INDKX 



331 



MM 



rie-Sigan Salt Group, tluoknces of, la Jack 



•on Co., 110 



thickness of, further north, 153 



nmirkion, loO 



Ulddlo I L. Huron, C3. 04 



MiilanJCo., 114 



Milwaukee, W:s. , 68 



Mineral character of Plutonic, Volcanic 



and Amine rocks, 43,49 



Minoral Paint, of Ohio, 78 



of Michigan , 162 



204,205 



Mlssai. 87 



, •xplorationsof.alongL. Sup. 6 



Molluaca, Catalogue of, 235 



.3 on, 238,240 



Monguagon, Way no Co., 64 



Honroo Co., 63 



Montcalm Co., 114 



Montgomery's Quarry, Monroo Co., 68 



Umtictdipora, 105 



Montreal Channel 62 



Montreal R., 47,48,60 



Montrose, Saginaw Co. , 120 



Moea.C. W., 72 



lloaoow, Hillsdalo Co , 84 



Mt. Morris, Goncaoo Co. , 118 



Mucqua^ L. , 72, 77 



Muir, W. K., (Supt.,) communication to 



on coal at Corunna, 27 



aid rocelved from, 83 



MunnuHco Riy , 65 



BfurchismiaLiLincta, 62 



sp? 62,65 



■askegoo IUpiJ*, 08 



UjaXina, 85 



lamdiosa, 110 



Naphtha from peat. 196 



Napoleon , Jackson Co. , 89 



Napoleon Group, description of, 83 



characters of, ob?cure in Huron Co.,. 89 



of, 89 



thickness of, at " deep boring," 116 



I -ibution of, 00 



Bottom Clay or, 80 



thickness of, 153 



, comparod with Ohio 



Con-' BO 



ooo1 87 



tfavtUus, 87 



h RapL's, 60 



NowaygoCo., 65,97,03 



Ncwborry.l'rcr. J. S.,ail ree'd from,..Cl,7d 



Newton, Calhoun Co., 7t) 



Nligara Group, 65 



Niagara Mm atone, description of, 65 



composition ol , f,G 



distribution .. 57 



83 



Noquet, I ittl a Bay de, 63 



Noquct.Fig Ray d( 63 



North I , Saginaw I 100 



Notes, on Mammals, 221 



'231 



I U>es, 232 



■ lusts, 233, 240 



Motes, Dr. II > igbton'a, amount of loet,.. 11 



publication of, 21 



n )toa, fygtom of registering 30 



Hucmla, 80, 84, 86, 1 10 



NwmIcx Uuugkiam, 87 



O. 

 Oo., 73,88,97 



43 



■MB 



Oak troca, 883 



Oooana Co., 86 



Ochre B.nls, 162 



Ogemaw Co , 87 



Oil, Minora! Sac " PotrolODm." 



01 I Bi ais'i Fort, Drummond'B I., 66 



Old Fort Holmes, 61 



Unondaga Salines, 188, 190 



OaondagaSall Group, description of 67 



geographical extent of, 68 



economical nnporlanco of, 69 



:aps 8-iliferous to Mich., 69, 177 



Oolitic lim .stono, Mackinac I. , 62 



in Monroe Co., 63 



Organization of Survey and Flan of Ope- 

 rations, 21 



Oriskany Sandstono, 60 



Ornamental Flants. Set " Plants." 



OHhis, 62, 84,85,107 



bcUinufoea, 62 



MajMria, 62 



umUraculum, 107 



apf 52,84 



Orthoceras, 86,87 



andium, 62 



sp7 84 



Ottiwa Co. , 84 



Ottawa Lake, 69, 65 



Ottawa R, 86 



Ottar Creek, 69 



Oil, George, information from, 123 



Owosso, Shiawassoo Co. , 122, 125, 126 



J?. 



Paints, materials for, 162 



Faraflino from p 'at, 198 



Parallelism of Michigan and Now York 



formations, 16 



Paris, Kent Co. , 98 



Pai ma, Jackson Co. , 98, 112 



lone, 112, 116, 117 



thickness of, 153 



Parties. Geological, '/joological and Botanl- 



cil, >, 26 



go Pt., Thunder Bay, 69, 71,79 



Patton, Mr., explorations of, for coal, . . .120 



Feat, agi loultaraJ proporli.s of, 1TJ, 193 



how prepared for nso, 194 



used for fuel, 194 



for other purposes, 196 



Feat DcposittSjhow produced, 131 



J'enlamsrus, 60 



•' Fontanurus Portion of Upper Limo- 



rook," 15 



Penlrcmilcs, 69 



Pulroltjum, in Canada West, 73 



in Ohio, 73,78 



in Mich., 73,199 



IVttibono, S. , communication from, 29 



I'h.a'-crjj.x info, 64 



/ 'killipsxa,. . 110 



l'hysu. . Drift, 



ciphy, 207 



87 



[nob, Mo...... 49 



72 



Pine tr s, 296 



- no, 100, Note. 



', Druniniond's I., 63 



Fia.no: for 1859, 22 



Tor 1800, 26 



PkNUrMl iruncalus, description of, 138 



Plants, Catalogue of, 247 



general remarks on 819 



distribution of 824 



'<il la modJcini*,. . .921 



