INDEX. 



abdominalis, Tabanus, 233. 

 AbhandlungcD des Naturwissen- 

 schaftlichen Vcreins in Ham- 

 burg cited, 290, 292. 

 Ablerus clisiocampa3 as parasite of 



Aspidiotus forbesi, 382. 

 Acanthia, 6. 

 Acanthopus, 422, 

 Acer saccharinum, infested by 



Aspidiotus comstocki, 385. 

 Acipenser rubicundus, 298, 299, 

 300, 302, 303, 304, 305, 306, 307. 

 acuminata, Candona, 420, 449. 



Cypris, 449. 

 adusta, Cypris, 442. 

 aesculi, Aspidiotus, 386. 

 ^sculus californica, infested by 



Aspidiotus ffisculi, 387. 

 Eestuans, Chrysops, 227. 

 affinis, Cypris, 441. 

 agilis, Fridericia, 288, 289. 

 alba, Melilotus, 8. 

 albalis, Paraponyx. 173. 

 Alga3, 155, 156, 158, 201. 



as food of Ostracoda, 416. 

 allionealis, Paraijonyx, 173. 

 Allolobophora giesleri, 406. 

 Altitudes in State of Illinois, 

 acknowledgment of 

 assistance in collect- 

 ing data for list of, 36, 

 38. 

 by counties, 39-131. 

 cost of survey in obtain- 

 ing, 37. 

 list of, 36-137. 



Altitudes, etc.— Continued. 



methods of making sur- 

 vey in obtaining, 36, 

 37. 

 of river slopes in Illinois, 

 132-137. 

 Alydus eurinus, coecal structures 

 in, 5. 

 pilosulus, coecal structures in, 

 5. 

 Amalopini, 196. 

 Amalopis, 196. 



American Naturalist cited, 175. 

 americana, Chionaspis, 390. 



Ulmus, 389, 392. 

 americanus, Tabanus, 247. 

 Anacharis, 152. 

 Anasa, 3. 



tristis, on a bacterial disease, 

 of, 340-379. See under 

 Disease, 

 coecal structures in, 5. 

 ancylns, Aspidiotus, 383. 

 angustatus, Nysius, 4. 

 Annals of Botany cited, 345. 

 Aonidia, 338. 

 Aonidiella, 338. 

 apicula, Stratiomyia, 249. 

 Apple infested by Aspidiotus 

 forbesi, 381, 382. 

 -tree caterpillar, Yellow- 

 necked, infection experi- 

 ment with, 363. 

 Aradida?, 6. 



Aromochelys odoratus, 316. 

 Arrhenophagus chionaspidis as 

 parasite of Aspidiotus forbesi, 

 382. 

 articulata, Opercularia, 316. 



