INDEX. 



Page 



Mineralogy 69 



Mosses 150 



Molusca 150-152 



Newton Sandstone 36-28 



Niagara 7-40 



Ocean Beach 9 



Ottawa. Art jsian Wells 54 



Ottawa Coal 29-30 



Ottawa Drift 46 



Ottawa Spring 51 



Pannariei , 13 



Parmelei 126 



P^meleacei 125 



Peddicord's Well 54 



Peltigerei 130 



Pequamsauggin 16-21 



47-70 



Petroleum 50 



Phvsa 104-105 



Pisidium 114 



Planorbinae 106 



Pleurocera 113 



Pupa 100 



Purenlua 149 



Pyrite 69 



uartz 17- 70 



eptilia 83 



Rock Defined 3 



Classes 2 



Composition 2 



How Divided 3 



Teachings 11 



Thickness * 4 



Run, Clark's 17 



St. Peteis Sandstone 16 



33-34 



Character 16-18 



Distribution 17 



Sand— Silica— Quartz, 33-39 



Sandstone, Newton. 26 



St. Peters 16 



Streator 28-29 



Page 



Saponite 70 



Scenery _ . 63 



Selini! e 71 



Silica 16-^0 



Slates 3 



Snails 94-96 



Spha^rium 113 114 



Starved Rock _ 68 



Sticta 130 



Strata _ 5 



Strata, Conformable _ 8 



Strata. Changes 10 



Strepomatidre Ill 



Succininae 102 



Theory 39 



Todd's Ford 68 



Trenton 18 47 



Character 19 



Di.-tribution 19-21 



At Troy Grove 30 



Fossils 32-23 



Troy Grove 25 



Trenton at 30 



Unionidse 115-130 



Usnaji , 125 



Usnea 136 



Valvata » 113 



Vegetable Remains 56 



Vivapara 108 



Vermillion, Big 8-48 



Vermillion, Little 25 



Verrucarui 148 



Water , Artesian 54 



Water, Mineral, 51-53 



Water, Well 53 



Water Power 156 



Weeds 161 



Wells 53 



Wells, Artesian, .54-lr9 



What We Have 13 



Zoology 73-75 



