121 



indicum 



Heterodera radicicola {Anguillula radici- 

 cola), I. 18; II. 139, 142*. 



— schachtii Schmidt, I. 285, 290; II. 139. 

 Hieracii [Aphis), I. 34. 



Hieracü {Aulax), I. 71, 132. 135. 139, 

 147, 149, 157, 159 ,161-172, 185, 214, 

 255, 260, 262, 266, 269. 272*. 273*. 



Hieracium, I. 46, 162, 164, 165, 167, 

 169, 170, 403. 



— boreale, I. 162. 



— lanatum, I. 162. 



— murorum, I. 34, 55, 71, 162, 164. 



— Pilosella, I. 34, 35, 55, 164. 



— rigidum, I. 55, 139, 161, 162, 164, 168. 

 169, 272*, 273*. 



— Sabaudum, I. 56, 162. 



— sylvaticum, I. 34, 55, 56. 



— sylvestre, I. 34. 



— umbellaium, I. 55, 71, 161, 162, 164, 

 168, 172. 



— vulgatum, I. 139, 149, 161, 162, 164, 

 172, 272*, 273*. 



hilarana (Conchylis), I. 63. 



Hippophae rhamnoides, I. 43, 370, 381. 



hollandiae (Lactococcus) , (Streptococcus 



hollandiae, Streptococcus hollandicus) , 



IV. 38, 55, 286, 288, 317, 318; V. 47. 



90, 235. 

 hollandiae (Photobacter), IV. 39, 45, see 



also: Photobacter hollandicum. 

 hollandiae {Streptococcus), IV. 38, see 



also: Lactococcus hollandiae. 

 hollandicum {Photobacter), {Photobacter 



hollandiae), IV. 39, 45; V. 199, 200. 

 hollandicus {Streptococcus), IV. 38; V. 



47, 90, see also: Lactococcus hollandiae. 

 Hopea. IV. 277. 

 Hordeum, I. 403. 



— aegyceras, I. 99. 



— cornutum, II. 189. 



— distichum, II. 189; III. 70. 



— distichum nudum, III. 64. 



— hexastichon, II. 189. 



— himalayense, I. 99. 



— intermedium, II. 189. 



— murinum, I. 364. 

 - — nudum, II. 189. 



— secalinum, I. 364. 



— spontaneum, VI. 81, 83. 



— trifurcatum, II. 189. 



— vulgare, II. 189. 



— vulgare himalayense, III. 64. 



— vulgare nudum, V. 276. 



— vulgare trifurcatum, I. 99. 



— Zeocriton, II. 189. 



Hormidium parietinum, III. 23, 24. 

 Hormomyia Fischeri, I. 391. 



— graminicola Kaltnb., I. 386, 390. 

 hortulensis {Bacillus), IV. 30. 

 humifica {Streptothrix) , II. 324; IV. 13. 

 humile {Apion), I. 63. 



Humulus lupulus, I. 120. 



Hungarica {Cynips), I. 147, 150, 158, 



182. 237; III. 227; IV. 137. 

 Hyacinthus, I. 104, 105, 107, UI. 



— orientalis, I. 123*. 



— pouzolsii, I. 105. 



Hydra, I. 197, 298, 303; II. 304, 305. 

 306, 309, 311, 319; V. 288. 



— viridis, 1. 297. 298, 305; II. 231-233, 

 276, 304, 307, 310, 312, 317, 320*; III. 

 21, 22; V. 288. 



Hydrangea japonica, I. 325. 

 hydrogenes {Bacterium), V. 230. 

 hydronectus {Nematus), I. 66. 

 hydrosulfureum {Bacterium), III. 106. 

 hydrosulf ureum ponticum {Bacterium), 



III. 124. 

 Hylesinus, I. 57. 



— piniperda, I. 57. 

 Hymenomycetes, I. 303. 

 Hymenoptera, I. 6, 30, 173, 267; VI. 49, 



51. 54. 

 Hyperici {Cecidomyia), I. 5, 52. 

 Hypericum, IV. 275. 



— humifusum, I. 52, 53. 



— perforatum, I. 52, 53. 

 Hyphomycetes, V. 147. 

 hypocrateriforme ^ephaloneon), I. 26, 39, 



42. 

 Hypoderma, I. 13. 



Iberis umbellata, II. 3. 



Icerya Purchasi, III. 162. 



Ichneumonidae, I. 136, 173. 267; II. 125. 



icteroides {Leptospird), VI. 16. 



Idaeus, I. 40; 



igniarius {Polyporus), I. 330. 



Impatiens grandiflora, I. 120. 



— parviflora, I. 120. 

 imperialis {Gracilaria), I. 55. 

 inclusa {Cecidomyia), I. 61. 

 incrassatus {Synergus), I. 137. 

 Incurvaria, I. 6. 



— tumorifica Am.. I. 58. 



indicum {Photobacter), {Bacillus indicus). 

 II. 166, 170, 171, 194-199*-206, 241. 

 242, 243, 245, 248, 249. 250, 251, 252, 



