INDEX 



The following index includes only the more im{)ortant topics covered in 

 the paper. Eeferences to authors, many of the genera and, for the most part, 

 species are omitted. The two latter may be found iu their proper group by 

 refering to the table of contents on paige 3. 



Page Page 



A. F. 



Adaptation to salt concentration 106 



Algae, characteristic genera 60 



relation to alkalinity 60-1 



Amphibia, breeding 9& 



Asplanchna silvestrii, seasonal distri- 

 bution 86 



Bacteria, apparatus and methods 57, 8 



distribution 59-60 



seasonal occurrence 58-9 



Brachionus plicatilis, distribution, 



spatial °^ 



temporal 83 



var. spatiosus 83-4 



satanicus', distribution, spatial 84 



temporal 84 



variation 84-5 



Caddis fly larvae, brackish watei' 95 



Carbon dioxide 31 



Chaetoceros, distribution, seasonal.— 71 



Chironomus, habitat 96 



relation to oxygen..- 96. 107 



Chlorophvceae, relation to alkalin- 

 ity . .■- 60, 103 



Chroococcus. distribution, seasonal.... 61 



Cladocpra, distribution, unrestricted.. 109 



swarms 37 



Cladophora, distribution 34 



Coelosphaerium, distribution, &• e a- 



sonal 63 



Color of water 18 



Copepoda, life cycle - 45 



Corisids, reactions 95 



Cosmopolitan species 109 



Crustacea, amount, comparison of 



lakes 104-5 



comparison with fresh water 101, 106 



distribution, seasonal 87 



vertical 42-3 



zonal 109-10 



see Cladocera, Copepoda 



Currents 19 



Cyclops, distribution, seasonal 91 



relation to oxygen 107 



D. 



Devils Lake, comparison with life in 



other lakes 100-4 



conditions in 105 



Devils-Stump Lake complex history.. 9-12 

 parts 17-8 



Diaptomus, color 90 



distribution, seasonal 89 



oxygen 107 



sicilis. distribution 107-8 



siciloides, succession 91 



Enteromorpha, habitat 33, 6S 



Bntomostraca, see Crustacea. 



Eucalia, death 99 



distribution 99 



Evaporation 14 



Fauna, character 100-4, 110 



changes ilO 



comparison with fresh water 100-1 



source 110 



Fish, experiments 98, 106 



disappearance 98 



Filinia longiseta, relation to environ- 

 ment 86 



Flora, character 101-4 



changes 110 



comparison with fresh water 101 



source 110 



G 



Gomphosphaeria, see Coelosphaerium. 



H. 



Hyallela azteca, reactions 93 



Hydrogen sulphide 31-2 



Ice, thickness 



work 



Insects, characteristic forms 



comparison with fresh water. 



15 

 10 

 94 

 94 



L. 



Lake C, life, comparison with other 



lakes 55 



Lake P, life, comparison with other 



lakes 56 



Lamoreau Lake, life, comparison 



with other lakes 50 



Light apparatus 19-24 



penetration 21-4 



reaction, see Plancton. 



Lyngbya, distribution in complex 65 



seasonal 64-5 



relation to Crustacea 87-8 



M. 



Merismopedia, seasonal distribution.. 63 

 Micrococcus, seasonal distribution.... 58-9 

 Mission Lake, life compared with 



Main Lake 49-50 



Mites, distribution 98 



Moina, distribution, seasonal 91-2 



relation to oxygen 107 



Mvxophyceae, relation to alkalin- 

 ity 60, 103 



Nauplii, cycles 45 



vertical distribution 45 



mortality 45 



relation to oxygen 107 



Navicula, seasonal distribution 72 



Nematodes, habitat 81 



Nitrogen 32 



Nodularia, distribution, seasonal 65 



relation to salt content 54-6, 65-6 



