaabHaro n cnnHHoro naaBHHKOBB, a 
paBHO n hhhchhh aonacTb XBOCTOBoro, 3aKpyraeHBi. 
Kocthhoh aynB rpy^Horo naaBH. sobo^bho CH.nbHBin. 3a ananb- 
hhmb OTBepcTieMB o^Ha Han ^b^ napbi HedoabniHXB naacTHHOKB, 
3 a hhmh opa 6oa4e Kpyrmaa, HenapHaa, h, HaKOHen;B, oaHay^aii- 
HeHnaa, Haaeraion];aa Ha Hanaao naaBHHKa. 3a aHaabHBiMB naaBH. 
ÆB r i napH naacTHHOKB^ 3a kohmh cjrlmyeTB nepBaa, ^obohbho 
6oabmaa ^yabicpa xBOCTOBoro naaBHHKa. Hanaao aHaabHaro naaB. 
no^B cpe^HHon cnHHHoro, kohcd^b — HeMHoro no3a^H KOHu;a cnnH- 
