424 



Index 



Hoatzin, (fig. 11), 45* 73 



anatomy of, 45, 46, 49* 

 breast bone, 47* 



appearance, 51,* 53 



beak of, 51, 52 



British Guiana, field notes in, 56-58 



coloration of, 52, 53 



crest of, 52 



cry of, 54 



ecology of, 45-66 



eggs of, 59, 60 



enemies of, 60 



feathers of, 56 



female, 55,* 57,* 61* 



flight of, 57 



food of, 58, 59 



geographic distribution of, 49-51 

 map, 49* 



habits of, 55, 57, 58 



haunts of, 53* 



history of, 46-48 



male, 57* 



Mallophaga from, 117-121 



nest and eggs of, 53,* 59, 60 



odor of, 62, 63 



parasites of, 117-121 



photographic studies of, 60, 61 



Venezuela, field notes in, 54 

 Holder, C. F and J. B. 



quoted on : 



Shark, whale, 363 

 Honialopsinae, 200, 202 



aquatic habits, 224 



food of, 224 

 Honey Creeper, 



Blue, 101, 102 



Turquoise, 102 



Two-colored, 102 



yellow-winged, 101 

 Hoorie Gold Mine, 125 

 Hornaday, W. T., 



quoted on : 



Hoatzin, distribution of, 50 

 Hositea (new genus), 134 

 Hositae gyncecia, (new species), 133,* 



135 

 Humboldt, Alexander von, 



quoted on : 



mammalia, geographic melanism of, 

 14 

 Humidity (see "Climate") 

 Hummingbird, 



black-eared, 86, 87 



rufous-breasted, 87 



Venezuelan Blue-collared, 86 

 Hybrids, 



Gennaeus, 320-323 

 Hydrias laudia, 131 . 



Hydrophiinae, 200, 202, 207 



food of, 226 

 Hylesia indurata, 



(Fig. 41, No. 1), 125,* 125 

 Hylocichla mustalena, 



melanism, experiments in, 18, 19, 21* 

 Hylotes underwoodi, 328 

 Hymenoptera, 71 



I 



Ibis, 



scarlet, 13, 67,* 70 



plumage of, 76, 77 

 white, 13 

 bill, 242, 245 



breeding habits, 241, 242 

 development and annual changes, 



242-248 

 eggs of, 241 

 feeding, 241, 242 



head and neck when hatched, 243 

 nest of, 241 



nestling, plumage of, 242, 243 

 ontogeny of, 241-248 

 plumage of chick (fig. 97), 241,* 



242, 243 

 plumage, coloration of, 246-248 

 plumage, juvenile, (fig. 97), 241,* 



244 

 plumages of, (fig. 97), 241* 

 Ibycter ater, 79, 80 

 Icteridae, 

 distribution, 



Orinoco and New York, 111 

 Icteridae, 104-109 

 Icterus chrysocephalus, 109 

 Icterus icterus, 107 

 Ihering, Hermann von, 

 quoted on : 

 Hoatzin, distribution of, 50 

 mice bioto (new species), (fig. 41, 



No. 5), 125,* 127 

 mice minuta, 127, 128 

 Incarcha (new genus), 135, 136 

 Incarcha aporalis (new species), 133, 



136 

 Indian Rat Snake, (fig. 80), 203*, 218 

 Indigestion, 



primates affected with, 182, 183 

 Indigo Snake, (fig. 90), 220 

 Insect, 

 parasites, 



mallophaga on Hoatzin, 53, 54 

 coloration, factors in, 6, 7, 8 

 moths, 



coloration of, 33 

 South American species (new), 117- 

 138 



