FIRST YEAR SCIENCE 



References are to pages. 



Magnetism 34 



declination of needle .... 35 



"dip" 39 



effect of upon compass ... 40 



electro-magnets 38 



field of force 39 



magnets 37 



poles 35 



theory of ....".... 42 



Mammoth Cave 319 



Man, 

 affected by the Glacial Age . 385 



by mountains 433 



and soil 105 



Mangrove 293 



Maps: 

 (a) classes 



contour 457 



curved projections . . 457 



cylindrical 458 



stereograph ic .... 459 

 topographical .... 456 



weather 136 



(6) charts 



cyclones and anticyclones 172 



date line 30 



drainage of U. S. . . . 354 



glacial areas 383 



heat belts 135 



isobars 140, 141 



isotherms .... 136, 137 

 land and water hemispheres 68 

 magnetic declination . 35 

 magnetic pole regions . 36 

 meridians and parallels . 32 



monsoons 153 



oceanic currents . . . 280 



rainfall 155 



rainfail of U. S. ... 158 



storm tracks 173 



time belts 31 



wind belts . . 149, 150, 151 



zones 25 



(c) detail maps 



Appalachian Plateau . . 416 

 Chesapeake Bay ... 399 

 Coast near Atlantic City 394 

 Juniata River, facing page 345 

 Mississippi mouths 338, 352 

 Nahaiit . . .297 



Maps: (c) Continued 



Platte River 335 



Mariners' compass . . . 40-41 

 See Magnetism. 



Mars 3, 5 



picture 4 



Marsa'pials 254, 255 



Matter, extension 7 



gravitation 10 



inertia 7, 8 



properties of 7 



three states of . . . . . 51, 52 



Meanders 337 



picture 338 



Medial moraine ...... 367 



picture 368 



Meridians 32, 33 



maps 25, 32 



of standard time 31 



the " prime " . 32 



Mesa 412, 413 



Metamorphic rocks .... 79 

 See Rocks. 



Mirage 129 



Moisture 126 



clouds, fog, dew 127 



hygrometer 127 



point of saturation 126 



Molecules 49 



energy of 45 



heated 66 



heat transference through . . 53 



magnetized 42 



Monadnocks 424 



Monocotyledons . . . 190, 207 



Monsoons 153 



Monte Nuovo ....'.. 441 



Moon 11 



phases 14 



picture 12 



surface 13 



tides 284-287 



value to earth .... 12, 13, 15 



Moraines, ground 368 



lateral, terminal, medial . . 367 



pictures 368, 369 



Morse, Samuel F. B. (1791-1872) 167 

 Mosquito, danger from . 218, 219 



Mount Everest 17 



Mount Lassen .... 442 



