500 



INDEX 



Autistropliu3 — Continued. 



silphii, 192, 194, 195. 

 antonina, Enchenopa, 464. 

 Auts as^ food of Common Tree-toad, 

 352. 

 as food of toads, 338. 

 Anura, 317, 

 food of, 317. 



synopsis of families represented 

 in Illinois, 317-. 

 Apanteles cacoecise as parasite of 

 Teras minuta, 5, 44. 

 congregatus, 6. 



notes on life liistory, 3. 

 var. orobense, 4, 5. 

 crambi, description of cocoon 

 and imago, 8. 

 parasite of Root Web- 

 worm, 8. 

 militaris, as parasite of Army 



Worm, 5. 

 ornigis, description of cocoon 

 and imago, 7. 

 parasite of Ornix geminatel- 

 la, 7. 

 orobense, parasite of Mesograjdie 



rimosalis, 4. 

 sarrotliripfe, description of im- 

 ago, 0. 

 parasite of Sarrotliripa lint- 

 neriana, f). 

 smerinthi, t). 

 Aphididse as food of Cricket-frog, 342. 

 as food of toads, 338, 339. 

 Sixtli Contributicm to a Know- 

 ledge of tlie Life History of 

 certain Little-known, 207 

 214. See under Corn Root 

 Apliis. 

 Aphis, Corn Root, 207-214. See un- 

 der Corn Root Aphis, 

 maidis, 207-214. See under Corn 

 Root Aphis. 

 Aplirophora, 484, 491. 

 alibrt'viata, 495. 

 apicalis, 497. 

 bifasciata, 497. 



Aphrophora — Continued. 



diminuta, 494. 



fascialis, 493. 



faseiata, 498. 



gelidus, 493. 



leucophthalma, 497. 



lineata, 495, 497. 



marginella, 497. 



obtusa. 499. 



occidentis, 494. 



cenotherse, 497. 



parallela, 492. 



permutata, 492. 



quadranguhiris. 489, 490. 



quadrinotata,491,492. 



saratogensis, 493. 



siccifolia, 494. 



signoretii, 494. 



spumaria, 498. 

 Aphrophorina?, 483, 484, 489. 

 apicalis, Acutalis, 431. 



Aphrophora, 497. 



Ceresa. 441. 



Enchenopa, 4i)2. 



Tridactylus, 175. 



Vanduzea, 441. 

 apii, Lumbricus, 70. 

 Aplodinotus grnnniens, 135, 130. 

 Apple Leaf-rolU'r. Teras minuta 

 (Robs.), On tlie Parasites of 

 tlie Lesser. 3'.t 44. 

 apriforiuis, Hemiptydui. 447. 

 Arachni(hi, 181. 



as food of toads, 339. 

 Arcella discoides, 184. 

 Arcliasia, 425. 



belfragei, 425. 



canadensis. 425. 



conica, 420. 



galeala, 425, 479. 481. 



pallida, 425. 

 Arcliiv fiir Mikroskopische Anatomie 



cited. 112. 

 arcuata, Caranota, 440. 

 areolata. Kiitylia, 3it8. 



Rana. 215, 319, 320. 

 arethusa, IMumatella, 182. 



