CEM. ACIPENSERIDAE.-ÂOIPENSER RUTHENUS. 
231 
üpHHRB't 3a e^HHHIIiy MaCCBI Tfea 1 fyyH.T'h ^KOJIOAKH^, T.-e. 
Thaa puÔEi (c^HTaa ca> BHyTpeHHOCTHMH) 6e3a> HKpEr, A. C. Cko- 
PHKOBia noayuaeTa» cji’Ê^yiomaiii n;H(|)pEr, onpe^zuiiomiH „nao,n;o- 
bhtoctb“: 
üpOMLICJI. 3.JI H H a 
lÎKp 
H H OKI» Ha 1 $yH. 
T'èjia ptiôu. 
p LJ OU. 
M HH. 
MÜKC. 
cpenH. 
5 5 / 8 —6 Bep. 
18019 
19568 
18794 
61 A— 6 % « 
16924 
21797 
19417 
7 -7% „ 
16725 
20142 
18993 
® ®/8 IJ 
16280 
22314 
18604 
Ba> cpejmeMa» HKpa cocTaB«uieT r i> % B'hca kohoækh (T.-e. pBiôai 
6e3Tï HKpH) H.TLH y 4 B'feca BCeH pBlÔBi; MaKCHMyMT» HKpa COCTaBJIiïeTT> 
41% B^ca KOJIO^KH, MHHHMyMTï 27%. 
no nao^OBHTOCTH CTepjiB^B ctohtt> Ha nepBOMa» m^ct'Ê cpe^H 
BcixT, BOJEKCKHXa» OCeTpOBBIXa» : Ha O^HHT» ^)yHTT> KOJIO^KH Y 
CTepnR.HH 19000 hkphhokt>, y ceBpiorH 6900, y oceTpa 4500, y 
d^nyrn 2500 1 ). 
nHTaHie. O nnm.'h mrjibkobtj cenuaca» ace no nxa» BBiJryiuieHiH mbi 
yace cooômajrn BBirne (cTp. 221) co cjiobt> B. H. Mehchepa. B. H. TJhk- 
cohtj ( 1909 , CTp. 22 ) npHBO^HTT, cji'i^yiorn.ie pe 3 yjibTaTBi BCKpBiTia 
CTepjmaCBHX'B MaJTBKOBa» ÆJIHHOH 3% - 13 CM., nOHMaHHBIX'B BTb BoJlrf 
y CapaTOBa Ba> nocjrÜÆHioio TpeTB Maa: ôojiBmoe KO«nHue ctbo B3poc- 
jiBixa» bo^hbix'b Hymenoptera (noBHftHMOMy, H3ajp. Polynema), jih- 
uhhkh Chironomus, Simulium, Dixa, Ceratopogon, Macca jrHUHHOKa» 
p. Plectrocnemia H3a> ceM. Hydropsychidae, OT^jiBHBie KycKH mh- 
sh^'b, MeaKHxa» raMMapHÆa,, paaKH Leptodora, a TaKace Copepoda. 
npeoÔJia^aioHi.HM'B KopMOMa» CTepJiaacBen mohosh hbjihiotch jihuhhkh 
^ByKpBiHBixx nTrichoptera. KopMa, btotb mojioæelh CTepjra,nKH Haxo- 
.naTrb Ba> BoaoacKaxa» h npopaHaxa>. OBcaHHHKOBa, (1873) KopMH.ua> 
CBOHxa> MaaBKOBa> CHaaajia DiHKJionaMH h .naçjDHiaMH, 3aThMa> æhuhh- 
KaMH KOMapoBa. h BOji;aHHxa> acHBOTHEixa», h, HaKOHen;a>, Tapana- 
HaMH; A. A. OcTPOYMOBa» (1910), Hammaa 0 Ta> ^ByxHe^JiBHaro h 
ÆO TpexM^caaHaro B03pacTa, HCKJTiouHTejiBHO aepBaMH ojinroxeTaMH 
(MeJIKHMH HJIH KpynHBIMH, HO p r É3aHBIMH). B3pOCJIEIiI CTepjM^H ÜH- 
TaioTca rjiaBHEiMa> o6pa30Ma> JiHUHHKaMH ^ByKpBrjiHxa> (Chironomus, 
Simulium), ho TaKace u mcpou ^pyrnxa, pbi6a>: cpe^n crepjia^eH, bbt- 
1) A. C. Ckophkobt», Taux æe, cip. 25. 
