INDEX 



Abbreviations, 69 



Acalyptrate Muscidse, larval food- 

 habits, 78 

 Accidents, 62 

 Acridiidae, 



courtship, 117 

 habitats, 148 

 Adaptation, 

 adjustive, 10 

 and evolution, 97 

 as a process, 9 

 as a product, 9 

 theory, 136 



Adirondacks, aquatic insects, 75 

 Adjustment of organisms, process of, 



122 

 Adjustment, process of, 5, 30, 31, 



33, 122 



Age of lower organisms, 97 

 Aggregate, 8 



as agent or entity, 4 

 ecology, 4, 23, 24, 133 

 Aggregations, 27, 145 



dynamic relations of, 130 

 Agricultural reports of the U. S. 



patent office, index, 72 

 Air, vegetational control of relative 



evaporating power of, 90 

 vegetational control of relative 



humidity, 90 

 Alluvial flats, vegetational invasion, 



89 



Alps, soil fauna, 144 

 Alternating generations of oak gall 



flies, 143 



Ambrosia beetles, 127 

 American lobster, natural history, 



113 



Amia calva, natural history, 117 

 Amphibians, 



associations of desert species, 148 



collecting, 58 



desert species, 148 



food of desert species, 148 



Amphibians, 



reactions to light, 116 

 Amphioxus, 



behavior, 116 



sensory reactions, 116 

 Amphipods, 



distribution of fresh-water, 111 



food of fresh-water, 111 



reproductive capacity of fresh- 

 water, 111 



salt-marsh, habits and life his- 

 tory, 119 

 Amphithoe longimana Smith, habits 



and natural history, 113 

 Animal and plant associations of 



arid region, 148, 149 

 Animal associations, 



and marine vegetation, 89 



and vegetation, 90 



of a lake shore, 134 

 Animal behavior, 107, 121 



as a process, 102 



Bohn's studies in, 107 



limits of study, 103 

 Animal communities, 133, 134 

 Animal ecology, 



of Chicago region, 134 



of Cold Spring sand spit, 136 



of seashore, 63, 64 



of shore, 139 

 Animal galls, 143 

 Animal geography, physiological, 



101 

 Animal intelligence, 



development, 115 



evolution, 114 



nature, 115 



raccoon, 111 

 Animal life, 



ecological distribution in New 

 Mexico, 148 



of sea-bottom, 63, 136 



of sea-bottom, food, 136 



of sea-bottom, quantity, 136 



151 



