Actinopterygii: 
127 
ÆaMH Chondrostei h Teleostei. Ho TaKT> krktb Dipnoi OTjrazaïOTCH 
pa^OMTb cym.ecTBeHHHX'i, npH3H aicoBTb krktb OTTb Crossopterygii, 
trktb h OTTb Actinopterygii, to mh npe,n;noHHTaeMTB noftKJiaccTB 
Teleostomi pa3ÔHTB Ha Tpn rpyriim (kotophmt, mohcho ÆaTB Ha- 
3Bame „infraclassis a Osborn) 1 ): 
1) infraclassis Crossopterygii ct> oæhhm'b OTpn^OMTb Crossopte- 
rygü, 
2) infraclassis Dipnoi ct> o^hhmt, OTpzÆOMTb Dipnoi, 
3) infraclassis Actinopterygii ctb OTpHAaMH Chondrostei h 
Teleostei. 
npn 8 tomt> Dipnoi npe^CTaBJiaiOTT> yKJiOHmomyiocH bIjtbb, ott» 
KOTopoâ Crossopterygii h Actinopterygii oraanaioTca: cji'h^yioiniHMH 
npn3HaKaMH : njiaBHHKOBue jiynz KocxRHoro npoHCxojKAemfl (y 
Dipnoi KOHCHHe jryzz— poroBue); Ta30B0H noncTb cza6o pa3BHTT> 
hjih OTcyTCTByeTT, 2 ). HejnocTH coe^HHeHH ctb zepenoMTb nocpeÆ- 
ctbomtb hyomandibulare. KjioaKH h^tte; aHajiBHoe OTBepcrie .neJKHTTB 
Bnepe^z OTBepcTin MozeBOH h nomoBon CHCTeMti 3 ). 
Infraclassis Actinopterygii. 
ÜTjiHHaiOTCH OTTb Crossopterygii T r hMT>, hto miaBaTejiBHBiH ny- 
3HpB, eCJTH OHTB eCTB H eCJIH OHTB COo6m;aeTCH CTB KHmeHHHKOMTB, 
OTKpHBaeTCH B TB HerO CTB CnHHHOH CTOpOHU HÆH c60Ky, HO HH- 
Kor7r,a —ctb ôpioniHon; radii branchiostegi, ecjin ohh ecTB, HHKor^a 
He 3aMhHHiOTCH nocpe^CTBOMTB napHHXTB laminae gulares; hhcjio 
radialia btb rpy^HuxT, njiaBHHKaxTb chjibho yMeHBmeHO h caMuâ 
njiaBHHK r B HHKOr^a He HMheTTB OCHOBHOH mhchctoh jionacTn. 
Menc^y co6oh Chondrostei h Teleostei OTJiHHaiOTCH cji’h^yio- 
m,HMTb o6pa30MTB: 
1) Cp. TaKæe W. K. Gregory. The orders of teleostomous fishes. Annals 
N. York Acad. Sci., XVII, 1907, p. 444, 447-8. 
2 ) Uto KacaeTCR cnejieTa rpyAfliJXT. nAaBHHKOBT», to y Dipnoi TaKOBofi 
nocTpoeHT, no 6ncepiajn>HOMy Tnny; Toæe, noBHARMOMy, 6 mjio n y etékoto- 
pHXT» ncKonaeMEixT> Crossopterygii. Y Polypterus , npaBAa, rpy^Hon njiaB- 
hhk’l He 6ncepiajieHTE>, ho Bce æe saM^THa H r ÉKOTopaa TeHAeHniH kte> OTOMy 
Tnny CTpoeHia. 
8) 8 th ab^ rpynnu (Crossopterygii h Actinopterygii) Cope (Proc. Amer. 
Phil. Soc. Philadelphia, XVII, 1878, p. 41) cocahhaat» be, OAny hoa'b HMe- 
HeME Operculata bah Uyopomata , pasAnqaa bb KAacch Pisces noAKAaccLi: Ho- 
locephali, Selachii, Dipnoi h Hyopomata. 
