INDEX 



413 



Locust, outbreaks, 198 



periodicity, 199 



years, 198 

 Locusta migratoria, 199 

 Long rough dab, 340 

 Longspur, 257 



chestnut-collared, 253, 265 



Smith's, 265 

 Loon, 223, 225 

 Lota maculosa, 397 

 Louisiana vole, 280 

 Low temperatures, 225 

 Lugworm, 333 

 Luidia foliolata, 339 

 Lupinus, 288, 292 

 Lycodes brevis, 339 

 Lycodopsis pacificus, 339 

 Lyconectes aleutensis, 339 

 Lynx, 133, 193, 195 



rufus, 108 

 Lysigonium granulatum, 303 



Mackerel, 201, 319, 320 

 Macoma, 332 



-Astarte biome, 334, 349 



-Asterias, 336 



balthica, 334, 348, 351 



biome, 341 



calcaria community, 334, 345 



community, 15, 351 



inquinata, 333 



-Leptosynapta, 333 



-Mya, 333, 334-338, 349, 350 



nasuta, 333 



-Paphia, 324, 333, 336 



secta, 333 



Tellina, 336 

 Macroclinum pomum, 52 

 Major influents, 241 

 Major marine communities, 324 

 Mammalian emigrations, 200 

 Mammals, 46, 55, 79, 108, 134, 138, 

 167, 170, 184 



age, 187 



California prairie, 289, 290 



care of young, 114 115 



carnivores, 132, 133 



competition, 185, 187 



coactions, 103 



coastal prairie, 280 



Mammals, cycles, 177-180, 192-190 

 desert prairie, 283, 285 

 enemies and diseases, 183-185 

 failure in food supply, 185 

 grassland, 253, 257 

 grazing, browsing, 119-125 

 homes, 112, 113 

 migration, 62, 63 

 mixed prairie, 264, 265 

 non-burrowing, 112 

 Palouse prairie, 293 

 pawing, 84, 85 

 storage, 126, 127 

 territory, 168-170 

 trampling, 84, 85 

 true prairie, 274-276 

 wolves, 132 

 Man, 93, 94 

 Manisuris, 278 



cylindrica, 278 

 Manitoba, 12 

 Man-of-war, 319 

 Maple, 232 



Marcia subdiaphana, 339 

 Marine biotic communities, 313-353 

 Amphilepsis-Pecten biome, 345 

 Argyropelecus-Cauliodus biome, 318, 



319 

 Astarte-Arca biome, 345 

 Balanus-Littorina biom^?, 325, 326 

 community development, 329, 330 

 extent, rank and boundaries, 326- 



329 

 -M. calif ornianus association, 327 

 -M. edulis association, 327 

 relationship of associations, 329 

 subtidal barnacle-gastropod com- 

 munities, 330 

 bivalve-worm communities, 332 

 Brissopsis-Amphiura-Ophiura ectone, 



343 

 communities of sea bottom, 322-325 

 barnacle-gastropod tidal communi- 

 ties, 325 

 comparison of marine and terrestrial 



communities, 352-353 

 Cyclothone-Acanthephyra biome, 318 

 deep-water communities, 338 

 ecotone between pelagic and bottom 

 communities, 322 



