166 



INDEX 



Isle Royale, 



ecological relations of inverte- 

 brate fauna, 146 



mammals of, ecological succes- 

 sion, 145 



Isophyllia, feeding reactions, 109 

 Isopods, 



of ponds and streams, responses, 



106 

 physiological states and rheo- 



taxis, 106 



reactions of surface and sub- 

 terranean, 108 

 reactions to light, 108 



Jutland, sandy flats of, animals, 

 136, 137 



Kiel Bay, 



fauna, 138 



food of animals in, 129 

 Krakatau, new flora, 89 



Lack of oxygen, resistance affected 



by carbohydrates, 99 

 Lake as a microcosm, 123, 131 

 Lake beach, 



habitat, 147 



debris, Sarcophagidse with rela- 

 tion to, 147 

 Lake fauna, 



associational study, 140 



correlated with vegetation, 140 



habitats, 140 



Lake, fish associations of a, 147 

 Lake habitat, 



changes in, 87 



fish, 147 



Lake, respiration of an inland, 87 

 Lake shore, animal associations, 134 

 Lakes, 



gases dissolved in waters, 87 



plankton investigations of Danish, 



140 

 Land animal communities, 



controlled by vegetation, 90 



vegetation and control, 124, 133 

 Land animals, 



ecological succession, 133 



origin, 148 



Land forms, changing, 86 



Land habitats, changes, 86 



Land tortoise of Florida, insect 



guests, 135 



Larval habits of tiger beetles, 118 

 Larvae, 



catalogue, 77 



classification of Lepidopterous, 73 



Coleopterous, table of families, 

 75 



Donaciinse, natural history, 109 



Lepidopterous, 73, 78 



saw-fly, 78 



Lateral-line organs of fish, func- 

 tions, 116 



Law of response to strain, 85 

 Laws of change, orderly sequence, 



79 

 Laws of regulation, 



in behavior, 105 



in insect oscillations, 123 



in metabolism, 85 

 Laws of sequence, 



in adjustment between animal 

 and environment, 122 



in animals, 92, 93 



in environment, 79 



within the animal, 92 

 Leech, behavior, 121 

 Lepidoptera, 



and temperature extremes, 99 



field tables, 74 



larvse, 73, 78 



larvae, classification, 73 



transformations of described, 73 

 Leptinotarsa, 



behavior, 119 



habits, 119 



instincts, 119 

 Leptothorax Emersoni Wheeler, 



ethological observations, 120 

 Life and chemistry, 97 

 Life centers, geographic, 99 

 Life histories, 



aquatic Nematocerous Diptera, 

 75 



fish, 112 



insects, 73 



insects and allied invertebrates, 

 70 



