121 



indicum 



Heterodera radicicola (Anguillula radici- 

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



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

 Hieracii (Aphis], I. 34. 



Hievacii (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. 



-umbellatum, 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. 



- vulgar e, 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, 111. 



- oriental! s, I. 123*. 



- pouzolsii, I. 105. 



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



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

 -viridis, I. 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 (Nernatus), I. 66. 

 hydrosulfitreum (Bacterium], III. 106. 

 hydrosulfureum 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 (Cephaloneon), I. 26, 39, 



42. 

 Hypoderma, I. 13. 



Iberis umbellata, II. 3. 



I eery a Purchasi, III. 162. 



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



icteroides (Leptospira), 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 indicns), 

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

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



