NDE 



A. 



PAGE 



aborigines 382 



acids, humous 95, 96, 348 



Acilius \ . . . 313 



Acorus jr- 



Acroperus harpae 300, 301 



adaptations 260, 274, 277 



Adineta ' 299 



adjustment 248, 261 



adjustments, individual .' 242 



mutual 242, 282 



adjustability to waves 319 



aeration -, 



Agassiz, Louis {g 



Agraylea \\ 2l6 



agriculture 379i 402 



agricultural crops 404 



air-breathing 231 



air-chambers 275, 277 



air-spaces 265', 271 



air-tubes ' 2 ^q 



albumins 48 



a J der : I58,'35i,352 



ale-wives 232, 373 



algae, 26, 28, 29, 45, 4 6,' 72, 

 100, 101, 102, no, 119, 137, 

 J 44, 145, 151, 169, 180, 181, 

 183, 189, 217, 220, 223, 295, 

 2 96, 301, 302, 304, 307, 311, 

 322, 391, 345, 356, 362, 373, 

 390, 395 



algae, ''blanket" 336, 345, 399 



blue-green 

 |( 109, 132, 297, 302, 326 



filamentous blue-green 296, 310 



" !? r T n 135, 136 



tresh water 101 



free-swimming 28 no 



gelatinous 101 



',', iy een 124,129,299,302 



filamentous green 124 



n Plancton 50,244,392 



protococcoid green 318 



lime-secreting 50 



marine n r 



., of .Ponds 335 



., red ".; 135,136 



sessile 120, 126, 336 



42: 



PACK 



algae, siphon I2I 



slime-coat 33c 



" tuf . ted 112, 126 



unicellular 112 126 



Allen, Arthur A .95,342 



Ahsmaceae j^ 



Alisma „, 



alligators \\ 2 ,g 



Ambystoma tigrinum. . . . 237 342 



ammonia 25, 48, 49,' 140 



Amoeba j -q 



amphibians. . . 148, 231, 236,237, 337 



Amphipoda 189, 191, 34I 



Amphizoidae 224 



Anabaena 132, 133, 295, 296,' 297, 

 , . 305, 308, 392 



Anaeharis jec 



Anapus 2 qq 



Anax :-. 155,341,389 



i um us I9 6 



Ancylus 182, 260, 370, 373 



Andromeda I57> 350 



angling 40J 



animalcules 295 



animal forage 387, 399 



animal husbandry 384, 400, 408 



animals, hoofed -, l2 



animals, limpet-shaped 260 



animal life of marshes 345 



animal population '^24 



animals, warm-blooded 273 



Ankistrodesmus falcatus 129 



setigerus. .129, 131 



Anodonta ^o, 288, 290 



," edentula 324 



grandis 324 



imbecillus ... 288 



antennae . 185, 189, 247, 251, 312 



Anthomyid flj- 350 



Anthophysa I 6 2 



Anthony, Maude H 214 ^15 



Anuraea 299, 300', 303 



Apnamzomenon 297, 304, 392 



apical buds '• 1 S4,' 138 



Appalachian hills .' 60 



applied science -> x 



Apsilus 2 g 9 



