Index 473 



Magmas, 67 



acid, 67 



basic, 67 

 Magnesium carbonate, 17 

 Magnetite, 29, 68, 69 

 Mammals, 436, 441 

 Manhattan schist, 210 

 Manlius limestone, 336, 345 

 Mantis, praying, 171 

 Maplewood shale, 324 

 Marbles, 75 



dolomite, 75 



lime, 75 

 Marcellus beds, 390 

 Marine deposits, 26 

 Marine realm, 78 

 Marl, 39 



greensand, 39 



shell, 39 

 Martin, J. C, cited, 211 

 Mayer, A. G., cited, 182, 450 

 Medina sandstone, 319 

 Menteth limestone, 393 

 Mesozoic era, 430 

 Mesozoic period, climate, 437 



life, 436 



literature, 437 

 Metamorphic rocks, 72 



definition, 15 

 Mettawee slate, 234 

 Mexican Onyx, 16 

 Miarolitic cavities, 71 

 Mica, 29, 68 



biotite, 68, 69 



muscovite, 68, 69 

 Mica-schist, 74 



Michael, E. L. & Allen, W. E., cited, 182, 450 

 Middle Clinton beds, 328 

 Middlesex shale, 400 

 Miller, W. J., cited, 211, 248, 300, 353, 418, 437, 442, 450 



