INDEX 
A 
Archibuteo lagopus sanctijohannis, 
440. Y 
Archilochus colubris, 441. 
cipiter. cooperi, 439. Ardea herodias herodias, 438. 
Ascochyta, 160 
velox, 439. » 160. ee 
Ac er saccharinum, 307. CEST AOR Sa 1A 
- saccharum, 307. Boeunsy 57. me 
aquaticus, 52. = 
titis macularia, 439. 
Pieetanadensis, 31. Ash, 293, 313, 314, 315, 316, 334, 346. * 
 sollicitans, 30, 31. Gray, 207, a 
_ Agelaius phoeniceus phoeniceus, 442. Geen, SE ae 
Agrostis palustris, 138. hives £0: f 
_ Aix sponsa, 438. Ashes, 336. ‘al 
 Albugo, 136, 165. Asio flammeus, 440. 
Alternaria, 78, 79, 105, 109, 124, 137, Gee ose 
167, 170. spergillus, 163. a 
Samber cane, 138. Reet pita Ws 
Amblo lites r stris, 38 - Pare 
ee renee, Pe COR) in sioepicnlata; 19. 145.17, 
-—-~posite). E A + at : i 
‘Amebae, 79, 124. Astragalinus tristis tristis, 442. 2 
_ Ameiurus melas, 386. s B i 
Ammodramus sayannarum australis, - 
443. Bacillus carotovorus, 133. re” 
_ Amnicola emarginata, 37, 50, 55, 60. coli, 158. 
ss spp., 36, 55. omnivorus, 133. 
a Amnicolidae, 37, 38, 39, 46, 47, 48, 50, | Bacteria, 138, 139, 158. 
> 583, 55, 58, 60, 62, 63, 69, 73. Bactridium, 107. 
i _ Amphipoda, 36, 71. Baeolophus bicolor, 47. 
_Anacharis canadensis, 12. Barley, 90, 91, 125, 126, 137, 138, 139, 
_ Anas platyrhynchos, 438. 1538, 170, 181, 182. 
as Ancylidae, 37, 50, 55. Bartramia longicauda, 439. 
~ Ancylus sp., 36, 37, 50, 55. Bass, 386, 387. 
Anopheles, 23. Large-mouthed, 382. 
crucians, 30, 31. Rock, 382, 386. 
guttulatus, 30, 31, 32. Basswood, 309, 314. 
punctipennis, 31, 32. Beans, 138. 
_ Anthus rubescens, 446. Beech, 293, 297, 308, 304, 318, 314, 315, 
_ Antrostomus vociferus vociferus, 441. 316, 332, 336, 387, 339, 365. 
Apple orchards, 291. Blue 311, 312. 
‘rust, 307. -maple type of forest, 298, 343. 
Aquila chrysaetos, 440. Berries, 291. 
