551 



Mud, 438t. 4o4t, 4«)9t, 47 If, 4731, 

 489t. 401t. 



Catfish, 4(V2*. 



-eatingfishes, 483, 491, 4t>6. 



Fish, 403*. 



Shad, 437*^ 

 Mullet, Spotted, 444*. 

 Muscidiv, 439t. 

 Muskallunt'e, 434. 

 Mycetophilida?. ( V), 444t. 

 Myrmicidpe, 437t, 4(581. 



N 



Nais, 488t. 



Nardia, 53, 113, 116. 118, 119. 



iiatalis, Amiurus, 472*. 



Ictalurus, 459*. 

 nebulosus, Amiurus, 472*, 499*, 

 508*. 

 Ictalurus, 459, 460*, 4G1. 

 Nees von Esenbeck, C. G., 9. 

 Nematodes. 473t. 

 Nematoid worm, 4r)lt. 

 Neuroptera, 452t, 454t, 458t, 470t, 

 484t, 485t. 

 larva', 435+, 450t, 46 If, 4fi6t, 

 469+, 473+, 485t. 

 aquatic, 470+, 484t. 

 terrestrial, 470t. 

 nigra, Juglans, 301. 

 nigricans, Ilypentelium, 445*, 470.* 

 nigromaculatus, Pomoxys, 501*. 

 nobilior, Esox, 434. 

 Nostoc. 8, 466+, 4691- 

 notatus, Zygonectes, 499*. 

 Notothylas, 4H. 117. 

 Notropis anogenus, 138. 

 atripes, 138. 

 hudsonius, 435t. 

 macrolepidotus, 138. 

 phenacobius, 137. 

 whipplei and Pheaacobius mi- 

 rabilis, food of, compared, 

 500. 

 Noturus, 455, 456. 



gyrinus, 462*, 472*. 

 nuchalis, Hybognathus, 499*. 



Oak, injury to, by Forest Tent Cat- 

 erpillar, 315. 



obesus, Cambarus, 464t. 



Odonata, 435+, 4()9t. 473t. 

 larva", 470t. 



Odontoschisma, 52. 91,93, 116, 118, 

 125. 



Oersted, A. S., 145. 



olivaris, Leptops, 462* 472* 



Oospora, 11. 



Orthoptera, 440t, 469t, 472t. 



Osborn, Herbert, on fl'ichtrie of 

 European Cabbage Worm, 

 269, 270. 



Oscillatoria, 4511- 



osseus. Lepidosteus, 464* 468*. 



Ostracoda, 469t, 471t, 473t. 



Oxygenum, 136. 



pulverulentum, 136. 



Paddle-tish, 464*. 



Pala?mon, 486+. 



Pahemonetes. 486t. 



pallidus, Lepomis, 501*. 



Parasites of Forest Tent Cater- 

 pillar, 316. 



Parasitic Fungi of Illinois : 

 Part I., IJredineie, 141-255. 

 errata, 247. 

 glossary, 243. 

 index to host plants, 249. 



to species, 252. 

 nomenclature, 147. 

 Part II., Erysipheie, 387-432. 

 index to host plants, 429, 

 remedial agents, 395. 

 systematic index, 431. 



patruelis, Carabusia, 435+, 468, 500*. 



Peach. 315. 



Febrine, 316. 



Peck, Charles II., 141. 



Pectinatella, 45Ut. 



Pellia, 9, 50, 55, 117. 



