— 17 — 



Al. guttata m 3HaMHTe;ibH0 npM(5;iM)KaeTC5i ktj cauda carnqoBi, 

 Alona rectangida G. 0. Sars. C-b sthm-b BHAOM'b c6jiH>KaeT'b Al. 

 puIcheUa raiOKe h cnoco6HocTb odpaaoeaTb mhopo pasjiHHHbixij 

 BapiexexoBTj. Mstj ecero axoro cn^hjiyeTh, mxo Bonpocb o CHCxeivia- 

 ximecrcoM'b nojio>KeHiH Al. pulchella Hy>KHO CMHxaxb eine neonpe- 

 fl-fejieHHbuvnj. 



Alona rectangida G. 0. Sars. 



ripeflCxaeHxejiM axoro qpesBbmaMHO 6oraxaro pasHaro poAa 

 eapiexexaiviM BMfla 6b\nvi BCxptMCHbi HeoAHOKpaxHO btj iiacji'feAOBaH- 

 homtj iviaxepiajiife. 



CnjibHoe BapbHpoBaHie npHSHaKOB-b B-b axoM-b BHflt oMenb 

 saxpyAHaexTj icaK-b B03ivio>KHOCXb pasrpaHHMHXb mokay co6om 

 oxAliJibHbie Bapiexexbi, xaKX) m B03M0)KH0CXb oxhccxm xoxtj mjih 

 MHOM SKseiYinjiap-b K-b onpcA'feJieHHOMy sapiexexy, Cb oahom cxopoHbi, 

 M onpeA'feJiMXb mxtj xaKCOHOMMHecKoe SHaHeHie, Cb Apyron cxopoHbi. 



J\o T'fiX'b nopij, noKa CHCxeiviaxHKa axoro BMAa ne fiyAex-b paa- 

 pa6oxaHa Ha ocHOBaHiw odmnpHaro maxepiana, Hy>KHO, MHt Ka>KexcH, 

 npoBMSopHO oxHOCfl (|)opivibi ktj y>Ke ycxaHOBjiewMbiMTj Bapiexexam-b, 

 xmaxejibHO oxMtMaxb BCfe oco6eHHOCXn cxpoeHia h oxjihmjh oxtj 

 npe>KHHX'b onwcaHiM y BCxp'feMaeMbix'b (|)opM'b. 



Btd HSCAtAOBaHHOM-b Maxcpiajit 6bi;iM BCxptqenbi npeACxasMxejiM 

 CixfeAyoLUHX-b BapiexexoB-b: 



a) Var. rectangida G. 0. Sars BCxp-feMewa B-b eAHHMqHbix-b 

 3K3eMnjiapax'b btj BHKxopia - HiaHua 

 B03JT& Entebbe. XapaKxepHan cauda 

 H3o6pa>KeHa Ha pwc. 11. 



CorjiacHO onpeA'feJiMxe.nbHOM xa- 

 dAMq-fe, AaHHoii BeMrojibAOM-b^) 

 AJiH rpynnbi bhaobtj rectangida, pas- 

 CMaxpMBaeMbie 3K3eMn;i^pbi cji'feAO- 

 Bajio-6bi oxHecxM ki, Alona interme- 

 dia G. 0. Sars no xomy npM3HaKy, 

 MXO cauda y Hero cjierKa paciuH- 



paexcH AHCxajibHo; OAHaKo, CMMxan ajih Alona intermedia HawSoA-fee 

 xapaKxepHbiM-b ne (|)opMy cauda, a pacno;io>KeHie na Hew lUHnHKOBX) 



Piic. 11. Alona rectnngula v. 

 rectangnta. YBejiiiH. 530. 



^) W e i g 1 d. Biologische Studien an Lyncodaphniden and Chydoriden 

 Internat. Revue d. ges. Hydrob. u. Hydrogr. Biolog. Supplem. zu Bd. Ill 

 1910; p. 21-27. 



