INDEX. 



545 



Duck-bill Catfish, 464* 

 Duckweeds, 442, 449|, 450|, 453|, 



459-f. 491|. 

 Duraortier, B. C., 9. 



HepaticEe Europe, translation 



from, 123. 



Dumortiera, 32, 37, 118. 

 Duvalia, 32, 35, 87, 117. 

 Dytiscida?, 468t, 472|. 



Earle, F. 8., 141. 



on fl'icherie of European Cab- 

 bage Worm, 269. See Bur- 

 rill, T. J., and Earle, F. 8. 



Echinogyna, 59. 



Eggs of epliemerids, 459f. 

 of Hexagenia, 459|. 



Ellis, J B., 141. 



Endophyllum, 155, 241. 



Entoraostraca, 437|, 438t, 439f, 441f, 

 443|, 444|, 445t, 447|, 448f, 

 450|, 45 1|, 452J, 454J, 455|, 

 460t, 463|, 466|, 467f, 469f, 

 47 i|, 473t, 482t, 486|, 487f, 

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



Ephemeridse, 469f, 470t, 473|. 

 eggs, 459t- 



larvae, 442t, 443t. 447t, 450f, 

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

 470t, 484t, 485|. 



Erimyzon sucetta, 447*. 



Erysibe, 392, 398, 402, 404, 410, 411, 



413, 421. 



Erysiphe, 390, 391, 392, 396, 297, 398, 

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



414, 417, 421, 424, 426. 

 Erysiphese, 387, 390, 393, 394, 398, 



399, 414. 



illustrations of the genera, 395. 



index to host plants, 429. 



key to genera of, 397. 



systematic index, 431. 

 Erysiphella. 398. 

 erythrogaster, Chrosomus, 500*. 

 Esocidre, 434. 



Esox lucius, 434*, 468*. 

 nobilior, 434. 

 umbrosus, 434. 

 vermiculatus, 435*, 468*. 

 Etheostomatidre, 446. 

 Euglena, 490t. 

 Eupuccinia, 171. 



European Cabbage Worm, disease 

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

 317, 320. See Cabbage 

 Worm, European. 

 Eurotium, 398. 

 Eurycercus, 467t- 

 Eurytoma, 439t- 



Farlow, W. G., 141, 179. 



Faxon, Walter, 326. 



Fegatella, 39. 



Ferns, 12. 



ferus, Coriscus, 437t- 



Fiddler, 456*. 



Fimbriaria,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, 439t, 456t, 

 457t, 459t, 460t, 461t, 462t, 

 463t, 464t, 466t, 468t, 47Qf, 

 472t, 478t, 483t. 

 adult, food of, 478-491, 497. 



crustacean element in, 



485. 

 carnivorous, progressive steps 



as to feeding habits, 496. 

 correlations of alimentary or- 

 gans, 508. 

 cycloid, 468t- 

 cyprinoid, 435t. 



deflniceness and permanency 

 of the food habits of, 497. 

 Description of ^ew Illinois, 



135-139. 



food of, detailed recapitulation 

 of data, 510. 



