51 



discoideus, I, 66. 



haldemani, I, 65. 



neglectus, I, 64. 



paradoxus, I, -64. 



phoenicopterus, I, 66. 



rugfosus, I, 65. 

 Hippodamia, YI, 51*, 64*. 



convergens, III, 159*, VI, 52*, 53*. 

 larvEe, VI, 53*. 



glacialis, VI, 53*. 



maculata, VI, 51*, 52*. 

 hirudo, Ammocoetes, II, 70. 



Ichthyomyzon, I, 52, II, 70. 

 Hirundinidse, IV, 167, 177, VI, 11*, 



24*, 29*. 

 Hirundo, IV, 177. 



erythrogastra, IV, 177. 

 Hister americanus, VI, 28f , SOf. 



perplexus, VI, 28t, 30t. 

 HisteridfB, III, 92t, 104t, 116t, 125t, 



147t, VI, 12t, 22t, 24t. 

 Histrionicus, IV, 200. 



minutus, IV, 200. ' 

 Hog Fish, II, 39. 



-nosed Snake. V, 44. 



Sucker. II, 64. 

 holbolli, Podiceps, IV, 203. 

 Holbrook, V, 3. 

 holbrooki, Scaphiopus, V, 21. 

 Holly Berries, III, 144t. 

 Hollyhocks, I, 53. 

 Homalotheciuni, II, 23. 

 Homoptera, VI, 23t, 25t, 27t. 

 Hooded Sheldrake, IV, 201. 



Warbler, IV, 175. 

 Hoot Owl, IV, 187. 

 Hop, I, 58, II, 9. 

 Hopladelus, I, 50. 



olivaris, I, 50, II, 67. 

 hordei, Aphis, II, 5. 

 Hornbeam, I, 26. 



Horned Chub, I, 45, II, 62, VI, 89*. 

 Horn Snake, Red-billed, V, 32. 



Dace, I, 45, II, 62. 

 Grebe, IV, 203. 

 Lark, IV, 183. 

 Owl, Great,. IV, 187. 

 Western, IV, 187. 

 Hornwort, II, 77t. 

 Horny-head, II, 62. 

 horridus, Crotalus, V, 27. 



Horse radish, I, 57. 

 hortulana, Emberiza, IV, 197. 

 House Wren, IV, 173, VI, 8*, 22*, 23*. 

 hoyi, Argyrosomus, I, 44, II, 54. 

 Coregonus, II, 54. 

 Pontoporeia, I, 20. 

 Uranidea, I, 41, II, 50. 

 Hoy, Dr. P. R., IV, 205, 200, 207, V, 4. 

 Hoy's Bull-head, I, 41. 

 Garter Snake, V, 39. 



Red Fish, II, 59. 

 Hudsonian Curlew, IV, 196. 



Godwit, IV, 196. 

 hudsonias, Canthon, VI, 29t, SOf. 

 hudsonica. Pica, IV, 164, 183. 

 hudsonicus, Numenius, IV, 196. 



Parus, IV, 172. 

 hudsonius, Alburnops. II, 56. 



Catostomus, 1,48, II, 64. 



Circus, IV, 189. 



Hybopsis, I, 46, VI, 82*, 94*. 

 Hudson's Bay Chickadee, IV, 172. 

 humilis, Limnea, VI, 27f, 30t. 

 Humming-bird, Ruby-throated, IV, 184. 



-birds, IV, 184. 

 Humpback Pickerel, II, 53. 

 hamuli. Aphis, II, 9. 



Phorodon, II, 9. 

 Hutchins' Goose, IV, 199. 

 hutchinsi, Bernicla, IV, 199. 

 Huxley, Thos., V, 3. 

 Hyalella, I, 20. 



dentata, I, 5, 20. ' 

 Hyalina, VI, 27t, 30 

 hyalina, Daphnia, VI, 70t, 106t, 107t. 



Leptodora, II, 79t, 82t, 8St, HI, 

 69t. 

 Hybognathus, I, 45, II, 56, VI, 75*, 76. 



argyritis, I, 45, II, 56, 79*, 85*. 



nuchalis, 1, 45, II, 56, VI, 79*, 94*. 

 Hybopsis, I, 46, 11, 56, III, 58t, 60t, VI, 

 75*, 76*, 82. 



amarus, I, 46. 



fretensis, I, 47. 



hsematurus, I, 47, 



hudsonius, I, 46, VI, 82*, 94*. 



spectrunculus, II, 56. 



storerianus, I, 46. 



stramineus, I, 46, VI, 84*, 94*. 



tuditanus, I, 46. 



volucellus, I, 46. 



