.KUIAN KI.Ki;. [SEC. ARCT. EXP. FRAM 



A- i- kimwn. <>xtr<il('i>ix al.-o helong- to the typical Middle Devonian 

 of >ld I Jed: as howe\er the determination i> -oine\vhal uncertain. 

 in* great -Ire-- ran he placed upon it. 



In my opinion the knowledge conveyed in the ahove 

 indicate- that the tish hori/on at Skrap V alley cannot he 



I . 



parallelled with Chemung hut is of older Cpper Devonian 

 age. A- tin- hori/.on. according to I'KK SCHKI i- -ilualed in 

 the middle ol S e r i e - K. we inu-t assume thai tin- series 

 with its continental facies commenced in the lowest part of 

 1 " p pe r he y on ia n. 



The higher Eossiliferous hon/ons in Series I 1 ! give less definite 

 indication- of I'pper Devonion age. The hori/on m Bregrreldeften too. 

 with its abundance of plant remains, which according to Pr.u SCHEI is 

 cniileinporary \\ilh |he dark schists of (Jalgeodden, with Bothriolepis, 

 cf. l//i<ln>/)lii!<i A<;. and '/////>/o/r/j/,v. gives us in NaTiioKs-r's opinion 

 no very delinile determination of age. 



It is therefore not possible to determine with exactitude how high 

 up in the rpp'T Devonian Series E goes. It is very prohahle that thi> 

 continental period lasted there until the end of the Devonian age. and 

 possihly even until the Lower Carboniferous. 



I 'iiforlunalely I'KH SCHKI had no opportunity of closely examining 

 the prolilo \\tncli heyond ojiiolion are the decisive factor in this prohlem. 

 vi/.. tin- prolile> northwards to (Ireat liear Gape, where the ahimdant 

 marine carboniferous fauna \\"iv discovered. 



Zoogeographical Conditions. 



The fauna of Series K is al-o interesting m another re.-pecl. for 

 of il> element- are found to he more closely related to European 



en to t'orm- previously known from America 1 . 

 The genn- Psammostens is thus completely unknown in North 

 A ni'-i ii - ;in Devonian deposits, hoth marine and continental. ( 'n the other 



hand it i> \er\ I'nmmon in .\.\\\ liiissia and has also heen found in 



.\ S.'nil;iiid and on Spitzbergen. 



The delerminahle and -mall lln/ln'ioli'iiix differs from known American 

 -pecie-. hnl i- identical with or at least \erv nearl\ related to li. 

 AI.. from Scotland. 



Viilr in |iarliriil;ir: A. SMIIII \Vm.i(\v.Mii>. < !:italu:ii.' l' Ko.--. Ki-ln-.- in tlir Hrilisli 



MM-. UNI. 11. 



CM. I!. K \-I.M.\N, l>f\. l-'i-ln-- of |..\va. l ; aunal Li-l-. I'a.ur ^7"). 



