INDEX 
A 
Acer dasycarpum, 108. 
Zéschna, 7, 31, 32, 33, 35» 38, 39-46. 
californica, 41, 45. 
clepsydra, 40, 41-42, 46. 
constricta, 40, 42-44. 
eremita, 42. 
eremitica, 41, 42. 
juncea verticalis, 46. 
verticalis, 41, 46. 
ZEschnide, 4, 5, 6, 9, 11, 12, 13, 15, 16, 17, 
21, 22, 23, 25, 26, 27-50, 51. 
“Eshna, 6. 
Agrion, 3, 18, 39, 47. 
Agrionidz, 3, 4, 13, 15, 16, 17, 20, 25, 26, 
50, SI. 
Algz, 152,225, 241, 245, 256, 415, 480, 516, 
519, 523, 530, 531, 532, 535, 539 
546, 555, 564, 592, 597, 614. 
Allorchestes, 17, 370. 
dentata, 47. 
Ameiurus, 153. 
Amia calva, 153. 
Amnicola, 17, 47. 
Amphipoda, 513. 
Amphora, 516. 
Anax, 7, 13, 15, 16, 21, 28, 31, 33, 39, 46-50. 
junius, 17, 23, 29, 35, 46-50. 
Angelica atropurpurea, 238. 
Anisoptera, 3, 4, 7, 8, 20, 25, 26, 29, 51. 
Aphredoderus sayanus, 17. 
Aphylla, 53, 54. 
producta, 54. 
Arcella angulosa, 516. 
discoides, 516. 
vulgaris, 516. 
Arigomphus, 67. 
Asellus, 17, 47. 
Asterionella, 225, 389, 532. 
Azolla, 153, 237. 
carolina, 241. 
B 
Bacillariacez, 519. 
Basizschna, 16, 31, 32, 38-39. 
janata, 38-39. 
Bdelloida, 500, 519, 535. 
Belostoma, 18. 
Bidens, 246, 
Bosmina, 256, 380, 500. 
Boyeria, 13, 16, 31, 32, 36-38, 46. 
vinosa, 36-38. 
Brachionide, 518. 
Brachionus, 263 (table), 297. 
dorcas, 297, 518. 
Brachytron, 33, 35. 
Bryozoa, 243, 501. 
Cc 
Calopterygide, 3, 12, 13, 16, 25, 26. 
Calopteryx, 3, 4, 46. 
maculata, 64. 
Caltha palustris, 237. 
Canthocamptus, 297. 
Carchesium, 297, 534. 
lachmanni, 296, 546. 
Cardamine hirsuta, 237. 
rhomboidea, 237. 
Carteria, 225. 
Carya oliveformis, 108. 
Cathypna luna, 516. 
Catostomidz, 564. 
Celithemis, 10, 12, 15, 16. 
eponina, Io, 
Centropyxis aculeata, 516. 
ecornis, 516. 
Cephalanthus occidentalis, 108, 245. 
Ceratophyllum, 152, 153, 170, 236, 238, 
243, 244, 245, 246, 247, 248, 249, 
251, 352, 356, 368, 370, 395, 499, 
491, 495, 496, 498, 499, 501, 563, 
582, 587, 588, 589, 591, 592, 594. 
demersum, 238, 242. 
