INDEX. 



543 



Duck-bill Catfish, 464*. 

 Duckweeds, 442, 4491, 4501, 453t, 



459t. 49 It. 

 Dumortier, B. C, 9. 



Hepaticaj Europje, translation 



from. 123. 

 Duraortiera. 32, 37, 118. 

 Duvalia, 32, 35, 87, 117. 

 Dytiscidie, 4ti.St, 472t. 



E 



Earle, F. S., 141. 



on flacherie of European Cab- 

 bage Worm. 269. See Bur- 

 rill, T. J., and Earle, F. S. 



Eehiiiogyna, 59. 



Eggs of epiiemerids, 459t. 

 of Hexagenia, 459t. 



Ellis, J B., 141. 



EiidophyUum, 155, 241. 



Entomostraca. 437t, 4381- 439t, 441t, 

 443t, 444t, 445t, 447t, 448t, 

 4501, 451t, 452t. 454t, 455t, 

 460t, 463t, 466t, 4(57t, 469t, 

 47 It, 473t. 482t. 486t 487t, 

 488t. 495t, 496t. 497t. 



Ephemeridje. 469t, 47Ut, 473t. 

 eggs, 459t. 



larv£e, 442t, 443t. 447t, 450t, 

 455t, 458t, 460t, 461t, 464t, 

 470t, 484t, 485t. 



Erimyzon sucetta, 447*. 



Erysibe, 392. 398, 4U2, 404, 410, 411, 



413, 421. 



Erysipbe, 390, 391, 392, 396. 297, 398, 

 399, 400, 401, 410. 411, 412, 



414, 417, 421, 424, 426. 

 Erysiphe*, 387, 390, 393, 394, 398, 



399, 414. 



illustrations of the genera, 395. 



index to host plants, 429. 



key to genera ot, 397. 



systematic index, 431. 

 Erysiphella, 398. 

 erythrogaster, Chrosomus, 500'\ 

 Esocida?, 434. 



Esox lucius, 434*, 468*. 

 nobilior, 434. 

 umbrosus, 434. 

 vermiculatus, 435*, 468*. 

 Etheostomatida', 446. 

 Euglena, 490t. 

 Eupuccinia, 171. 



European Cabb;ige Worm, disease 

 of, 259, 260, 282. 285, 294, 

 317, 320. See Cabbage 

 Worm, European. 

 Eurotiura, 398. 

 Eurycercus, 467t. 

 Eurytoma, 439t. 



F 

 Farlow, W. G., 141, 179. 

 Faxon, Walter, 326. 

 Fegatella, 39. 

 Ferns, 12. 



ferus. Coriscus. 437t. 

 Fiddler, 456*. 

 FimbriHria,9, 31, 39, 116, 117, 118, 



119. 

 Fine-scaled Sucker, 444*. 

 Fish, Creek, 447*. 



Fishery Industries of the United 

 States, The, cited, 432, 436. 

 Fishes, 433t, 434t, 435t, 43U+, 456t, 

 457t, 459t, 460t, 46 It, 462t, 

 463t, 464t, 466t, 468t, 470t, 

 472t, 478t, 483t. 

 adult, food of, 478-491, 497. 



crustacean element in, 

 485. 

 cainiivorous, progressive steps 



MS to feeding iiabits, 496. 

 correlations of alimentary or- 

 gans, 508. 

 cycloid, 468t. 

 cyprinoid, 435t. 



dehniteness and permanency 

 of the food habits of, 497. 

 Description of ]Sew Illinois, 



135-139. 

 food of, detailed recapitulation 

 of data, 510. 



