48 
CEM. Chlamydoselachidae. 
A. 3Ka6epHuxB mejien 6. Téjio yÆJiHHeHHoe, 3M'ÈeBH,zHoe. Oahhb 
cnzHHoâ ruiaBHiiK'B ÆajieKO Ha3aji,H, HamB aHajiBHLiMB. 
.... CeM. III. Chlamydoselachidae. 
AA. 3ia6epHLi xb mejieïï 5. 
a. AHajiBHLifi raaBHHKB ecTL. 
b. MnraTejiBHOH nepenoHKH hIîtb. 
c. üepBBiü cnnHHOH iuiaBHHKB Bnepe^H 6pioraHBixB. Ha 
6oxaxB xBOCTOBoro CTeôejiBKa xopomo pa3BHTuâ khjib 
( y pyccKnxB poz,obb) .CeM. IV. Lamnidae. 
CC. nepBBIH CHHHHOH ÜJiaBHHKB n03a^H (5pK>mHEIXB (y pyc- 
ckhxb bh^obb). Khjib Ha xboctobo'mb CTeÔjrfe h^tb . . 
.... CeM. V. Scyliorhinidae. 
bb. MHraTejiBHas nepenoHica ecTB. Khjib Ha xboctobomb CTe6jr£ 
H’ÊTB. HepBBIH CnHHHOH HJiaBHHKB (y pyCCKHXB pOffOKB) 
Bnepe^H ôpioniHBixB.CeM. VI. Carchariidae. 
aa. AHajiBHaro njiaBHHica h^tb .CeM. VII. Squalidae. 
CeM. III. Chlamydoselachidae. 
T'ijio y^JiHHeHHoe, 3M r ]&eBH^Hoe. PonoBa npnnjnocHyTa, poTH 
noMTH KOHe^jHHH. Pjia3a Ha 6oicaxn ronoBEr, 6e3n MHraTenBHOH nepe- 
nOHKH. POTO-HOCOBOH 6op03^KH HpTH. 3y6ljl O^HHaKOBlie no 
$opMF Ha o6Phxh HejnocTaxn, ch nrap okhmHj o6pam;eHHKMH Ha- 
SaftH OCHOBaHiHMH, Ha KOTOpEIXn CHÆHTH TOHKÎe HUmET. IheCTB 
acaôepHHXH Æyrn h mejren; nocnF^HHa acaôepHaa mejiB Bnepe^H 
ocHOBama rpy^Horo nnaBHHKa. BHpmHiH Kpafi Kaac^on Meac^yaca- 
6epHon neperopo^KH npo^ojDKaeTcn bh bh^ nrapoKon kojkhctoh 
nepenoHKH (cKJia^KH), noKpHBaiOHi;eH acaôepHyio mejiB. üepBaa: 
H3H TaKHXH CKJiaÆOKH, pa3BHTaH Ha nOftHHSEPIHOH ÆyT'l, ^)yHKD;io- 
HHpyeTH KaKH 6u bh KanecTB^ 3aHaTOHHOH acadepHOH KpmnKH; 
nepBan napa acaôepHBixn nepenoHOKn cpomeHa h C3a,n;H CBo6o^Ha 
oth isthmus. 3Ka6epHELs mejra: nrapoKia. Spiracnla ecTB. Oæhhh 
cnHHHOH nnaBHHKH 6e3n mnna, no3a^H ? Ha;u;n aHajiBHEiMn. Oæhhh 
aHajHjHHH njraBHHKH. Ilpn ocHOBamn XBOCTOBoro njiaBHHKa hIjth 
nonepenHaro yrjiyÔJieHia:. 
Palato-quadratum He conjieHeHO ch nepenoMH. Xop,n;a cerMeH- 
TnpoBaHa tojibko Bnepe;n;H, ecTB H'Ickojibko OKOCTeHËBmHxn 
KOJieii;H. Propterygium Mano; ^HCTajiBHEiMH kohh;omh oho conae- 
HaeTCH ch mesoptervgium; 9to nocnF^Hee ^oxo^hth cbohmh æh- 
CTaHBHBiMH KOHn;oMn £0 nepeÆHflro Kpaa miaBHHKa, HCKmonaa t. o. 
