cem. Petromyzonidae. — Lampetra. 
31 
Jj. opisthodon $opMa hxt. pa3JiHHHa *). JÇajrÉe, hto6bi OTjrÉJit 3a;nHHxt nna- 
cthhok'b, Hecymifi: Ha ceô’È 3y6«iHK,0, ÔBiJit y L. opisthodon „BecBMa iia.n." 
no cpaBHeHiro et L. fiuv., Bt neMt yBlipHeTt rPAmAHOBt, 3Toro H3t pHcy h- 
KOBt ynoMHHyfaro aBTopa h p’ÉniHTejiBHo ycMOTp'ÉTB He Bt cocTOHHin. 
HaKOHent, „ HanpaBJieHHBie Bt poTOByio hojioctb xpan 3a;n,HHxt nonacTeâ 
H3HKa üm'Éiott. Ha cedii npeKpacHo pasBHTyio nneHnaTyio OToponicy, xoTopaa 
b ch noKptiTa Tone^KaMn TeMHaro nnrMeHTa; 3Toro CBoeo6pa3Haro npH^aTKa 
HeH3B , ÉCTHaro 3HaqemH coBc^Mt He HM^eTCH y npeAUffyiijaro BHRa M . Mh-é 
HenOHHTHO, O KaKOMT» „CBOeo6pa3HOMTE> npaxaTK-Ê 44 3,H^CB rOBOpHT'I, aBTOpt. 
Y Bciixt p^HHEixt MHHort b ch CBodoffHaH (He noxpEiTan poroBOH njiacTHH- 
koh) noBepxHocTB 3a;nHHxt H3HiHEixt njiacTHHOKt noxpuTa anHTejiiajiBHon 
o6ojiohkoh; Ha stoh odonoHidj HHor.ua Haaa^n mojkho Ha6jno,n;aT& tomhbih 
nnrMeHTHBiH nHTHBiniKH; xaKOBO Ext 3HaHeme, h ne 3Haio, 3Haio jihibb, hto 
H a OCHOBaHÎH BTOrO „npH3BaKa“ HeMBtCHHMO yCTaHaBJIHBaTB HOBBie bhæli, 
noTOMy ht o nnrMeHTt ototb OTJiaraeTCH He y Bciixt 3K3eMnjiHpOBt : cxoHTt 
npocMOTp'ÉTB MHHort Hainen KonneicniH, hto6ei bhjvétb, hto y oRHHXt 3K3eM- 
nnnpoBt 3TOTt nnrMeHTt OTJiaraeTCH, y .npyrnxt H^Tt. 
Met pa3CMOTp , ï>jiH BecB aiarH03t h Bce onneame L. opisthodon Gratz. 
ITÏîJIHKOMt H BHffHMt, HTO HH MajI'ÉflmHX’B pa3yMHHXt OCHOBaHifl npHHH- 
MaTB 3T0Tt BHJVB He HM^ÊeTCH. 
Yæe bo BpeMH KoppeirrypEi h nojiyHHJit H3t 3ooji. My3ea Mock. Y hhb. 
OTt npO(|). r. A. KoatEBHHEOBA ÆBa 3K3.-THHa L. opisthodon. JlnniB y OffHOrO 
3K3. OKa3aJiaCB -BCKpBITOH KpBima pOTOBOH nOJIOCTH H OÔHapyæeH-B H3BIHHBIH 
annaparB. Canoë Tm;aTejiBHoe cpaBHeme et hcbckhmh p’Êhhbimh MHHoraMH 
Hamero My3en noKa3EiBaeTt, hto h3blhheih njiacTHHKH y Tina L. opisthodon 
HHH'ÉMt, HH no BeJIHHHH’É, HI HO $OpM^, H6 OTJIHHaiOTCH OTt TOTO, HTO 
HaônrosaeTCH y L. fiuviatilis. BH,n,t L. opisthodon , TaKHMt o6pa30Mt, ycTaHOB- 
jieHt no QflHOMy 3K3eMnjiapy h, ohcbbaho, 6e3t HenocpeacTBeHHaro cpaB- 
HeHia et L. fiuviatilis. — Harat pnc. 7 (cTp. 28), H3o6paæarom;in hsbihhbih 
annapaTt L. fiuv ., CH^JiaHt et oahoto H3t 3K3.-TnnoBt „i. opisthodon il . 
PacnpodpaHeHie. CKaH^HHaBiji, AHraia, HIoTjraH^iR, HpHaH^ia, 
Ope#. EBpona, ÜTajiia?. Hcnarnu p^HHaa MHHora noKa hh- 
kEmh He yKa3aHa. Bo OpaHD;iH bo^htch bo bcExt, pEKaxn, BKJiioHaH 
PoHy, B'L mBeHn;apiH bh 6acceHHE Peiraa. Haxom^eHie pEhhoh mïï- 
Horn Bib HTajiin comhhtgjibho 2 ). Bo^htch bo BC'ix r BpEKax r B6acceÔHa 
HEMer^Karo h Ba^TincKaro Mopefl, a TaKie btb ôacceHH'i ^yHaa. 
1) Ho pHcymcaMt 10 h 13-h, xasie aaeTt TpAmAHOBt, coBepmeHHO He- 
mbicjihmo eoCTaBHTB ceô'É npeACTaBneme o(5t y ctpohctb’É H3HKa y onHCxi- 
BaeMHXt HMt BHAOBt. 
2) Heckel & Kner 1858, p. 379, npHBoanTt p'ÊHHyio MHHory Meac^y npo- 
HHMt h aJia 03. Tapaa h Thhhho, ho Fatio (II, 1890, p. 518) roBopHTt, hto 
OH t Bt KaHTOH'É Tessin (TeccHHt) HaxoAHJit tojibko planeri , ho h e fiuvia¬ 
tilis. Canestrini (Archivio per la Zoologia, IV, fasc. 1, Modena, 1866, p. 185) 
npHBOXHTt OffHHt 3K3. P. fiuviatilis H3t JIOMÔapaiH 3.JIHH0H Bt 153 MM., HO 
B03M0JKH0, hto OHt HMijit Bt pyKaxt planeri. noTOMy hto no^t EMeneMt 
nocn r È3,HHro BHa.a OHt onncLiBaeTt (p. 186) jihhhhohhlth $opMBr. 
