- ‘n; .IUHAN KWR. [‘ .c. ARCT,EXP. FRAM
hum, I'sununus/eus mi air-d in Middle Devonian age to [he brackish
alum. 7 pul'Iivulm'ly Ilmse of "18 sonlh-easlern pnrl 0! Ike
“uh-r Ilurlh .\llunlir nminlaml. and llwnre la |he [l'eall \valer lakes During Ilw Millnllv Um'ulnuu nn<~ form in this manner penolmled inlo lhe north “I SmllznnL In lhv [um-r purl ui [he Upper Devonian ilexlended liHIp by lillll- nlnng the norllwrn pnrl nl [he nurlh Allnnlic mainland riglll up In the eastern purl nI Hm rerenl {\rclic Archipelago of North Amour“. whirl] Ill't‘hlllllflhl)’ formed the nnrlh-weslern harder of “mi vast mnlinenl
The line nf |his Al’l'HL' exlelh‘inn nppemw to have played |he mosl signifirunl part in lllr formation of the fi>ll fauna lhal are descmhexl in the present work.
Prinlml Marv-h 2. “IL-I.
