Z44 ^Vol. XVII, Ilie real characteristics ok this stock. Lre we Io regard ths Naidu ok ths Lasramento Valls/, with their elaborate dances and sserst society, as the t/ps krom which ths Northeastern Naidu have diikerentiatsd b/ assimilating themselves mors and more to the t/ps ok the ^shoma^wi and Shoshone, ths t/ps ok ths interior plateaus or Kasin arsa? Or are ws to consider ths simpler, mors t/pisall/ Kasin culture ok ths Northeastern Naidu as characteristic ok tlis stock, and tire elaborate dances and secret-society organisation ok the Northwestern branch as due to contact with ths Vkintun tribes ok tbs middle and lower Lasramento Valley? 4,gain, what relation do both ok these northern sections bear to ths Louthsrn Naidu, where ws 6nd the culture in man/ important regards much dikkerent krom that in ths north? Should ths variations be explained as due in part to migration, or as having -Wholly arisen b/ a slow process ok dikkersntiation and assimilation to neighboring t/pss? Krom ths comparison ok the m/th cycles ok ths Northeastern and Northwestern Naidu, I have already pointed out* that ws might suppose there had been a movement ok ths kormer section eastwards krom ths arsa ok ths Sacramento Valley, kaking the whole mass ok the ninths krom ths Northeastern Naidu, rekerences to ths north are almost as common as those to the west and southwest; but whereas ths kormer are in nearly all cases in m/ths which reker to times considerably aktsr tbs creation, tbs latter are almost wholl/ in ths creation m/th. Vs has been alrsadv pointed out, there is a complete absence, ap parently, ok an/ sort ok a migration legend, all portions ok tbs stock declaring emphatisallv that tbs/ originated precisely in their present homes. V/hils placing the creation ok ths world unikorml/ in ths vicinity ok Durham, in ths Lasramento Valley, the Northeastern Naidu, kor example, declare ths/ are the descendants ok the pairs ok human germs planted b/ ths Creator in ths lands which ths/ now occupy, and that krom that da/ to this the/ have continued to live in ths region where their ancestors cams into being. Ik an/ weight be given to the evidence above rekerred to