101 



A ndricus 



Agrostis canina, I. 18. 



— laxiflora, I. 386. 



— stolomfera, I. 392. 

 agrostis (Cecidomyia), I. 386. 

 Aüanthus glandulosa, I. 384. 

 Ajuga genevensis, I. 384. 



alba (Streptothrix), IV. 14, 15, 17, 304. 

 alba (Tetraneura), I. 36. 

 ulbipennis {Cecidomyia), I. 48. 

 albipes {Cynips), I. 147, 149, 156, 160, 



182, 185, 197, 199, 251; II. 134, see 



also: Spathegaster albipes. 

 albipes (Spathegaster), (Cynips albipes), I. 



7, 24, 70. 72, 78*, 147, 149, 155, 156. 



160. 182, 185, 197. 199, 251; II. 134. 

 albopunctata (Aphilothrix), I. 74, 147, 



150, 193, 228, 235, 237, 271. 

 Aleurodes, I. 41. 

 Algae, I. 11, 12, 324; II. 1, 293; III. 21- 



25, 38, 102, 158; IV. 47. 130. 175, 



184, 379; V. 15. 29, 61, 86, 134, 288. 

 Alisma plantago, I. 5. 

 alismae (Lasioptera) I. 5. 

 Alliaria, I. 382. 



— officinalis, I. 382. 



allii (Tylenchus), I. 284, 287, 289. 

 Allium cepa, I. 285. 

 Allopecurus, I. 401. 

 Alni (Psylla), I. 36. 

 Alnus, I. 3, 42; VI. 58. 



— glutinosa, I. 36, 42; IV. 16. 



— incana, I. 42. 



— pubescens, I. 42. 



— viridis, I. 42. 



Althaea officinalis, IV. 32. 

 Alucita dodecadactyla Zeil., I. 63. 

 Alucita grammatodactyla Zeil., I. 63. 

 Alyssi (Gymnetron), I. 62; II. 5. 

 Alyssum incanum, I. 45. 

 Amarantaceae, III. 152. 

 Amaryllidaceae, I. 103. 

 ambigua (Cynips), IV. 137. 

 amblycera (Cynips), I. 73, 237; IV. 137. 

 amenticola (Aphis), I. 32, 38. 

 amenticola (Teras), I. 19, 24, 155. 158. 

 Amoeba, III. 46, 158. 189, 192, 193-197; 



IV. 112, 113, 143; V. 119, 123, 139. 166, 



167, 183. 



— coli Loesch, III. 192. 



— nana, V. 184. 



— nitrophila, III. 189-192, 197*. 198*, 

 255; V. 184. 



— zymophila, III. 189, 192-197*, 198*, 

 255, 256. 



Amsonia salicifolia, III. 343. 



Amygdalaceae, I. 321, 322, 329, 330. 331, 



333. 335, 337, 341, 342, 343. 344. 345. 



347. 348. 353; IV. 12. 267. 270. 271. 



273. 275. 276, 311; V. 168, 169. 172. 



176. 

 amygdalearum Lév. (Clasterosporium), V. 



172. 

 amygdalearum Sacc. (Clasterosporium) , IV. 



267. 

 Amygdalus amygdalo-persica, I. 325; IV. 



268; V. 168. 



— communis, V. 168. 



— communis var. amygdalo-persica, V. 

 168. 



— persicoides, V. 168. 

 Amylobacter, V. 122, 231. 277; VI. 3. 



— butylicum, V. 277, see also : Granulo- 

 bacter butylicum. 



— pectinovorum, V. 277, see also : Granu- 

 lobacter pectinovorum. 



— saccharobutyricum,Y . 127. 242*. 277, see 

 also: Granulobacter saccharobutyricum. 



Amylobacter (Bacillus), II. 152, 209, 279; 



III. 66, 67. 90. 94. see also: Granulo- 

 bacter saccharobutyricum. 



Amylomyces rouxii, III. 343. 



Anabaena, II. 314; IV. 106. 107, 108. 



125, 126, 128, 326, 327, 328, 329, 331; 



V. 135. 229. 



— catenula, IV. 106, 118. 

 Anchusa officinalis, I. 55. 

 Andricus. III. 199, 215, 220. 



— autumnalis (Aphilothrix autumnalis) , 

 I. 134. 135. 141. 155, 157, 160, 161, 

 182. 193, 222. 



— burgundus Giraud, III. 201, 214, 215, 

 216, 217, 221, 222, 232*; IV, 136. 137, 

 138. 



— cerri, III. 199, 201, 202, 203, 213-217, 

 218, 220-225, 226, 231*, 232*; IV. 133, 

 134. 



— circulans Mayr. III. 199-231*. 232*; 



IV. 133. 134, 135, 136, 137, 138. 



— cirratus Adler, I. 155. 



— crispator, I. 7, 73; IV. 136. 



— cr.yptobius, III. 219. 



— curvator Hartig (Spathegaster curvator), 

 I. 7. 24, 69, 74. 80*, 138, 141, 147, 

 155, 156, 157, 161, 185, 196, 197, 

 199, 251, 263; III. 206. 



— cydoniae, I. 74. 



— gemmae, I. 11, 21, 29, 46, 74, 75*, 136. 

 140, 147, 161, 182. 185, 193, 222. 223. 

 247; III. 207. 



— gemmatus Adler, I. 155. 



