Index 



429 



PAGE 



insects 183, 251, 274, 357, 358, 367, 

 390, 399 



insects, aquatic 338 



gall 291 



herbivorous 398 



net-winged 195, 212 



plancton-gathering .... 364 



internodes 138 



inundation 88 



iris 404 



iron 53 



iron sulphate 95 



Isoetes 151 



Isopoda 190 



Ischnura verticalis 207, 208 



Ithytrichia. . ( 260, 262, 372 



Jack-o-lantern 96 



Jagerskiold 172 



Johannsen, O. A 299 



' ointweed 345 



o-pye-weed 323 



uday, C. 36, 37, 38, 43, 44, 46, 47, 



51,53,72,263,308,312 

 Juncaceae 157 



Kent 309 



Kirchnerella 129, 131 



Knight, H.H 75, 196,350 



Kofoid C. A. 22, 48, 83, 85, 88, 103, 



107, 113, 130, 131, 164, 



171, 312, 356 



Laccophilus 333 



lace-wings 214 



lagoons 334 



Lake Alachua 69 



1 Canandaigua 65 



' Cayuga 28, 32, 36, 42, 60, 64, 

 65, 73, 114, 123, 151, 

 218, 232,240, 295, 296, 

 300, 308, 309 



Lake Coeur d'Alene, Idaho 60 



44 Devil's, Wisconsin 51, 71 



Erie 63 



Evans' Michigan 62 



11 Flag 312 



Flathead 71 



Pure, Denmark 28 



44 Geneva 28, 76 



1 Great Salt. 71 



44 Green 63 



" HaUstatter, Austria 33 



PAGE 



Lake Huron 63 



44 Kegonsa 66 



" Keuka 64, 65 



" Knight's 44 



" Louise,B.C 60 



1 ' Mendota 37,38, 46, 47, 66, 304, 

 306,310 



Miccosukee 69 



Michigan . .28, 61, 63, 114, 312 



1 Monona 66 



44 Okoboji 71 



" Ontario 63 



1 Otisco 65,72 



" Owasco 65 



44 Pepin 67 



Phelps 57 



Pontchartrain 67 



44 Quiver 49, 164 



44 Seneca 65 



1 Silver 71 



44 Skaneateles 65, 72 



1 St.Clair 28 



1 Sumner, Isle Royal 54 



44 Superior 63, 73 



Tahoe.., 28,60 



Thompson's 49 



Turkey 312 



Wabesa 66 



Walnut 161, 233, 239 



Winona 71, 324 



44 Yellowstone 70 



lakes .59, 60, 231, 232, 299, 307, 316, 

 333, 356, 406 



' alkaline or salt 74 



' crater 60 



' currents in 73 



44 depth of 71 



Lakes, Finger 64, 65 



lakes, floodplain 67 



44 of Florida 69 



44 Fulton Chain of 165 



Lakes, The Great 61, 63, 91, 301 



lakes, playa 75 



polar 36 



44 solution 67, 68 



strand 75 



44 Swiss 76 



44 of Wisconsin 66 



44 of Yahara Valley 66 



44 stagnation periods of . ... 34, 46 

 Lakeside Biological Laboratories 



70,71 

 Lampsilis 290, 291, 324, 325 



