OEM. Lamnidae. 51 
il 
lsuridae-v-Alojpiidae-Y-Cetorhinidae Collett. Vid.-Selsk. Forh. Christ., 1905, 
K> 7, p. 76—79. 
Lamnidae Tage Regan. Proc. Zool. Soc. London, 1906, p. 744. 
^Ba chhhhbixb, njiaBHHKa, nepBBiH—6 ojibhioh, Bnepe^ii 6pioin- 
HHXt, BTOpOH-MaJieHBKiH Ha^ aHaJIBHEIMB,. KoJEEOHeKB, y CELHH- 
HBIXB, njiaBHHKOBTb hIjTB,. POTB, HIHpOKiH, nOHy«ny HHEIH, HHaCHÎH. 
^KadepHEra OTBepcTia, ’ hhcjiomb, 5, BeaHKH, Bnepe^a ocHOBama 
rpy;n;HErxa> naaBHHKOBa, Han — nocji’h^Hee Ha^Tb ocHOBaHieMa» rpy,n;- 
hbixb,. Spiracul^ MaaH hjih OTcyTCTByioTa,. MHraTejiBHoâ nepe- 
nOHKH H'^T'B. H^TB» pOTO-HOCOBBIXB, 6op03^0K r B. 
rpy^HBie njiaBHirKH BeaHKH, hxb, radialia aoxo^BTB» ro cbo- 
doÆHaro Epaa nnaBHHKa. PocTpaaBHBie xpaiii;H cnepe,n;H cxo^btcb. 
I^eHTpLI n03B0HK0BB> CB» BTOpHHHBIMH OKOCTeHdjHLaMH, npOCTHpaiO- 
mnMHca otb, r^eHTpajiBHBixB, potHHXB KOHycoBB» kb, nepH^epin, 
ocTaBJULH "BeTBipe rjiaBHBixB» He OKOCTeH’hBniHXB» yaacTKa, pacxo- 
ÆamHxca kb» ocHOBaHijîMB» HenpajiBHBixB> h reMajiBHErxBj ^yrB>. 
5 pqæobb,', KOTopBie MoacHO pacnpeftdîHHTB no TpeMB» no^ceMen- 
CTBaMB» : 
1) no;n;ceM. Lamnini. IIo 6oKaMB> xBOCTOBaro ct edaa khjlb; 
xboctoboh njiaBHHKB» nojryayHHO BBip'hsaHB,, BepxHaa nonacTB ero 
JinniB HeMHoro ftjraHHhe HHacHen. 3y6Ei dojiBinie, ocTpBie. 3Ka6ep- 
hbih menn yM^peHHOH betcotet, He nepexoftainlH Ha ropao. Tpn 
po^a: Lamna , Isurus , Carcharodon. 
2) no;n;ceM. Cetorhinini. OTanaaeTca otb npeÆBipy^aro oaeHB 
MeHKHMH 3y6aMH, orp omhbimh acadepHBiMH meaaMH, npoÆoaacaio- 
IHHMHCH BHH3B, £0 ropjia. HepBBIH CnHHHOH njiaBHHKH» pacnono- 
aceHBj Has'B cpe^HHOio npoMeacyTKa Meacjiy ocHOBaHiaMH rpyn;HBiXB> 
h ôpiomHBTXB». 1 po^B> : Cetorlninus. 
3) noftceM. Alopiini. Xboctoboh nnaBHHKB, cb, BepxHefi ao- 
nacTBED HeoÔHHafiHO æjihhhoh, bo MHoro pa3B> HHacHen; 
$opMa xBOCTOBoro njraBHHKa TaKHMB, o6pa30MB> He noayHHO bet- 
p^3aHHaa. Kmh Ha 6oKaxa> XBOCTOBoro ct e6aa hüte». 3Ka6epHBia. 
njean yM'hpeHHOH bbicotbt, He nepexo^HTB, Ha dpronrayio CTopoHy, 
3y6BI yM'hpeHHOH BeaHHHHH. IlepBBIH CnHHHOH nJiaBHHKB» Ha^B> 
npoMeacyTKOMB» Meawy ocHOBaHiaMH rpyAHHXB, h dpioniHBixa,. (8 to 
no^ceMencTBO 3acayacHBaeTB,, noacaayH, BEm^aema bb> ocodoe ce- 
MencTBo). 1 po^B» Alopias Raf. (=Alopecias M. ïï.) cb, oæhhmb, bh- 
ÆOMb, A.vulpes (Gmelin) bb> ATaaHTHnecKOMB, h Thxomb> OKeaHaxB»; 
no 6eperaMB> HopBerin h^tb» He cdiBepH'he BepreHa. 
CeMencTBo Lamnidae 6hh3ko kb, ceM. Odontaspidae , y KOToparo 
4* 
