INDEX 



Abandoned channels, 51 



Babcock, O. A., acknowledgments 

 to, 5 



Basal contact, 17-20 



Beekmantown (Ogdensburg) dolo- 

 mite, 8, 3^39 



Benway hill, 6 



Billings, Erie M., acknowledgments 

 to, 5 



Black lake, 24 



Blackwelder, cited, 2>7 



Blankman, Edgar G., cited, 6 



Boyden brook, 14 



Brandy brook, 32 



Brooks, cited, 18 



Bucks Bridge, 26, 28, 30 



Bucks Bridge mixed beds, 8, 28-36 



Burling, L. D., cited, 20, 47 



Cameroceras tenuiseptum, 38 

 Canton, 5, 11, 16 

 Casey Corners, 26 

 Clarke, Dr John M., acknowledg- 

 ments to, 5 

 Concealed zone, 20-24 

 Crary Mills, 14, 15 

 Cryptozoon, 39 



giganteum, 39 



lachutense, 39 



minnesotense, 39 



saxiroseum, 39 



steeli, 39 



wingi, 39 

 Cushing, Prof., acknowledgments to, 



5; cited, 8, 15, 17, 21, 24, 44 



Dictyonema flabelliforme, 2Z 



rectilineatum, 2>Z 



sociale, 2>Z 

 Dinorthis pectinella, 40 



Eccyliopterus, 31 



planidorsalis, 38 

 Economic resources, 52 



Ells, Dr R. W., cited, 15, 20 

 Emmons, cited, 18 

 Endoceras montrealense, 38 

 Euomphalus uniangulatus, 27 



Fenton, Rev. C. H., acknowledg- 

 ments to, 5 

 Ferruginous conglomerates, 52 



Geological history, 42-48 



Glaciation, 49 



Grannis brook, 14 



Grass river, 7, 13, 16, 25, 26, 30, 2i^ 



Grass River valley, 2>Z 



Hannawa Falls, 25 



Harrison creek, 13, 14 



Helicotoma uniangulata, 27 



Hemipronites apicalis, 39 



Heuvelton, 25, 26 



Heuvelton ledges, 25 



Heuvelton white sandstone, 8, 26-28 



Hewittville, 30, 33, 39 



Hewittville beds, 33-36 



Hough, cited, 15 



Hunt, T. S., cited, 18 



Indian Creek swamp, 21 

 Iron ore, 53 



Kindle, E. M., cited, 20, 47 



Limestones, 52 

 Lingula acuminata, 38 



antiqua, 26 

 Lingulepis acuminata, 26 



sequens, 38 

 Literature, 53-58 



Maclurea compare sordida and 



matutina, 38 

 Maclurites sordidus and matutinus, 



38 

 Madrid, 30, 39 

 Manley, G. A., acknowledgments to, 



5 



59 



