18 CONTENTS OF PART I. 
New Paleozoic faunas from Aroostook and Somerset counties, Maine — Cont'd. Page. 
Ashland limestone — Continued. 
Castle Hill, Dudley farm 53 
Chapman, Littlefield farm 54 
Fort Fairfield and Presque Isle 5-4 
Square Lake limestone 54 
Correlation of the rhynchonellas of the Square Lake fauna. . . . , 56 
Generic characters 56 
Species of rhynchonellids in the Square Lake fauna 67 
Chapman sandstone 78 
Presque Isle Brook 78 
Edmunds Hill 79 
Presque Isle and Mars Hill 79 
Mapleton sandstone 88 
Moose River sandstone 88 
Parlin Pond 89 
Jackman farm 90 
Bean Brook 90 
Long Pond 90 
Little Brassau Lake 91 
Stony Brook 91 
Big Brassua Lake 91 
Brassua Stream „ 92 
