CEMEHCTBO DlOMEDEIDAE. *l>'.t 



Y ^eTHpext, otchb p'!Ê3KO OT.in'ïaiomnxca apyrB otb flpyra 

 bhaobb onepeHie Ha ôoicaxB BepxHeû ^eaiocTH .najieKO ne joxo- 

 Xhtb j;o HOCOBOii Tpyoo^KH, a Ha ôoKaxt HHJKHeïi qejnoc'rn hb 

 SOCTnraeTi. ypoBHa npoKcniuajiBHaro KOHna stou TpyôoHKH. 

 Kjiiobb y BCBxt bthxb bhjiobb wiad'ïie, q'ÊM'B y BB^OBt cnrÉ^yio- 

 m,aro posa n culmen ero BorHyTB K3a^u otb Koroma MeH'Ée 

 ]d^3ko, tem-b y hocjtetihhxb. rpynna 3Ta ÔBMa yace BLifl'saeHa, ho 

 bb KaqecTB'B nosposa, Reichenbach'omb, j;aBmnM r B eit kb coacariB- 

 hîio hbckojibko cÔHBiHBoe Ha3BaHie Phoebastria, KOTOpoe h sojdkho 

 3a H6io ocTaTBca, HecMO'rpa na ero 6jih30ctb kb Phoebetria. Th- 

 noM'B Reichenbach H3Ôpaji r B I). albatrus Pall.; #ajrÈe ciofla otho- 

 chtch Ph. irrorata, Ph. nigripes h Ph. immutabiUs. 



Tpn oTHOcirrejibHO 6jra3KHXB «pyrt ia apyry c^opMBi, D. e.vu- 

 lans, D. régla a D. chionoptera, cocTaBjiaioTB, HaKOHen,B, po^B P>io- 

 mcdea s. str., xapaKTepH3yioin,ifica liiii,, ito onepeHie Ha doKax-i, 

 BepxHeû Heaiocrn soxoflHTB hjih hoith ^oxosht'b ro hocoboh 

 Tpyôo^KH, a Ha doKax-B HHHCHefl t b9jieocth npocrapaeTca Bnepe^B 

 no KpaâHefl M'Bp-É ao ypoBHa npoKCHMajibHaro KOHna 3toh Tpy- 



ÔO^KH. R~JIIOBB y 3THXB TpeXB BH^OBB SOCTHraOTB ocooeHHoîi 



Mom.HOCTn u culmen ero o^chb pfeico BorHyTB K3a^H otb ko- 

 roTKa. 



CaMHMB npHMUTnBHHM'B H3B 3THXB pOJOBB JIBJIHeTCa noBHsn- 



MOMy Phoebetria, npeacTaBHTejin KOToparo coxpaHHioTB ro CTa- 

 pocTH nepBOHa^iajibHo oieBn^HO cnjioniB TeMHHH Hapa^-B; Han- 

 6oJiBrayio npnMiiTHBHOCTB HMeHHO 9Toro posa npn3HaeT'&, KaKB 

 mbi BBime (cTp. B10) BnsBJin, n Pycraft Ha ocHOBamH ocTeojiorH- 

 qecKnxB H3£iCKaBifl. Bb posaxB Phoebastria n Diomedea nepBOHa- 

 T iajiBHH3 TeMHBiîi Hapa^'B Moao^Ha hthhbi coxpaHHJiH no KpaHHefl 



M'Bp'È y 60JIbHlHHCTBa BHflOBB, BB nepBOMB y 3 B3B 4, BO BTOpOMB 



y 2 H3B 3. Bb nepBOMB po;vB Ph. nigripes He ^ocTHraeTB HacToa- 

 meîi cb'btjiou CTa3Bi jiaace bb CTapocTH, ohb KaKB. 6u ocTaHO- 

 BHnca Ha npoMeHiyroqHOH CTajuB; 3aTo Ph. immutabiUs yTpaTHJiB 

 He tojibko TeMHyio CTafliio, ho noBn^niioMy n npoMeacyTO^Hyio : 

 nocjiB nyxoBoro Hapaja ohb npano o^BaeTB, KaKB yB'ÉpaioTB, 

 B3pocjiHfl Hapfl,n,B. Bo BTopoMB po^É D. regia coBepmeHHO yTpa- 

 THjfB Teimyio cTa^iio, ho OT^acrn coxpaHHaB cji'|;sbi npoMeacyTO 1 !- 

 hoh. Eme saaBme nomejiB bb cboomb pa3BHTin po^B Tlmlassarche, 

 MOJio^Ha nTnnBi KOToparo OTJiHqaiOTca otb B3pocjiBixB jinniB ôo^Be 

 TeMHon OKpacKon roaoBH h men; TeMHaa CTa^ia yTpa^eHa. Han- 

 BHcmen CTeneHH pa3BHTia aocTnrB poxB Thalassogeron, npe^cTa- 



