hidex 



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 



intemodes 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 



jointweed 345 



Jo-pye-weed 323 



Juday, 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 



" Canandaigua 65 



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



65, T2>, 114, 123, 151, 

 218, 232,240,295, 296, 

 300, 308, 309 



Lake Coeur d' Alene, Idaho 60 



" Devil's, Wisconsin 51, 71 



" Erie 63 



" Evans' Michigan 62 



" Flag 312 



" Flathead 71 



" Pure, Denmark 28 



" Geneva 28,76 



" Great Salt 71 



" Green 63 



" Hallstatter, Austria 33 



PAGE 



Lake Huron 63 



" Kegonsa 66 



" Keuka 64, 65 



" Knight's 44 



" Louise, B. C 60 



" Mendota 37, 38, 46, 47, 66, 304, 

 306,310 



" Miccosukee 69 



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



" Monona 66 



" Okoboji 71 



" Ontario 63 



" Otisco 65, 72 



" Owasco 65 



" Pepin 67 



" Phelps 57 



" Pontchartrain 67 



" Quiver 49, 164 



" Seneca 65 



" Silver 71 



" Skaneateles 65, 72 



" St. Clair 28 



" Sumner, Isle Royal 54 



" Superior 63, 73 



" Tahoe 28,60 



" Thompson's 49 



" Turkey 312 



" Wabesa 66 



" Walnut 161,233,239 



" Winona 71, 324 



" Yellowstone 70 



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



333, 356, 406 



" alkaline or salt 74 



" crater 60 



" currents in 73 



" depth of 71 



Lakes, Finger 64, 65 



lakes, floodplain 67 



" of Florida 69 



" Fulton Chain of 165 



Lakes, The Great 61, 63, 91, 301 



lakes, playa 75 



" polar 36 



" solution 67,68 



" strand 75 



" Swiss 76 



" of Wisconsin 66 



" of Yahara Valley 66 



" stagnation periods of ... . 34, 46 

 Lakeside Biological Laboratories 



70, 71 

 Lampsilis 290, 291, 324, 325 



