— 131 — 
3HaTI> flMCTBBTeJILHO 3a OT^JLHBlS BHflB, HJIH TOJ1LKO 3a KJHMa- 
TH^ecKyio pa3H0CTb odbiKHOBenuaro H3a (Idas melanotus Heckel); 
bo bcbkomb cjiyaab aMy^apBHHCKiH B3B OTjnqaeTca on. eBponen- 
CKaro npBM^THO dbjiBineio tojiobok), hhoio <j>opMoio cnanHaro h 
nO^XBOCTHiirO n.iaBHHKOBB H BbtCOTOpBIMH ApyrHMH BTOpOCTeneHEILIMH 
npu3HaKaMH. 
y o^Horo H3'L TpexB 3K3eMH.iapoBB naxo^HJOCL r.ioro'iHBixB 
3y6oBB 2 5—513, bmIjcto 315—5 3. IIo3bohkobb 20 + 23. 
46. Chondrostoma variabile Jacowleff. 
HKOBJieB'B. ^ecaTHH npoTOKOJTB Ka3. 06m. EcTecTB. 1870, CTp. 7. Chon¬ 
drostoma variabile. 
HbcKO.ibKO .ibi'B TOMy Ha3a,u,B r. HKOBjeBbiMB (5bijio 3aaB.ieH0, 
i ito bb Hii/KHeii Bojirb BCTplmerca nojiycTB, otjih^hbiu otb 
Chondrostoma nasus, h 6bijih coo6m,eHBi hmb HbKOTopBia 3aMhTKH 
OTHOCHTe.iBHO npH3HaKOB'B OTOfo no^ycra, Ha3BaHHaro hm'b Chon¬ 
drostoma variabile. OcodeHHO Baarnoe 3Haqeme r. Hkobjicbb 
npn^aBa.iB o6pa30Bamio ho^pjiotohhbixb Kocxen y osHaaeHHOH 
Pbi6bi; HapyjKHBiii Kpan nepe^Haro KpBijia otoxb KOCTen co^ep- 
jkhxb 6ojibe hjih MeH'he oydoKyio Biipfeby, kotopoh o6bikho- 
BeHHO He 3aMbaaexca y flpyrnxB bh^obb po^a Chondrostoma. 
Ha npaBoii noAraoxoHHOH kocth Haxo^Hxca 5 3y6oBB (H3pb^Ka 6), 
Ha .ibBOH 6. XapaKxepnaa $opMyjia BH^a Condrostoma variabile, 
no H3C.ib^0BaHbiMB r. HaoBaeBa (16 HeflbjiHMBixB), cab/tyiomaa: 
Tp. 1|14—16. Bp. 2|8. Cn. 3|9—10. H&. 3|9. Xb. 19. 
Eok. jiiih. 53 59. 
Han 6 o.iBinaa BBimHHa mnpoKaro xbaa co^epiKHxca bb ^jihh'Ij 
xbaa 3 V 2 pa 3 a. 
Bb My3eh Ao^enm HayKB HMbexca o^hhb no^ycxB H3B 
phKH ypana, AOCTaBaeHHBiH xy,a,a r. CbBeppoBBiMB h npHHa,a,jie- 
9" 
